EM78P468NBQ EMC [ELAN Microelectronics Corp], EM78P468NBQ Datasheet

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EM78P468N Microcontroller Specification 8-BIT Product D OC ELAN MICROELECTRONICS CORP 1.2 ERSION March 2005 ...

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Trademark Acknowledgments: IBM is a registered trademark and PS trademark of IBM. Windows is a trademark of Microsoft Corporation. E LAN and ELAN logo © 2005 by E LAN Microelectronics Corporation Copyright All Rights Reserved P rinted in ...

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Contents 1 GENERAL DESCRIPTION··················································································· FEATURES ·········································································································· 1 2.1 CPU ········································································································································1 2.2 LCD Circuit······························································································································2 2.3 Applications·····························································································································2 3 PIN ASSIGNMENTS····························································································· 3 3.1 QFP - 64 ·································································································································3 3.2 LQFP - 64 ·······························································································································4 LQFP - 44 ·······························································································································5 3.3 3.4 QFP - 44 ...

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Contents Version 1.0 Initial version 1.1 1. Add DC curve vs. Temperature. 2. Remove LVD function 1.2 1. Add LQFP Package iv • Specification Revision History Revision Description Product Specification (V1.2) 03.15.2005 Date 2004/04/10 2004/12/09 2005/03/15 ...

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GENERAL DESCRIPTION This LSI is an 8-bit RISC type microprocessor with high speed CMOS technology and low power consumption. Integrated onto a single chip are on chip watchdog timer (WDT), Data RAM, ROM, programmable real time clock counter, internal/external ...

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... External interrupt source : INT0, INT1 and Pin change wake-up (Port 6 and Port 8) Packages: Dice form : 59 pin QFP-64 pin : EM78P468NQ (Body 14mm*20mm) LQFP-64 pin : EM78P468NAQ (Body 7mm*7mm) LQFP-44 pin : EM78P468NBQ (Body 10mm*10mm) QFP-44 pin : EM78P468NCQ (Body 10mm*10mm) 2.2 LCD Circuit Common driver pins: 4 Segment driver pins: 32 LCD Bias: 1/3, 1/2 bias LCD Duty: 1/4, 1/3, 1/2 duty 2 ...

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PIN ASSIGNMENTS 3.1 QFP - SEG28/P8.4 52 SEG27/P8.3 53 SEG26/P8.2 54 SEG25/P8.1 55 SEG24/P8.0 56 SEG23/P7.7 57 SEG22/P7.6 58 SEG21/P7.5 59 SEG20/P7.4 60 SEG19/P7.3 61 SEG18/P7.2 62 SEG17/P7.1 63 SEG16/P7 ...

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EM78P468N 8-BIT Microcontroller 3.2 LQFP - SEG28/P8.6 50 SEG28/P8.5 51 SEG28/P8.4 52 SEG27/P8.3 53 SEG26/P8.2 54 SEG25/P8.1 55 SEG24/P8.0 56 SEG23/P7.7 57 SEG22/P7.6 58 SEG21/P7.5 59 SEG20/P7.4 60 SEG19/P7.3 61 SEG18/P7.2 62 SEG17/P7.1 63 SEG16/P7.0 ...

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... LCD Output Pin Fig. 1-(c) Pins Configuration for 44 Pin LQFP Package Product Specification (V1.2) 03.15.2005 (This specification is subject to change without further notice EM78P468NBQ LQFP- EM78P468N 8-BIT Microcontroller P5.5/INT1 21 P5 ...

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EM78P468N 8-BIT Microcontroller 3.4 QFP - 44 SEG27/P8.3 34 SEG26/P8.2 35 SEG25/P8.1 36 SEG24/P8.0 37 SEG23/P7.7 38 SEG22/P7.6 39 SEG21/P7.5 40 SEG20/P7.4 41 SEG19/P7.3 42 SEG18/P7.2 43 SEG17/P7.1 44 Input Pin Output Pin Input/Output Pin Digital I/O Pin/LCD Output Pin ...

