M34280M1 MITSUBISHI, M34280M1 Datasheet
M34280M1
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M34280M1 Summary of contents
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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 MITSUBISHI ELECTRIC 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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... Machine cycle The machine cycle is the cycle required to execute the Instruction clock instruction. f(X )/32 IN f(X )/4 IN MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Control Remark registers PU0 Pull-down function and key-on wakeup function (programmable) PU0 Pull-down function and key-on wakeup function (programmable) ...
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... TCA R T instruction Notes MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Ports D – Port D (Note 4) 7 Port E (Note 4) 0 Port E (Note 4) 1 Port E (Note 4) 2 Ports G –G (Note CARRY Port CARR ...
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... Specifying address Middle-order 4 bits Most significant 1 bit The contents of register A URS flag (1) URSC instruction MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group <Carry> (CY) (M(DP)) Addition ALU (A) <Result> <Set> <Clear> RC instruction <Rotation> RAR instruction ...
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... The contents of program counter is not increased by 2. Accordingly, the number of cycles does not change even if skip is not performed. However, the cycle count becomes “1” if the TABP p, RT, or RTS instruction is skipped. MITSUBISHI MICROCOMPUTERS Program counter (PC) Executing BM Executing RT instruction ...
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... Specifying Fig. 7 Program counter (PC) structure (bits which Register X (2) Fig. 8 Data pointer (DP) structure Specifying bit position Register Y (4) Fig instruction execution example MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Program counter (PC ...
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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 ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Page 0 Page 1 Subroutine special page Page 2 Page 3 Page 7 4 bits (128 bits) ...
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... Counter initial value Count starts Timer 1 underflow flag Fig. 12 Auto-reload function 10 Reload 1st underflow 2nd underflow n+1 count n+1 count MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Reload Time A skip instruction is executed. ...
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... When the T1AB instruction is executed after V1 writing is performed only to reload register R1. 3: The initializing signal is output at reset or RAM back-up mode. : Data is automatically set from a reload register when timer 1 underflows (auto-reload function). MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Use of output signal • Carrier wave output control T1F Q D ...
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... Data can be read from timer 1 to registers A and B. When reading the data, stop the counter and then execute the TAB1 instruction. 12 MITSUBISHI MICROCOMPUTERS at reset : 000 at RAM back-up : 000 2 0 Auto-control output by timer 1 is invalid ...
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... WDF2 flag “0” “H” Internal reset signal “L” System reset Fig. 14 Watchdog timer function elapses. 16 Software Software start start POF instruction execution WRST Return instruction execution MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Software start System reset 13 ...
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... Also, timer 1 can auto-control the carrier wave output from port CARR by setting the timer control register V1 register A with the RAM back-up: 111 ) 2 2 Output waveform )/8 is selected. IN MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Carrier wave ( Frequency Duty 1/3 System clock/ 12 1/2 ...
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... Exclusive logic OR operation (XOR operation (OR AND operation (AND Not available MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Set the interval “d” to reload register R1. Timer 1 stop ( (Note) Carrier wave output stop ) register V1. ...
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... Internal reset signal Power-on reset circuit Voltage drop detection circuit Watchdog timer output Fig. 18 Power-on reset circuit example 16 MITSUBISHI MICROCOMPUTERS In order to make the built-in power-on reset circuit operate efficiently, set the voltage rising time until V obtained at power-on 1ms or less. f(X ) 16384 pulses ...
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... V) or less Reset voltage Internal reset signal Fig. 20 Voltage drop detection circuit operation waveform MITSUBISHI MICROCOMPUTERS The contents of timers, registers, flags and RAM except shown in Figure 19 are undefined, so set the initial value to them ...
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... In this case, the P flag is “0.” 18 MITSUBISHI MICROCOMPUTERS Table 7 Functions and states retained at RAM back-up Function Program counter (PC), registers A, B, carry flag (CY), stack pointer (SP) (Note 2) ...
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... POF instruction A is executed f(X ) oscillation IN Return input (Stabilizing time a ) Software start Fig. 23 Start condition identified example using the SNZP instruction MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Remarks at RAM back-up : state retained B f(X ) stop IN (RAM back-up mode counted to16384 times. IN Yes P = “1” ...
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... Internal power-on reset circuit Pull-down control register PU0 and OUT pin and X pin. IN OUT Fig. 25 Ceramic resonator external circuit MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group INSTCK Port D 7 Ports Ports – 4280 Use the resonator manufacturer’s X ...
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... When writing data to reload register R1 while timer 1 is operating, avoid a timing when timer 1 underflows. Program counter Make sure that the program counter does not specify after the last page of the built-in ROM. is also used the shortest DD MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group 21 ...
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... M(DP MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Contents Port D (8 bits) Port E (3 bits) Port G (4 bits) Port CARR (1 bit) Hexadecimal variable Hexadecimal variable Hexadecimal variable Hexadecimal constant which represents the immediate value Hexadecimal constant which represents the ...
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... RAR 3 2 LGOP Logic operation instruction XOR, OR, AND (Mj(DP (Mj(DP SZB j (Mj(DP MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Grouping Mnemonic Function (A) = (M(DP)) ? SEAM ( SEA ( – – ( ...
