M34280M1 Renesas Electronics Corporation., M34280M1 Datasheet
M34280M1
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M34280M1 Summary of contents
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To all our customers Regarding the change of names mentioned in the document, such as Mitsubishi Electric and Mitsubishi XX, to Renesas Technology Corp. The semiconductor operations of Hitachi and Mitsubishi Electric were transferred to Renesas Technology Corporation on April ...
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... Timer Timer 1 ................................................................... 8-bit timer with a reload register and carrier wave output auto-control function ROM (PROM) size Product M34280M1-XXXFP 1024 words M34280M1-XXXGP 1024 words 1024 words M34280E1FP M34280E1GP 1024 words PIN CONFIGURATION (TOP VIEW) M34280M1-XXXFP/ OUT ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS BLOCK DIAGRAM 2 MITSUBISHI MICROCOMPUTERS 4280 Group ...
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... SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS PERFORMANCE OVERVIEW Parameter Number of basic instructions 62 Minimum instruction execution time 8.0 s (at 4.0 MHz system clock frequency) (f(X Memory sizes M34280M1/ 1024 words ROM E1 32 words RAM Input/Output D –D Output Seven independent output ports 0 6 ports ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS CONNECTIONS OF UNUSED PINS Pin Connection Open or connect – Set the output latch to “1” and open connect to ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS PORT BLOCK DIAGRAMS Register Y SD instruction RD instruction Register Y Decoder SD instruction RD instruction CLD instruction Skip decision (SZD instruction) Key-on wakeup input Register OEA instruction ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS FUNCTION BLOCK OPERATIONS CPU (1) Arithmetic logic unit (ALU) The arithmetic logic unit ALU performs 4-bit arithmetic such as 4-bit data addition, comparison, and bit manipulation. (2) Register A and carry ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS (5) Most significant ROM code reference enable flag (URS) URS flag controls whether to refer to the contents of the most significant 1 bit (bit 8) of ROM code when executing ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS (8) Program counter (PC) Program counter (PC) is used to specify a ROM address (page and address). It determines a sequence in which instructions stored in ROM are read ...
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... FF 16 0100 16 Pages 017 F 16 0180 Fig. 10 ROM map of M34280M1 RAM 32 words Fig. 11 RAM map MITSUBISHI MICROCOMPUTERS 4280 Group Page 0 Page 1 Subroutine special page Page 2 Page 3 Page 7 4 bits (128 bits) Register ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS TIMERS The 4280 Group has the programmable timer. • Programmable timer The programmable timer has a reload register and enables the frequency dividing ratio to be set decremented from ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS The 4280 Group timer consists of the following circuit. • Timer 1 : 8-bit programmable timer This timer can be controlled with the timer control register V1. Timer 1 function is ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS Table 4 Control registers related to timer Timer control register V1 V1 Carrier wave output auto-control bit 2 V1 Timer 1 count source selection bit 1 Timer 1 control bit V1 ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS WATCHDOG TIMER Watchdog timer provides a method to reset and restart the system when a program runs wild. Watchdog timer consists of 14-bit timer (WDT) and watchdog timer flags (WDF1, WDF2). ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS CARRIER GENERATING CIRCUIT The 4280 Group can output the various carrier waveforms by the carrier wave selection register C. Set the contents of this register through register A with the TCA ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS Timer 1 start (V1 “1” Timer 1 underflow “0” “H” Port CARR output “L” Set the interval “a” to timer 1. Select count source CARRY ( Auto-control valid ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS RESET FUNCTION The 4280 Group has the power-on reset circuit, though it does not have RESET pin. System reset is performed automatically at power-on, and software starts program from address 0 ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS (1) Internal state at reset Table 6 shows port state at reset, and Figure 19 shows internal state at reset (they are retained after system is released from reset). • Program ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS RAM BACK-UP MODE The 4280 Group has the RAM back-up mode. When the POF instruction is executed, system enters the RAM back-up state. As oscillation stops retaining RAM, the function of ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS (4) Return signal An external wakeup signal is used to return from the RAM back-up mode. Table 8 shows the return condition for each return source. Table 8 Return source and ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS CLOCK CONTROL The clock control circuit consists of the following circuits. • System clock generating circuit • Control circuit to stop the clock oscillation • Control circuit to return from the ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS LIST OF PRECAUTIONS Noise and latch-up prevention Connect a capacitor on the following condition to prevent noise and latch-up; • connect a bypass capacitor (approx. 0.01 F) between pins V and ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS SYMBOL The symbols shown below are used in the following list of instruction function and the machine instructions. Symbol Contents Register A (4 bits Register B (4 bits) Register ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS LIST OF INSTRUCTION FUNCTION Mnemonic Function Groupi n g TAB (A) (B) TBA (B) (A) TAY (A) (Y) TYA (Y) (A) TEAB (ER – (ER –ER ) ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS LIST OF INSTRUCTION FUNCTION (CONTINUED) Grouping Mnemonic Function TV1A (V1 – – TAB1 (B) (T1 – (A) (T1 – T1AB ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS INSTRUCTION CODE TABLE 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010 01011 01100 01101 01110 01111 D – – Hex ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS MACHINE INSTRUCTIONS Instruction code Parameter Mnemonic Hexadecimal ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS MACHINE INSTRUCTIONS (CONTINUED) Instruction code Parameter Mnemonic Hexadecimal ...
