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M37544G2HP Datasheet(PDF) 1 Page - Renesas Technology Corp |
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M37544G2HP Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 68 page  DESCRIPTION The 7544 Group is the 8-bit microcomputer based on the 740 fam- ily core technology. The 7544 Group has a serial I/O, 8-bit timers, a 16-bit timer, and an A/D converter, and is useful for control of home electric appli- ances and office automation equipment. FEATURES • Basic machine-language instructions ...................................... 71 • The minimum instruction execution time ......................... 0.25 µs (at 8 MHz oscillation frequency, double-speed mode for the shortest instruction) • Memory size ROM ......................................................... 8 K bytes RAM ........................................................ 256 bytes • Programmable I/O ports ........................................................... 25 • Interrupts ................................................. 12 sources, 12 vectors • Timers ............................................................................. 8-bit ✕ 2 ...................................................................................... 16-bit ✕ 1 • Serial I/O ...................... 8-bit ✕ 1 (UART or Clock-synchronized) • A/D converter ................................................. 8-bit ✕ 6 channels • Clock generating circuit ............................................. Built-in type (low-power dissipation by an on-chip oscillator enabled) (connect to external ceramic resonator or quartz-crystal oscilla- tor permitting RC oscillation) • Watchdog timer ............................................................ 16-bit ✕ 1 • Power source voltage XIN oscillation frequency at ceramic/quartz-crystal oscillation, in double-speed mode At 8 MHz .................................................................... 4.5 to 5.5 V XIN oscillation frequency at ceramic/quartz-crystal oscillation, in high-speed mode At 8 MHz .................................................................... 4.0 to 5.5 V XIN oscillation frequency at RC oscillation At 4 MHz .................................................................... 4.0 to 5.5 V • Power dissipation ........................................... 22.5mW(standard) • Operating temperature range ................................... –20 to 85 °C APPLICATION Office automation equipment, factory automation equipment, home electric appliances, consumer electronics, etc. PIN CONFIGURATION (TOP VIEW) Fig. 1 Pin configuration (32P4B type) Package type : 32P4B P12/SCLK 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P13/SRDY P14/CNTR0 P20/AN0 P21/AN1 P22/AN2 P23/AN3 P24/AN4 P25/AN5 VREF CNVSS VCC XIN XOUT VSS RESET P11/TXD P10/RXD P07(LED7) P06(LED6) P05(LED5) P04(LED4) P03(LED3)/TXOUT P02(LED2) P01(LED1) P00(LED0)/CNTR1 P34(LED12)/INT1 P33(LED11) P32(LED10) P31(LED9) P30(LED8) P37(LED13)/INT0 Rev.1.04 2004.06.08 page 1 of 66 REJ03B0012-0104Z REJ03B0012-0104Z Rev.1.04 2004.06.08 7544 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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