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Table 1 (a) Pin Description for Package of QFP64 and LQFP64 PIN number PIN VDD 29 GND 26 R-OSCI 27 OSCO 28 Xin 30 Xout 31 /RESET 25 P5.4/INT0 32 P5.5/INT1 33 P5.6/TCC 34 P5.7/IROUT 37 P6.0 ~ 38~45 P6.7 ...

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EM78P468N 8-BIT Microcontroller Table 1 (b) Pin Description for Package of QFP44 and LQFP44 PIN PIN number VDD 18 GND 15 R-OSCI 16 OSCO 17 Xin 19 Xout 20 /RESET 14 P5.4/INT0 21 P5.5/INT1 22 P5.6/TCC 23 P5.7/IROUT 24 P6.0 ...

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FUNCTION DESCRIPTION CPU Timing Control ROM Oscillator PLL/Crystal/RC Oscillator Timing Control R1 (TCC) Control w ake- port 128 byte Data RA M Common driver Product Specification (V1.2) 03.15.2005 (This specification is subject to change without further ...

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EM78P468N 8-BIT Microcontroller 4.1 Op erational Registers 4.1 .1 R0/IAR (Indirect Addressing Register) (Addr ess: 00h not a physically implemented register used as indirect addressing pointer. Any instruction using R0 as register actually accesses t Register ...

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PAGE0 0 000~ 03FF 01 PAGE1 0400~07FF 10 PAGE2 0800~0BFF 11 PAGE3 0C00~0FFF ADDRESS 0 0 IAR (Indirect Addressing Register TCC (Time C lock Counter (Program Counter (Status ...

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EM78P468N 8-BIT Microcontroller 4.1.4 R3/SR (Status Register) (Address: 03h) Bit 7 -- Not used Bit 7 : Bit ( PS1 PS0~PS1 are used to select a ROM page. User ...

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Bits (RSR5 ~ RSR0) : are used to select indire ct addressing mode. 8- bit gen eral purpo 4.1.6 R 5/PO (Address: 05h) Bit 7 Bit 6 R57 Bit 7~4 : 4-bits I/O registers ...

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EM78P468N 8-BIT Microcontroller 4.1 .10 R9/LCDCR (LCD Control Registe (Address: 09h) Bit 7 Bit 6 BS DS1 LCD bias Bit “0”: “1”: 1/3 bias Bit (DS1 ~ DS DS1 ...

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Bit 4~0 (LCDA4 ~ LCDA0): LCD RAM address RA (LCD address) Bit 7 ~4 00H 01H 02H | 1DH 1EH 1FH Common 4.1.12 RB/LC _DB (L ( Addre Bit 7 -- Bit Not used Bit 3~0 ...

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EM78P468N 8-BIT Microcontroller CNT1EN = “1” : Enable Counter 1. Count operation start. 4.1.14 RD/SBPCR (System, Booster and PLL Control Register) (Address: 0Dh) Bit 7 -- CLK2 Bit 7: Not used Bit (CLK2 ~ CLK0): main clock ...

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CPU Operation Mode it must delay a little times for the main oscillation stable w hile your system timing control is conscienti ous IDLE="0" SLEEP M ode SLEP Fm:stop Fs: stop Wake up CPU: stop The w ake up tim ...

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EM78P468N 8-BIT Microcontroller Bit 4 : Not used Bit 3 (IROUTE) : Define the function of P5.7/IROUT pin. IROUTE = “0” : for bi-directional general I/O pin. IROUTE = “1” : for IR or PWM output pin, the contro must ...

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Sp ecial Purpose Registers 4.2.1 A (Accumulator) Internal data transfer, or instruction operand holding This is not an addressable register. Regis ters 4.2.2 IOC 0/P5CR (PORT 5 Control Register) (Address: 05h, Bit ...

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EM78P468N 8-BIT Microcontroller Bit 7 (IOC67)~Bit 0(IOC60): PORT 6 I/O direction control register IOC6x =”0”: set the relative PORT6.x I/O pins as output IOC6x =”1”: set the relative PORT6.x I/O pin into high imp 4.2.4 IO C70 (A ddr ess: ...

