em78p164n ELAN Microelectronics Corp, em78p164n Datasheet
em78p164n
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em78p164n Summary of contents
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... EM78P164N 8-Bit Microcontroller with OTP ROM Specification ELAN MICROELECTRONICS CORP. Product ERSION May 2010 1.4 ...
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... Trademark Acknowledgments: IBM is a registered trademark and PS trademark of IBM. Windows is a trademark of Microsoft Corporation. ELAN and ELAN logo © 2008~2010 by ELAN Microelectronics Corporation Copyright All Rights Reserved Printed in Taiwan The contents of this specification are subject to change without further notice. ELAN Microelectronics assumes no responsibility concerning the accuracy, adequacy, or completeness of this specification ...
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... Contents 1 General Description .................................................................................................. 1 2 Features ..................................................................................................................... 1 3 Pin Assignment ......................................................................................................... 2 4 Pin Description.......................................................................................................... 3 EM78P164N − 16 pin ......................................................................................... 3 4.1 EM78P164N − 14 pin ......................................................................................... 4 4.2 5 Functional Description ............................................................................................. 5 5.1 Operational Registers......................................................................................... 6 5.1.1 R0 (Indirect Addressing Register) ....................................................................... 6 5.1.2 R1 (Timer Clock/Counter) ................................................................................... 6 5.1.3 R2 (Program Counter) and Stack........................................................................ 6 5.1.4 R3 (Status Register) ............................................................................................ 8 5.1.5 R4 (RAM Select Register)................................................................................... 8 5 ...
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Contents 5.3 TCC/WDT and Prescaler.................................................................................. 19 5.4 I/O Ports ........................................................................................................... 20 5.5 Reset and Wake-up.......................................................................................... 23 5.5.1 Reset .................................................................................................................23 5.5.2 Wake-up and Interrupt Modes Operation Summary .........................................25 5.5.3 /RESET Configuration .......................................................................................31 5.5.4 Status of RST, T, and P of the ...
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Electrical Characteristics ....................................................................................... 51 7.1 DC Electrical Characteristics............................................................................ 51 7.2 Comparator Characteristics.............................................................................. 53 7.3 AC Electrical Characteristics ............................................................................ 54 8 Timing Diagram ....................................................................................................... 55 A Package Type........................................................................................................... 56 B Package Information............................................................................................... 57 C Quality Assurance and Reliability ......................................................................... 61 ...
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Contents Doc. Version 1.0 Initial version Added description of RC Bit 7 1.1 Modified the DC electrical characteristics 1.2 1.3 Modified the operation voltage range Corrected the package type name 1.4 vi • Specification Revision History Revision Description Date 2008/08/11 ...
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... Several code option bits are available to meet user’s requirements. With its enhanced OTP-ROM feature, the EM78P164N provides a convenient way of developing and verifying user’s programs. Moreover, this OTP device offers the advantages of easy and effective program updates, using development and programming tools ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 3 Pin Assignment Figure 3-1 EM78P164ND16/SO16 2 • Figure 3-2 EM78P164ND14/SO14 Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) ...
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... Pin Description 4.1 EM78P164N − 16 pin Symbol Pin No. Type P50~P55 P60~P67 INT PWM /RST CINA- CINB- CINC- CIND- CIN1+ CO TCC OSCI OSCO VDD VSS Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) 6-bit general purpose input/output pins. Default value at power-on reset. ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 4.2 EM78P164N − 14 pin Symbol Pin No. P50~P53 12~ P60~P67 5~7, 8~10 INT PWM /RST CINA- CINB- CINC- CIND- CIN1+ CO TCC OSCI OSCO VDD VSS 4 • Type 4-bit general purpose input/output pins. 1, I/O Default value at power-on reset. Can be pulled-down by software control. ...
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... Oscillation 5-level Generation stack (13 bit) Mux R4 RAM Interrupt R3 (Status control Reg.) register Interrupt circuit Ext INT Figure 5-1 Functional Block Diagram EM78P164N 8-Bit Microcontroller with OTP ROM Int. Ext WDT PWM (Timer) Reset TCC LVR Comparator (CO) Cin+, CinA-~CinD-, CO PWM TCC ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 5.1 Operational Registers 5.1.1 R0 (Indirect Addressing Register not a physically implemented register used as an indirect addressing pointer. Any instruction using pointer actually accesses data pointed by the RAM Select Register (R4). 5.1.2 R1 (Timer Clock/Counter) Incremented by an external signal edge, through the TCC pin the instruction cycle clock ...
