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M34280E1GP Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor |
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M34280E1GP Datasheet(HTML) 1 Page - Mitsubishi Electric Semiconductor |
1 / 47 page ROM type Mask ROM Mask ROM One Time PROM One Time PROM Package 20P2N-A 20P2E/F-A 20P2N-A 20P2E/F-A RAM size ( × 4 bits) 32 words 32 words 32 words 32 words PIN CONFIGURATION (TOP VIEW) M34280M1-XXXFP/GP ROM (PROM) size ( × 9 bits) 1024 words 1024 words 1024 words 1024 words Product M34280M1-XXXFP M34280M1-XXXGP M34280E1FP M34280E1GP DESCRIPTION The 4280 Group is a 4-bit single-chip microcomputer designed with CMOS technology for remote control transmitters. The 4280 Group has 7 carrier waves and enables fabrication of 8 × 7 key matrix. FEATURES • Number of basic instructions ............................................. 62 • Minimum instruction execution time ............................ 8.0 µs (at f(XIN) = 4.0 MHz, system clock = f(XIN)/8, VDD=3.0 V) • Supply voltage ................................................. 1.8 V to 3.6 V • Subroutine nesting ..................................................... 4 levels • Timer Timer 1 ................................................................... 8-bit timer with a reload register and carrier wave output auto-control function • Carrier wave output function (port CARR) f(XIN), f(XIN)/4, f(XIN)/8, f(XIN)/12 f(XIN)/64, f(XIN)/96, “H” output fixed • Logic operation function (XOR, OR, AND) • RAM back-up function • Key-on wakeup function (ports D7, E0–E2, G0–G3) ............. 8 • I/O port (ports D, E, G, CARR) .......................................... 16 • Oscillation circuit ..................................... Ceramic resonance • Watchdog timer • Power-on reset circuit • Voltage drop detection circuit ......................... Typical:1.50 V APPLICATION Various remote control transmitters 4280 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS MITSUBISHI MICROCOMPUTERS VSS 2 3 4 5 6 7 8 9 10 1 19 18 17 16 15 14 13 12 11 20 D7 D2 D3 D4 D5 D1 D0 CARR VDD D6 E2 G3 G2 E0 E1 XIN XOUT G0 G1 Outline 20P2N-A 20P2E/F-A |
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