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The pre-scaler is s interru ption, it will auto reload the preset value. 4.2.9 IOCC0/CNT2PR (Cou (A dd ress Bit 0”) Bit Bit 0: ...

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EM78P468N 8-BIT Microcontroller 4.2 .12 IOCF0/IMR (Interrup (Address: 0Fh, Bit “0”) Bit 7 ICIE LPWTE Bit 7~Bit 0: interrupt enable bit. Enable interrupt source respectively. 0: disable interrupt 1: enable interrupt IOCF0 register is readable and ...

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I NT_EDGE ): I NT enable flag, this bit is read only Bit 6 (INT 0”: interrupt mask INT = ” 1”: interrupt enabl INT = “ signal source Bit 5 (TS “0”: internal instruct ...

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EM78P468N 8-BIT Microcontroller Bit (WDTP2 ~ WDTP0): watchdog timer pre-scaler bits. The WDT source sub-o scillation frequ WDTP2 4.2.16 IOC91/CNT12CR (Address: 09h, Bit 7 CNT2S CNT2P2 CN S): Counter ...

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IOCA1/HLPWTCR (High/Low Pulse Width Timer Contr Register) (A ddr ess: Bit 7 LPWTS LPWTP2 LPWTP1 LPWTP0 HPWTS HPWTP2 HPWTP1 HPWTP0 (LPWTS): low-pulse width timer clock source select 0/1 -> Fs/ F Bit 7 (*Fs: sub-oscillator clock, Fm: main-oscillator clock) ...

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EM78P468N 8-BIT Microcontroller 4.2.19 IOCC1/P6OD (PORT 6 Open Drain Control Register) (Address: 0Ch, Bit “1”) Bit 7 OP67 OP66 Bit 7 ~ Bit 0: The enable bits of PORT 6 open drain function. OD6x = “0”: ...

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Idle mode operation, a WDT time-out (if enabled) will cause the device to reset. The WDT can be enabled or disabled at any time during the Normal mode and Green mode by software programming. Refer to WDTE bit of IOC81 ...

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EM78P468N 8-BIT Microcontroller WDT setting flowchart Enable WDT function : set bit 7 of Code option Word 0 to "0" TCC setting flowchart from External Input External/ instruction cycle *set clock source from external TCC pin (set bit 4 of ...

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I/O Ports The I/O registers, (PORT 5, PORT 6, PORT 7and PORT 8), are bi-directional tri-state I/O ports. PORT 6 and PORT 8 pulled-low int through software. PORT 6 and wa ke -up) function and is pull or "output" ...

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EM78P468N 8-BIT Microcontroller 4.5 RESET and Wake-up A reset POR (Power On WDT timeout. (if enabled) /RESET pin go to low. Note : The power on r Once re set occurs The oscillator is The program ...

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T able 2 Sum Address Name R eset Type Bit Name Power-On IOC50 0x05 /RESET and WDT (P5CR) Wake-Up from Pin Change Bit Name Power-On IOC60 0x06 /RESET and WDT (P6CR) Wake-Up from Pin Change Bit Name Power-On IOC70 0x07 ...

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EM78P468N 8-BIT Microcontroller Address Name Reset Type Bit Name Power-On IOC81 0x08 /RESET and WDT (WDTCR) Wake-Up from Pin Change Bit Name Power-On IOC91 0x09 /RESET and WDT (CNT12CR) W ake-Up from Pin Change Bit Name Power-On IOCA1 0x0A /RESET ...

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Address Name Reset Type Bit Name Power-On R6 0x06 /RESET and WDT (PORT 6) Wake-Up from Pin Chan Bit Name Power-On R7 0x7 /RESET and WDT (PORT7) Wake-Up from Pin Change Bit Name Power-On R8 0x8 /RESET and WDT (PORT8) ...

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EM78P468N 8-BIT Microcontroller The controller are listed as f Wakeup signal T CC time out IO CF0 bit0 pin IO CF0 bit1 pin IOC F0 bit2=1 Counter 1 IOCF0 bit3=1 Counter 2 IOCF0 bit4=1 H ...