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... R0 R1 (TCC) R2 (PC) R3 (Status) R4 (RSR) R5 (Port 5) R6 (Port 6) General Registers EM78P164N 8-Bit Microcontroller with OTP ROM IOC PAGE Registers CONT (Control Register) IOC5 (I/O Port Control Register) IOC6 (I/O Port Control Register) IOC7 (TMRH: PWM timer) IOC8 (TIMEL: PWM timer) IOC9 (PRDL: PWM period) ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 5.1.4 R3 (Status Register) Bit 7 RST Bit 7 (RST): Bit for reset type (read only) Bits (GP1 ~ 0): General purpose read/write bits. Bit 4 (T): Time-out bit Bit 3 (P): Power down bit. Bit 2 (Z): Zero flag. Bit 1 (DC): Auxiliary carry flag Bit 0 (C): Carry flag 5 ...
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... PWM is off (default value), and its related pin carries out the P61 function. 1: PWM is on, and its related pin is automatically set to output. NOTE The P61/PWM/Cin+ pin priority is as follows: P61/CO/PWM Priority High Medium Cin+ PWM EM78P164N 8-Bit Microcontroller with OTP ROM Bit 3 Bit 2 Bit 1 P63 P62 P61 Bit 3 Bit 2 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Bits (TP2 ~ TP0): TMR clock prescaler bits TP2 5.1.12 RB (CMPCON I : Comparator Control Register I) Bit 7 ACOS1 ACOS0 Bits (XCOS1 ~ XCOS0): Comparator Select bits XCOS1 For Cin+ and Cin- definition, refer to RC control register. ...
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... P50/CinD- is set as CinD- pin NOTE The P62/TCC/CinA- Pin Priority is as follows: P62/TCC/CinA- Priority High Medium CinA- TCC Bit 6 Bit 5 Bit 4 IDLE 0 EM78P164N 8-Bit Microcontroller with OTP ROM Voltage Level (V) 0.1VDD 0.15VDD 0.2VDD 0.3VDD 0.4VDD 0.45VDD 0.5VDD 0.6VDD Low P62 Bit 3 Bit 2 ...
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... Disable Port 6 input change to wake-up status 1: Enable Port 6 input change wake-up status When the Port 6 Input Status Change is used to enter an interrupt vector or to wake-up the EM78P164N from sleep mode, the ICWE bit must be set to “Enable“. (This specification is subject to change without further notice) ...
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... Bit 5 Bit 4 INT interrupt occurs at a rising edge of the INT pin 1: interrupt occurs at a falling edge of the INT pin 0: masked by DISI or hardware interrupt 1: enabled by ENI/RETI instructions EM78P164N 8-Bit Microcontroller with OTP ROM Bit 3 Bit 2 Bit 1 CMPIF EXIF ICIF Bit 3 Bit 2 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Bit 5 (TS): TCC signal source Bit 4 (TE): TCC signal edge Bit 3 (PSTE): Prescaler enable bit for TCC Bits (PST2 ~ PST0): TCC prescaler bits PST2 5.2.3 IOC5 (I/O Port Control Register) Bit 7 - Bits (unused): unused bits Bits (IOC55 ~ IOC50): I/O direction control register 14 • ...
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... Bit 4 0 TMR[9] TMR[8] Bit 6 Bit 5 Bit 4 TMR[5] TMR[4] Bit 6 Bit 5 Bit 4 PRD[5] PRD[4] . Bit 6 Bit 5 Bit 4 DT[5] DT[4] EM78P164N 8-Bit Microcontroller with OTP ROM Bit 3 Bit 2 Bit 1 IOC63 IOC62 IOC61 Bit 3 Bit 2 Bit 1 PRD[9] PRD[8] DT[9] Bit 3 Bit 2 Bit 1 TMR[3] TMR[2] TMR[1] Bit 3 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 5.2.9 IOCB (Pull-down Control Register) Bit 7 0 /PD62 Bit 7 (unused): Unused bit, set to 0 all the time Bit 6 (/PD62): Control bit used to enable pull-down of P62 pin. Bit 5 (/PD61): Control bit used to enable pull-down of the P61 pin. ...
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... In this case, the I/O control bit of P60 (Bit 0 of IOC6) must be set to "1" NOTE 0: prescaler disable bit. WDT rate is 1:1 1: prescaler enable bit. WDT rate is set at Bit 4~Bit 2 EM78P164N 8-Bit Microcontroller with OTP ROM Bit 3 Bit 2 Bit 1 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Bits (PSW2 ~ PSW0): WDT prescaler bits. PSW2 Bits unused bits, set to 0 all the time 5.2.13 IOCF (Interrupt Mask Register) Bit 7 0 Bits Unused bits, set to 0 all the time. ...