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... Note : for M34280E1, and for M34280M1. 30 MITSUBISHI MICROCOMPUTERS 4280 Group Function Skip condition 1 0 (Mj(DP (A) = (M(DP)) ( – –a ...
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... OCRA (CARR) Note : for M34280E1, and for M34280M1. 32 MITSUBISHI MICROCOMPUTERS 4280 Group Function Skip condition (PC) (SP – (PC) (SP –a ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS MACHINE INSTRUCTIONS (CONTINUED) Instruction code Parameter Mnemonic Hexadecimal ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS CONTROL REGISTERS Timer control register V1 V1 Carrier wave output auto-control bit 2 V1 Timer 1 count source selection bit 1 Timer 1 control bit V1 0 Pull-down control register PU0 ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply voltage DD V Input voltage I V Output voltage O P Power dissipation d T Operating temperature range opr T Storage temperature range stg ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS ELECTRICAL CHARACTERISTICS (Ta = – unless otherwise noted) DD Symbol Parameter V “L” level output voltage Port CARR OL V “H” level output ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS BUILT-IN PROM VERSION In addition to the mask ROM versions, the 4280 Group has the One Time PROM versions whose PROMs can only be written to and not be erased. The ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS (1) PROM mode (serial input/output) The M34280E1FP/GP has a PROM mode in addition to a normal operation mode. It has a function to serially input/output the command codes, addresses, and data ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS (2) Functional outline In the PROM mode, data is transferred with the clock- synchronous serial input/output. The input data is read through the SDA pin into the internal circuit synchronously with ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS (4) Program Input command code 25 in the first transfer. Proceed and 16 input the low-order 8 bits and high-order 8 bits of the address and the low-order 8 bits and ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS PROGRAM ALGORITHM FLOW CHART START 4V,V = 12. ADRS = first location X=0 WRITE PROGRAM-VERIFY COMMAND WRITE PROGRAM DATA PROGRAM ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS TIMING REQUIREMENT CONDITION AND SWITCHING CHARACTERISTICS ( 4 12 Symbol Parameter t Serial transfer width time CH t Read wait ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS (6) Notes on handling A high-voltage is used for writing. Take care that overvoltage is not applied. Take care especially at turning on the power. For the M34280E1FP/GP, Mitsubishi Electric corp. ...
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... SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS GZZ-SH54-86B <91A0> 720 SERIES MASK ROM ORDER CONFIRMATION FORM SINGLE-CHIP MICROCOMPUTER M34280M1-XXXFP/GP MITSUBISHI ELECTRIC Please fill in all items marked Company name Customer Date Date: issued 1. Confirmation Specify the name of the product being ordered (check in the approximate box). ...
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... Mask file name 2. Mark Specification Mark specification must be submitted using the correct form for the type of package being ordered. Fill out the approximate Mark Specification Form (20P2N-A for M34280M1-XXXFP, 20P2E/F-A for M34280M1-XXXGP) and attach to the Mask ROM Order Confirmation Form. 3. Comments ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS PACKAGE OUTLINE 20P2N-A EIAJ Package Code JEDEC Code SOP20-P-300-1.27 – Detail G 1 20P2E/F-A EIAJ Package Code JEDEC Code SSOP20-P-225-0.65 – ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS 20P2N-A (20-PIN SOP) MARK SPECIFICATION FORM Please choose one of the marking types below (A, B, C), and enter the Mitsubishi IC catalog name and the special mark (if needed). A. ...
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SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS 20P2E/F-A (20-PIN SSOP) MARK SPECIFICATION FORM Please choose one of the marking types below (A, B), and enter the Mitsubishi IC catalog name and the special mark (if needed). A. Standard ...
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Keep safety first in your circuit designs! • Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead ...
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REVISION DESCRIPTION LIST Rev. No. 1.0 First Edition 2.0 • 20P2E/F-A package added • Figure XA-2: A resistor is added 4280 GROUP DATA SHEET Revision Description (1/1) Rev. date 980420 990611 ...