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M38264E1FS Datasheet(PDF) 1 Page - Renesas Technology Corp |
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M38264E1FS Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 91 page  DESCRIPTION The 3826 group is the 8-bit microcomputer based on the 740 fam- ily core technology. The 3826 group has the LCD drive control circuit, an 8-channel A/ D converter, D/A converter, serial interface and PWM as additional functions. The various microcomputers in the 3826 group (One Time PROM version) include variations of internal memory size and packaging. This datasheet describes only the One Time PROM version (ROM 60 K version) of 3826 Group. FEATURES •Basic machine-language instructions ....................................... 71 •The minimum instruction execution time ............................ 0.5 µs (at 8MHz oscillation frequency) •Memory size ROM ............................................................................. 60 K bytes RAM ............................................................................ 2560 bytes •Programmable input/output ports ............................................. 55 •Software pull-up resistors .................................................... Built-in •Output ports ................................................................................. 8 •Input ports .................................................................................... 1 •Interrupts .................................................. 17 sources, 16 vectors External ................ 7 sources (includes key input interrupt) Internal ................................................................ 9 sources Software ................................................................ 1 source •Timers ............................................................ 8-bit ✕ 3, 16-bit ✕ 2 •Serial interface Serial I/O1 ...................... 8-bit ✕ 1 (UART or Clock-synchronous) Serial I/O2 .................................... 8-bit ✕ 1 (Clock-synchronous) •PWM output .................................................................... 8-bit ✕ 1 •A/D converter ............. 10-bit ✕ 8 channels or 8-bit ✕ 8 channels •D/A converter .................................................. 8-bit ✕ 2 channels (used as DTMF and CTCSS function) •LCD drive control circuit Bias ......................................................................... 1/2, 1/3 Duty .................................................................. 1/2, 1/3, 1/4 Common output ................................................................ 4 Segment output .............................................................. 40 •2 Clock generating circuits (connect to external ceramic resonator or quartz-crystal oscillator) •Watchdog timer ............................................................. 14-bit ✕ 1 •Power source voltage In high-speed mode (f(XIN) = 8 MHz) ..................... 4.0 V to 5.5 V In middle-speed mode (f(XIN) = 8 MHz) ................. 2.5 V to 5.5 V In low-speed mode .................................................. 2.5 V to 5.5 V •Power dissipation In high-speed mode ................................................... Typ. 32 mW (f(XIN) = 8 MHz, VCC = 5 V, Ta = 25 °C) In low-speed mode ...................................................... Typ. 45 µW (f(XIN) = stop, f(XCIN) = 32 kHz, VCC = 3 V, Ta = 25 °C) •Operating temperature range ................................... – 20 to 85°C APPLICATIONS Camera, cordless phone, wireless application, household appli- ances, etc. 3826 Group (One Time PROM version) SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER REJ03B0181-0100 Rev.1.00 Sep 06, 2006 Rev.1.00 Sep 06, 2006 page 1 of 88 REJ03B0181-0100 |
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