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... Microcontroller with OTP ROM 0 8-Bit Counter (IOCC1) MUX MUX Prescaler TS (CONT) PSR2~0 (CONT) 8-Bit Counter Prescaler MUX PSW2~0 WDT Time out (IOCE0) Figure 5-4 TCC and WDT Block Diagram EM78P164N 1 Data Bus SYNC TCC (R1) 2 cycles TCC overflow interrupt • 19 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 5.4 I/O Ports The I/O registers, both Port 5 and Port 6, are bidirectional tri-state I/O ports. Port 6 can be pulled-high internally by software except P63. In addition, Port 6 can also have open-drain output by software except P63. Input status changed interrupt (or wake-up) function is available from Port 6. P53 ~ P50 and P62 ~ P60 pins can be pulled-down by software. Each I/O pin can be defined as " ...
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... CLK PCW PDW R _ CLK PDRD CLK EM78P164N IOD TIN • 21 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM P60 P61 P62 P63 P64 P65 P66 P67 /SLEP Figure 5-8 Block Diagram of I/O Port 6 with input Change Interrupt/Wake-up Table 5-1 Usage of Port 6 Input Change Wake-up/Interrupt Function (I) Wake-up from Port 6 Input Status Change (a) Before Sleep 1. Disable WDT 2. Read I/O Port 6 (MOV R6,R6) 3. Execute " ...
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... WDT time-out (if enabled), or (3) Port 6 input status changes (if enabled). The first two cases will cause the EM78P164N to reset. The T and P flags of R3 can be used to determine the source of the reset (wake-up). The last case is considered a continuation of program execution and the global interrupt ("ENI" or "DISI" being executed) determines whether or not the controller branches to the interrupt vector following a wake-up ...
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... WDT is enabled before SLEP, Port 6 Input Status Change Interrupt must be disabled. Hence, the EM78P164N can be awakened only by Case Refer to the section on Interrupt. If Port 6 Input Status Changed Interrupt is used to wake-up the EM78P164N (Case [a] above), the following instructions must be executed before SLEP: MOV ...
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... Wake-up + interrupt (if interrupt is × enabled) + next instruction RESET RESET RESET RESET EM78P164N 8-Bit Microcontroller with OTP ROM Green Mode Normal Mode Interrupt Interrupt (if interrupt is (if interrupt is enabled) enabled) or next or next instruction instruction Interrupt Interrupt (if interrupt is ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Signal TCC Overflow RE (ICWE) Bit IOCF0 (ICIE) Bit Oscillator, TCC and TIMERX are stopped. Port 6 input status change wake up is invalid. RE (ICWE) Bit IOCF0 (ICIE) Bit Set RF (ICIF Oscillator, TCC and TIMERX are stopped. ...
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... INTE INT EM78P164N Bit 3 Bit 2 Bit 1 Bit 0 C53 C52 C51 C50 C63 C62 C61 C60 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Address Name Reset Type Bit Name Power-on × (TCC) /RESET and WDT Wake-up from Pin Change Bit Name Power-on × (PC) /RESET and WDT Wake-up from Pin Change Bit Name Power-on × ...
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... TMR[7] TMR[6] TMR[5] TMR[4] TMR[3] TMR[2] TMR[1] TMR[ PRD[7] PRD[6] PRD[5] PRD[4] PRD[3] PRD[2] PRD[1] PRD[ EM78P164N Bit 3 Bit 2 Bit 1 Bit 0 CRCS1 CRCS0 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Address Name Reset Type Bit Name Power-on IOCA N/A /RESET and WDT (DTL) Wake-up from Pin Change Bit Name Power-on N/A IOCB /RESET and WDT Wake-up from Pin Change Bit Name Power-on N/A IOCC /RESET and WDT Wake-up from Pin ...
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... Table 5-4 Status of RST, T and P being Affected by Events Power on WDTC instruction WDT time-out SLEP instruction Wake- pin change during Sleep mode Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) 8-Bit Microcontroller with OTP ROM Reset Type Event EM78P164N RST ...
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... R6, R6") is necessary. Each pin of Port 6 will have this feature if its status changes. Any pin configured as output or P60 pin configured as /INT, is excluded from this function. The Port 6 Input Status Changed Interrupt can wake up the EM78P164N from sleep mode if Port 6 is enabled prior to going into sleep mode by executing SLEP instruction ...