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... OGA (G) (A) IAG (A) (G) 24 Groupi n g Mnemonic Function (PC) (PC NOP 0 POF RAM back-up SNZP ( =0): STCK changes to f(X CCK ( TLOA 1 0 (URS) 1 URSC TPU0A (PU0 –PU0 ) 2 0 WRST (WDF1) 0 MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group ) – ...
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... SB RB XAMD TPU0A –D show the high-order 5 bits of the machine language not use the code marked “–.” MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group 10000 11000 10111 11111 10– LXY LXY LXY LXY ...
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... EXOR(j) (M(DP)) (X) EXOR(j) (M(DP)) ( (X) EXOR(j) (Y) – 1 (M(DP)) ( (X) EXOR(j) ( MITSUBISHI MICROCOMPUTERS SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS Detailed description – – Transfers the contents of register B to register A. – – Transfers the contents of register A to register B. – – Transfers the contents of register Y to register A. ...
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... MITSUBISHI MICROCOMPUTERS SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS Detailed description – Loads the value n in the immediate field to register A. When the LA instructions are continuously coded and executed, only the first LA instruction is executed and other LA instructions coded continuously are skipped. ...
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... Note : for M34280E1, and for M34280M1. MITSUBISHI ELECTRIC 30 MITSUBISHI MICROCOMPUTERS 4280 Group Function Skip condition 1 0 (Mj(DP (A) = (M(DP)) ( – ...
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... OCRA (CARR) Note : for M34280E1, and for M34280M1. MITSUBISHI ELECTRIC 32 MITSUBISHI MICROCOMPUTERS 4280 Group Function Skip condition (PC) (SP – (PC) (SP ...
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... MITSUBISHI MICROCOMPUTERS SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS Detailed description – – Clears (0) to port D (high-impedance state). – Clears ( bit of port D specified by register Y (high-impedance state). – – – Sets ( bit of port D specified by register Y. ...
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... LO 0 Notes 1: “R” represents read enabled, and “W” represents write enabled valid only when f(X )/8 is selected as the system clock MITSUBISHI MICROCOMPUTERS at reset : 000 at RAM back-up : 000 2 0 Auto-control output by timer 1 is invalid 1 Auto-control output by timer 1 is valid 0 ...
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... )/8 selected Ceramic resonance IN ) selected Ceramic resonance IN Ta=25 C Supply voltage is -10V/s and drops under detected voltage 2 MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Ratings Unit –0 –0 +0 –0 +0 300 mW – –40 to 125 ...
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... Pull-down transistor in off-state f 4.0 MHz IN f 500 kHz –X IN OUT MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Limits Unit Typ. Max. Min. 0.9 V 2.1 V 1.5 V 1.0 V – –1 A 400 800 A 350 700 0.1 0.5 ...
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... One Time PROM [shipped in blank] 32 words 20P2E/F-A One Time PROM [shipped in blank Outline 20P2N-A 20P2E/F-A MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group ROM type V DD CARR ...
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... Clock-synchronous serial I/O is used, beginning from the LSB (LSB first). Refer to the Mitsubishi Data Book “DEVELOPMENT SUPPORT TOOLS FOR MICROCOMPUTERS” about the microcomputers ...
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... Read address t t input ( period after the last rising edge of the serial clock (at the 16th bit). (C–E) MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Third Fourth Read data L (output) Program data L (input) Program data L (input) Seventh Verify data H (output ...
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... Program data input (H) input ( Verify period after the last rising edge of the serial clock (at the 16th bit). (C–E) MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Program data input ( Program ...
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... BYTE? PASS PASS WRITE PROGRAM COMMAND WRITE PROGRAM DATA PROGRAM PULSE OF 0.2Xms DURATION LAST NO INC ADRS ADRS? YES 15 READ COMMAND VERIFY FAIL ALL BYTE? PASS DEVICE PASSED MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group 35 16 DIN VERIFY BYTE? 25 FAIL 16 DIN 16 DEVICE FAILED 43 ...
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... C(CK W(CKL) W(CKH) t r(CK) t d(C-Q) t h(C- su(D-C) h(C-D) Measurement condition Output timing voltage: V Input timing voltage: V MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group t h(C- ...
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... 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. does not perform PROM writing test and screening in the assembly process and following processes. In order to improve reliability after writing, performing writing and test according to the flow shown in Figure 31 before using is recommended ...
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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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... Detail F Weight(g) Lead Material 0.08 Alloy 42/Cu Alloy Detail F MITSUBISHI ELECTRIC MITSUBISHI MICROCOMPUTERS 4280 Group Plastic 20pin 300mil SOP Recommended Mount Pad Dimension in Millimeters Symbol Min Nom Max A – – – ...
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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. Standard Mitsubishi Mark 20 Mitsubishi lot number (6-digit or 7-digit Customer’ ...
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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 Mitsubishi Mark 20 11 Mitsubishi lot number ...
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... These materials are intended as a reference to assist our customers in the selection of the Mitsubishi semiconductor product best suited to the customer’s application; they do not convey any license under any intellectual property rights, or any other rights, belonging to Mitsubishi Electric Corporation or a third party. ...
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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 ...