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7512 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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7512 Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 87 page  Feb 18, 2005 page 1 of 85 REJ03B0122-0101 7512 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER REJ03B0122-0101 Rev.1.01 Feb 18, 2005 DESCRIPTION The 7512 Group is the 8-bit microcomputer based on the 740 fam- ily core technology. The 7512 Group is designed for battery-pack and includes serial interface functions, 8-bit timer, A/D converter, current integrator and I2C-BUS interface. FEATURES qBasic machine-language instructions ...................................... 71 qMinimum instruction execution time .................................. 1.0 µs (at 4 MHz oscillation frequency) qMemory size Flash memory .................................................. 36 K to 52 Kbytes RAM ............................................................... 1.0 K to 1.5 Kbytes qProgrammable input/output ports ............................................ 36 qInterrupts ................................................. 19 sources, 16 vectors qTimers ............................................................................. 8-bit ✕ 4 qSerial interface Serial I/O1 .......... 8-bit ✕ 1 (UART or Clock-synchronized) Serial I/O2 .......................... 8-bit ✕ 1(Clock-synchronized) qMulti-master I2C-BUS interface (option) ...................... 1 channel qPWM ............................................................................... 8-bit ✕ 1 qA/D converter ............................................. 10-bit ✕ 10 channels PIN CONFIGURATION (TOP VIEW) Fig. 1 M37512FCHP pin configuration qCurrent integrator ......................................................... 1 channel qOver current detector ................................................... 1 channel qEasy thermal sensor .................................................... 1 channel qWatchdog timer ............................................................ 16-bit ✕ 1 qClock generating circuit ..................................... Built-in 4 circuits (high-speed RC oscillator and 32kHz RC oscillator, or connect to external ceramic resonator or quartz-crystal oscillator) qPower source voltage ............................................ 2.45 to 2.55 V qPower dissipation In high-speed mode ...................................................... 3.75 mW (at 4 MHz oscillation frequency, at 2.5 V power source voltage) In low-speed mode ........................................................ 1.05 mW (at 32 kHz oscillation frequency, at 2.5 V power source voltage) qOperating temperature range .................................... –20 to 85°C APPLICATION Battery-Pack, etc. 23 22 13 37 38 39 40 41 42 43 44 45 46 47 48 24 21 20 19 18 17 16 15 14 Package type : 48P6Q-A P17/(LED7) P12/(LED2) P13/(LED3) P14/(LED4) P15/(LED5) P16/(LED6) VSS XOUT XIN RESET P20/XCOUT P21/XCIN P33/AN3 P32/AN2 ADVSS ADVRED VCC AVSS ISENS0 ISENS1 P31/AN1 P30/AN0 AVCC DFETCNT/P45 M37512FCHP |
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