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... If another interrupt occurs, the ACC, R3, and R4 will be replaced by the new interrupt. After the interrupt service routine is completed, the ACC, R3, and R4 registers are restored. Interrupt sources ENI/DISI In EM78P164N, each individual interrupt source has its own interrupt vector as depicted in the table below. Interrupt Vector 003H 006H ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM VCC D /IRQn RF /RESET 5.7 PWM (Pulse Width Modulation) 5.7.1 Overview In PWM mode, PWM pins produce 10-bit resolution PWM output (see the functional block diagram below). A PWM output consists of a time period and a duty cycle, and it keeps the output high. The baud rate of the PWM is the inverse of the time period ...
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... The PWM output will not be set, if the duty cycle is 0 ⎛ ⎞ ⎜ ⎜ ⎟ ⎟ × PRDX 1 ⎝ ⎠ F OSC Fosc = 4 MHz; TMRX ( ⎛ × ⎜ Period 49 1 ⎝ EM78P164N ( ) × TMRX prescale value ⎞ × = ⎟ μ ⎠ • 35 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 5.7.4 PWM Duty Cycle (DTX: TMRH/DTL) The PWM duty cycle is defined by writing to the DTX register, and is latched from DTX to DLX while TMRX is cleared. When DLX is equal to TMRX, the PWMX pin is cleared. DTX can be loaded anytime. However, it cannot be latched into DLX until the current value of DLX is equal to TMRX ...
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... Load a desired TMR prescaler value to PWMCON, enable TMR and disable PWM Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) 8-Bit Microcontroller with OTP ROM Figure 5-14 TMRX Block Diagram Bit 7 Bit 6 Bit 5 Bit 4 COS0 PWME EM78P164N Bit 3 Bit 2 Bit 1 Bit 0 TEN TP2 TP1 TP0 • 37 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 5.9 Comparator The EM78P164N has one comparator comprising of five analog inputs and one output. The comparator can be utilized to wake up the EM78P164N from sleep mode. The comparator circuit diagram is depicted in the figure below. CinA-/P62 CinB-/P66 ...
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... Microcontroller with OTP ROM NOTE P60/INT/CO Priority High Medium CO INT Figure 5-16 Comparator Output Configuration EM78P164N Low P60 I • 39 ...
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... Oscillator 5.10.1 Oscillator Modes The EM78P164N can be operated in four different oscillator modes, such as High Crystal oscillator mode (HXT), Low Crystal oscillator mode (LXT), External RC oscillator mode (ERC), and RC oscillator mode with Internal RC oscillator mode (IRC). One of the four modes can be selected by programming the OSC3, OSC2, OCS1, and OSC0 in the Code Option register ...
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... Crystal Oscillator/Ceramic Resonators (Crystal) The EM78P164N can be driven by an external clock signal through the OSCO pin as illustrated below. In most applications, Pin OSCI and Pin OSCO can be connected with a crystal or ceramic resonator to generate oscillation. Figure 5-18 depicts such a circuit. The same applies to the HXT mode and the LXT mode. ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Capacitor selection guide for crystal oscillator or ceramic resonators: Oscillator Type Ceramic Resonators Crystal Oscillator 5.10.3 External RC Oscillator Mode For some applications that do not require precise timing calculation, the RC oscillator (Figure 5-19) offers an effective cost savings. Nevertheless, it should be ...
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... The frequency drift is ± 30% : 5.10.4 Internal RC Oscillator Mode The EM78P164N offers a versatile internal RC mode with default frequency value of 4 MHz. Internal RC oscillator mode has other frequencies (16 MHz, 8 MHz, and 455kHz) that can be set by Code Option (Word 1), RCM1, and RCM0. The Table below describes the EM78P164N internal RC drift with voltage, temperature, and process variations. Internal RC Drift Rate (Ta=25° ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 5.11.1 External Power-on Reset Circuit The circuits shown in the figure implement an external RC to produce a reset pulse. The pulse width (time constant) should be kept long enough to allow Vdd to reach the minimum operating voltage. This circuit is used when the power supply has a slow power rise time ...
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... Code Option Register The EM78P164N has Code Option words that are not part of the normal program memory. The option bits cannot be accessed during normal program execution. Code Option Register and Customer ID Register arrangement distribution: Word 0 Bit 12~Bit 0 5.12.1 Code Option Register (Word 0) ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Bits (LVR1 ~ LVR0): Low Voltage Reset enable bits LVR1, LVR0 Bit 6 (RESET): Reset pin delete glitch function Bit 5 (ENWDT): Watchdog timer enable bit. This bit must enable the WDTE reg. (IOCE reg). Bit 7 must be disabled when Port 6 pin change wake-up function is used ...