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Osci lla tor 4.6 .1 Oscillator Modes This LSI can operate in the three different oscillator modes from main oscillator (R-OSCI, OSCO), such as RC oscillator with external resistor and Internal capacitor mode (ERIC); crystal oscillator mode; and PLL ...

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EM78P468N 8-BIT Microcontroller Bit 6~4 (CLK2~0) of RD: main clock selection bits for PLL mode (code option select) CLK2 CLK1 4.6.3 Crystal Oscillator This LSI can be driven by an external clock signal through the ...

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RC Oscillator Mode with Internal Capacitor If both precision and cost are taken into consideration, This LSI also offers a special oscillation mode, which is equipped with an internal capacitor and an external resistor connected to VDD. The internal ...

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EM78P468N 8-BIT Microcontroller 4.7 Power-on Considerations Any microcontroller (as with this LSI) is not warran the power supply stabilizes in (POR) with detection level ran external reset circuit but will work well less). However, under critical applicat solving p ower-on ...

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Int errupt T his LSI has eight interrupt sources as listed below: TCC overflow interrupt. External interrupt P5.4/INTO pin External interrupt P5.5/INT1 pin Counter 1 underflow interrupt Counter 2 underflow interrupt Hig h-pu lse width timer und Lo w-pu ...

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EM78P468N 8-BIT Microcontroller Interrupt Source ENI/ DIS Table 3 Interrupt Vector Interrupt V 0003H 0006H 0009H 000CH 000FH 0012H 0015H 0018H 4.9 LCD Driver This LSI can drive LCD segments and 4 commons t 4*32 dots. ...

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Bit 4 (LCDEN): LCD enable bit: 0/1 -> LCD circuit disable/enable When LCD function is disabled, all common/segment output is set to ground (GND) level Bit 3: Not used Bit 2 (LCDTYPE): LCD drive waveform type select bit LCDTYPE = ...

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EM78P468N 8-BIT Microcontroller RD/SBPCR (System, Booster and PLL Control Registers) Bit 7 -- CLK2 Bit (BF1 ~ 0): LCD booster frequency select bits BF1 The initial setting flowchart for LCD function *Set Port ...

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The connecting of boosting circuits for LCD voltage is as below: Fig. 17 The Connection of Charge Bump Circuit (Cext=0.1uf ) Product Specification (V1.2) 03.15.2005 (This specification is subject to change without further notice) VDD VLCD2(2*VDD/3) VA VLCD3(1*VDD/3) VB GND ...

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EM78P468N 8-BIT Microcontroller 1 frame COM 0 COM 1 SEG N SEG N - COM0 ON SEG N - COM1 OFF 1/2 bias, 1/2 duty A type Fig. 18 LCD Waveform for 1/2 Bias, 1/2 Duty 1 frame COM 0 ...

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COM 0 COM 1 COM 2 SEG N SEG N - COM0 ON SEG N - COM1 OFF 1/3 bias, 1/3 duty A type Fig. 20 LCD Waveform for 1/3 Bias, 1/3 Duty 1 frame COM 0 COM ...

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EM78P468N 8-BIT Microcontroller 4.10 Infrared Remote Control Application / PWM Waveform Generate This LSI can output infrared carrier in a friendly manner or in PWM standard waveform. The IR and PWM waveform generated functions include an 8-bit down count timer/counter, ...

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The IROUT output waveform is further explained in the following figures: Fig. 22 LGP=0, HF=1, the IROUT waveform can modulate Fcarrier waveform when in low-pulse width time. Fig. 23 LGP=0, HF=0, the IROUT waveform cannot modulate Fcarrier waveform when in ...

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EM78P468N 8-BIT Microcontroller Fca rrier low-pulse width HF start IRE IROUT Fig. 24 LGP=0, IROUT Pin Output Waveform Fcarrier low-pulse width HF start IRE IROUT Fig. 25 LGP=0, IROUT Pin Output Waveform Fcarrier low-pulse width HF start IRE IROUT Fig. ...

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IR/PWM funct ion enable flowchart STRAT SET P5.7 to OUTPUT state (IOC 50) SET P5.7 for IR/PWM Function Outpu SET Counter 2 clock source and pres SET High pulse width timer, Low pulse width timer source clock and prescaler (IOCA1) ...

