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M34286 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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M34286 Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 66 page  ROM type QzROM QzROM (blank) Package RAM size (× 4 bits) 64 words 64 words ROM size (× 9 bits) 2048 words 2048 words Part number M34286G2-XXXGP M34286G2GP DESCRIPTION The 4286 Group is a 4-bit single-chip microcomputer designed with CMOS technology for single-function remote control transmitters. The computer is equipped with an 8-bit timer (has two reload registers) can be set various carrier wave and an 8- bit timer (has a reload register) can be control the carrier wave output automatically. The various microcomputers in the 4286 Group include variations of type as shown in the table below. FEATURES • Number of basic instructions ............................................. 72 •Minimum instruction execution time ............................ 2.0 µs (at f(XIN) = 4.0 MHz, system clock = f(XIN)/2) •Supply voltage ................................................. 1.8 V to 3.6 V • Subroutine nesting ..................................................... 4 levels •Timer Timer 1 ................................................................... 8-bit timer (This has a reload register and carrier wave output auto-control function) Timer 2 ................................................................... 8-bit timer (This has two reload registers and carrier wave output function) • Logic operation function (XOR, OR, AND) • RAM back-up function •Key-on wakeup function (ports D0–D7, E0–E2, G0–G3) .... 15 •I/O port (ports D, E, G, CARR) .......................................... 16 • Oscillation circuit ..................................... Ceramic resonance • Watchdog timer • Power-on reset circuit • Voltage drop detection circuit Before CLVD instruction execution Reset occurrence ............................... 1.5 V (Ta=25 °C) Reset release .................................... 1.7 V (Ta=25 °C) After CLVD instruction execution Reset occurrence/Reset release ........ 1.7 V (Ta=25 °C) APPLICATION Consumer remote control transmitters 4286 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER REJ03B0251-0100 Rev.1.00 Aug 06, 2008 Rev.1.00 Aug 06, 2008 page 1 of 64 REJ03B0251-0100 PLSP0020JB-A (20P2F-A) PLSP0020JB-A (20P2F-A) |
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