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... Bit 7 Bit 6 1 RESETEN EFT_SEL SUT0 - P63 Long 18ms - /RST Short 4.5ms 0: disable 1: enable 0: P63//RST set to /RST pin 1: P63//RST set to P63 pin EM78P164N 8-Bit Microcontroller with OTP ROM OSC3 OSC2 OSC1 OSC0 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Bit 7 (EFT_SEL): EFT hold time selection Bit 6 (SUT0): set up time select bit Bit 5 ~ Bit 0: unused bit, set to 1 all the time 5.13 Instruction Set Each instruction in the instruction set is a 13-bit word divided into an OP code and one or more operands ...
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... AND R,A A ⊕ R → A 03rr XOR A,R A ⊕ R → R 03rr XOR R → A 03rr ADD A → R 03rr ADD R,A R → A 04rr MOV A,R R → R 04rr MOV R,R EM78P164N Status Affected None C None None None None None None None 1 None None ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Binary Instruction 0 0100 10rr rrrr 0 0100 11rr rrrr 0 0101 00rr rrrr 0 0101 01rr rrrr 0 0101 10rr rrrr 0 0101 11rr rrrr 0 0110 00rr rrrr 0 0110 01rr rrrr 0 0110 10rr rrrr 0 0110 11rr rrrr 0 0111 00rr rrrr ...
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... TCC (Schmitt trigger) /RESET, TCC (Schmitt trigger) /RESET, TCC (Schmitt trigger) VOH = 0.9VDD VOL = 0.1VDD Pull-high active, input pin at VSS Pull-low active, input pin at Vdd EM78P164N 8-Bit Microcontroller with OTP ROM Rating to 85°C to 150°C to +6.0V to +6.0V to 5.5V to ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM Symbol Parameter ISB1 Power down current ISB2 Power down current Operating supply current ICC1 at two clocks Operating supply current ICC2 at two clocks Operating supply current ICC3 at two clocks Operating supply current ICC4 at two clocks Internal RC Electrical Characteristics (Ta=25 ° C, VDD=5 V, VSS=0V) ...
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... Vdd=5V − Vdd=5V 2.4+0.2 − Vdd=5V 3.3+0.2 − Vdd=5V 4.0+0.2 Condition Min. Typ. – 0.1 0.2 RL=5.1K (Note 1) Vdd =5.0V, − 0.2 Vd =5.0V 0.0V, SS 4.7 4.8 RL=10KΩ – – 300 – 2.5 – EM78P164N Max.** Unit − V 2.6+0.2 V 3.5+0.2 V 4.2+0.2 V Max. Unit – V/ 4 – µA 5.5 V • 53 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 7.3 AC Electrical Characteristics Ta=-40 ° ° C, VDD=5V±5%, VSS=0V Symbol Parameter Dclk Input CLK duty cycle Instruction cycle time Tins (CLKS="0") Ttcc TCC input period Tdrh Device reset hold time Trst /RESET pulse width ...
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... RESET Timing (CLK="0") CLK /RESET TCC Input Timing (CLKS="0") CLK TCC Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) 0.7VDD 0.7VDD TEST POINTS 0.3VDD 0.3VDD NOP Tdrh Tins Ttcc EM78P164N 8-Bit Microcontroller with OTP ROM Instruction 1 Executed • 55 ...
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... Microcontroller with OTP ROM A Package Type OTP MCU EM78P164ND14J EM78P164NSO14AJ EM78P164ND16J EM78P164NSO16AJ These are Green products which do not contain hazardous substances and comply with the third edition of Sony SS-00259 standard. Pb content is less than 100ppm and complies with Sony specifications. Part No. Electroplate type Ingredient (%) Melting point ( ° ...
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... B Package Information 14-Lead Plastic Dual in line (PDIP) — 300 mil Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) EM78P164N 8-Bit Microcontroller with OTP ROM • 57 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 14-Lead Plastic Small Outline (SOP) — 150 mil 58 • Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) ...
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... Plastic Dual in line (PDIP) — 300 mil Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) EM78P164N 8-Bit Microcontroller with OTP ROM • 59 ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 16- Lead Plastic Small Outline (SOP) — 150 mil 60 • Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) ...
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... Pkg volume ≤ 350mm ----240±5°C) ∣ ∣ ± 300V ∣ ∣ EM78P164N 8-Bit Microcontroller with OTP ROM Remarks – For SMD IC (such as SOP, QFP, SOJ, etc) – – – – – ...
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... EM78P164N 8-Bit Microcontroller with OTP ROM 62 • Product Specification (V1.4) 05.28.2010 (This specification is subject to change without further notice) ...