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EM78P468N 8-BIT Microcontroller 4.11 Code Options The EM78P468N has one Code Option m mory bits rd1 o ode o ions Word 1 Bit12 ...

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Bit 3 (HLP): Power consumption selection. If your system usually runs in must be set to low power consumption to help support the energy saving issue that HL = “0” ...

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EM78P468N 8-BIT Microcontroller INSTRUCTION BINARY HEX 0 0000 0000 0000 0000 0 0000 0000 0001 0001 0 0000 0000 0011 0003 0 0000 0000 0100 0004 0 0000 0000 rrrr 000r 0 0000 0001 0000 0010 0 0000 0001 0001 ...

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INSTRUCTION BINARY HEX 0 110b bbrr rrrr 0 xxx 0 111b bbrr rrrr 0 xxx 1 00kk kkkk kkkk 1kk 1 01kk kkkk kkkk 1kkk 1 1000 kkkk kkkk 18kk 1 1001 kkkk kkkk 19kk 1 1010 kkkk kkkk 1Ak ...

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EM78P468N 8-BIT Microcontroller 4.13 Timing Diagram AC Test Input/Output Waveform 2.4 0.4 AC Testi ng : Input ade at 2. RESET Timing (CLK="0") CLK /RESET TCC Input Timing (CLKS="0") CLK TCC Port (n+ Port ...

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ABSOLUTE MAXIMUM RATINGS Items Symbol Supply v oltage Input vo ltage Output voltage Operati on temperature S tora ge temperature Power di ssipation Operati ng Frequency Product Specification (V1.2) 03.15.2005 (This specification is subject to change without further notice) ...

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EM78P468N 8-BIT Microcontroller 6 ELECTRICAL CHARACTERISTIC 6.1 DC Electrical Characteristics (Ta= 25 ° C, VDD= 5.0V, GND= 0V) Symbol Parameter FXT XTAL: VDD Sub-oscillator External R, internal C for sub-oscillator ERIC External R, internal C for sub-oscillator ...

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C, VDD= 3.0V, GND= 0V) Symbol Parameter FXT XTAL: VDD Sub-oscillator External R, internal C for ERIC sub-oscillator External R, internal C for sub-oscillator Input Leakage Current for IIL input pins Input High Th ...

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EM78P468N 8-BIT Microcontroller 6.2 AC Electrical Characteristics (Ta=- 40 ° ° C, VDD=5V ± 5%, GND=0V) Symbol Parameter Dclk Input CLK duty cycle Instruction cycle time Tins (CLKS="0") Ttcc TCC input period Tdrh Device reset hold time ...

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Device Characteristic The graphs provided in the following pages were derived based on a limited number of samples and are shown here for reference only. The device characteristic illustrated herein are not guaranteed for it accuracy. In some graphs, ...

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EM78P468N 8-BIT Microcontroller Vih/Vil (Port 7, Port 8 All Input pins with schmitt inverter) 2.5 Vih Max. (-40 2 Vih Typ. (+25 Vih Min. (-40 1 2.5 Fig. 30 Vih, Vil of PORT 7 and PORT ...

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P5.7 Voh/Ioh (VDD=5V, IROCS="1") 0 -10 -20 Min : +85 ℃ Typ : +25 ℃ -30 Max : -40 ℃ -40 - Voh (Volt) Fig. 32 Port 5.7 Voh vs. Ioh, [ VDD=3V, 5V, IROCS (Bit ...

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EM78P468N 8-BIT Microcontroller P5.7 Voh/Ioh (VDD=5V, IROCS="0") 80 Max : -40 ℃ Typ : +25 ℃ Min : +85 ℃ Voh (Volt) Fig. 34 Port 5.7 Vol vs. ...

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P5.4~5.6, PORT Voh/Ioh (VDD=5V) 90 Max : -40 ℃ Voh (Volt) Fig. 36 Port 6, Port 7 and Port 8 Vol vs. Iol [ VDD=3V, ...

