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M37270MF Datasheet(PDF) 4 Page - Mitsubishi Electric Semiconductor |
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M37270MF Datasheet(HTML) 4 Page - Mitsubishi Electric Semiconductor |
4 / 94 page MITSUBISHI MICROCOMPUTERS M37270MF-XXXSP M37270EF-XXXSP, M37270EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 4 71 0.5 µs (the minimum instruction execution time, at 8 MHz oscillation fre- quency) 8 MHz (maximum) 60 K bytes 1024 bytes 14464 bytes 1920 bytes 7-bit ! 1 (N-channel open-drain output structure, can be used as PWM output pins) 1-bit ! 1 (CMOS input/output structure) 4-bit ! 1 (CMOS input/output structure, can be used as OSD output pin, INT input pin, serial input pin) 4-bit ! 1 (N-channel open-drain output structure, can be used as multi- master I2C-BUS interface) 8-bit ! 1 (CMOS input/output structure, can be used as A-D input pins) 2-bit ! 1 (CMOS input/output structure) 1-bit ! 1 (N-channel open-drain output structure) 5-bit ! 1 (can be used as A-D input pins, INT input pins, external clock input pins) 2-bit ! 1 (N-channel open-drain output structure when serial I/O is used, can be used as serial I/O pins) 1-bit ! 1 (N-channel open-drain output structure) 4-bit ! 1 (N-channel open-drain output structure, can be used as PWM output pins) 4-bit ! 1 (CMOS output structure, can be used as OSD output) 6-bit ! 1 (N-channel open-drain output) 1-bit ! 1 (can be used as sub-clock input pin, OSD clock input pin) 1-bit ! 1 (CMOS output structure when LC is oscillating, can be used as sub-clock output pin, OSD clock output pin) 8-bit ! 1 1 4 channels (8-bit resolution) 8-bit ! 8 8-bit timer ! 6 128 levels (maximum) 1 External interrupt ! 3, Internal timer interrupt ! 6, Serial I/O interrupt ! 1, OSD interrupt ! 1, Multi-master I2C-BUS interface interrupt ! 1, Data slicer interrupt ! 1, f(XIN)/4092 interrupt ! 1, VSYNC interrupt ! 1, A- D conversion interrupt ! 1, BRK instruction interrupt ! 1 2 built-in circuits (externally connected a ceramic resonator or a quartz- crystal oscillator) Built in ROM RAM OSD ROM OSD RAM P00–P02, P04–P07 P03 P10, P15–P17 P11–P14 P2 P30, P31 P32 P40–P44 P45, P46 P47 P50, P51, P56, P57 P52–P55 P60–P62, P65–P67 P63 P64 Parameter Functions FUNCTIONS I/O I/O I/O I/O I/O I/O Output Input Input Output Output Output Output Input Input Number of basic instructions Instruction execution time Clock frequency Memory size Input/Output ports Serial I/O Multi-master I2C-BUS interface A-D converter PWM output circuit Timers Subroutine nesting Interrupt interval determination circuit Interrupt Clock generating circuit Data slicer |
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