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EM78P468N 8-BIT Microcontroller Typical RC OSC Frequency (R-OSCI Pin) 2.4 2 1.8 1.5 1 100 K 0.9 0.6 0 300 2.5 3 3.5 VDD (Volt) Fig. 38 Typical ERIC ...

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Fig. 40 Typical ERIC OSC Frequency vs. Temperature (Xin Pin) Four conditions exist with the Operating Current ICC1 to ICC4. These conditions are as follows: ISB (sleep mode): Fm and Fs is stop, all function off. ICC1 (idle mode): Fm ...

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EM78P468N 8-BIT Microcontroller 2 1.6 1.2 0.8 0.4 0 -40 Fig. 40 Typical power consumption on normal mode operation (Fm=4MHz) 2.8 2.4 2 1.6 1.2 0.8 0.4 0 -40 Fig. 41 Maximum power consumption on normal mode operation (Fm=4MHz 66 ...

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Fig. 42 Typical power consumption on green mode operation -40 Fig. 43 Maximum power consumption on green mode operation Product Specification (V1.2) 03.15.2005 (This ...

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EM78P468N 8-BIT Microcontroller -40 Fig. 44 Typical power consumption on idle mode operation -40 Fig. 45 Maximum power consumption on idle mode operation 68 • Typical ICC1 vs. Temerature ...

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Fig. 46 Typical power consumption on sleep mode operation 1.2 0.9 0.6 0.3 0 -40 Fig. 47 Maximum power consumption on sleep mode operation Product Specification (V1.2) 03.15.2005 (This specification is subject to ...

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EM78P468N 8-BIT Microcontroller Fig. 48 Operating voltage under temperature range of 0 Fig. 49 Operating voltage under temperature range of -40 70 • ℃ ℃ ℃ to +85 Product Specification (V1.2) 03.15.2005 (This specification is subject to change ...

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APPLICATION CIRCUIT COM0 COM3 SEG0 SEG31 IROUT P6.7 P6.6 P6.5 P6.4 P6.3 P6.2 P6.1 P6.0 Fig. 50 IROUT control external BJT circuit to drive infrared emitting diodes COM0 COM3 SEG0 SEG31 IROUT P6.7 P6.6 P6.5 P6.4 P6.3 P6.2 P6.1 ...

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... EM78P468N 8-BIT Microcontroller APPENDIX A: A.1 Package Types: Name EM78P468NH EM78P468NQ EM78P468NAQ EM78P468NBQ EM78P468NCQ A.2 Package Information: QFP – • Package Type Pin Count Dice QFP LQFP LQFP QFP A1 (This specification is subject to change without further notice) Package Body Size ...

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LQFP – DETAIL " B " LQFP – 44 Product Specification (V1.2) 03.15.2005 (This specification is subject to change without further notice) DETAIL " A " ...

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EM78P468N 8-BIT Microcontroller QFP – • Symbal 13. θ TITLE: QFP-44L(10*10 MM) FOOTPRINT 3.2mm PACKAGE OUTLINE DIMENSION File : QFP44 Product Specification (V1.2) 03.15.2005 (This specification is ...

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APPENDIX B: EM78P468N Program Pin List It uses DWRT to program EM78P468N IC’s. The connector of DWTR select by CON4 (EM78P451), and the software is selected by EM78P468N. Program Pin Name VPP ACLK DINCLK DATAIN /PGMB /OEB VDD GND Wiring ...

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EM78P468N 8-BIT Microcontroller APPENDIX C: C.1 ICE 468XA Oscillator circuit (JP 5) Mode1: Main oscillator: Crystal mode, Sub oscillator: Crystal mode JP 5 Mode2: Main oscillator: PLL mode, Sub oscillator: Crystal mode JP 5 Mode3: Main oscillator: RC mode, Sub ...

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Mode4: Main oscillator: Crystal mode, Sub oscillator: RC mode JP 5 Mode5: Main oscillator: PLL mode, Sub oscillator: RC mode JP 5 Mode6: Main oscillator: RC mode, Sub oscillator: RC mode JP 5 Product Specification (V1.2) 03.15.2005 (This specification is ...

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EM78P468N 8-BIT Microcontroller C.2 ICE 468XA output pin assignment ( ...