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M37221FP Datasheet(PDF) 6 Page - Renesas Technology Corp |
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M37221FP Datasheet(HTML) 6 Page - Renesas Technology Corp |
6 / 112 page M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP Rev.1.00 Oct 01, 2002 page 6 of 110 REJ03B0134-0100Z Parameter Functions Number of basic instructions 71 Number of basic instructions 0.5 µs (the minimum instruction execution time, at 8 MHz oscillation fre quency) Instruction execution time 8 MHz (maximum) Memory size ROM M37221M4H-XXXSP/FP 16K bytes M37221M6H-XXXSP/FP 24K bytes M37221M8H-XXXSP/FP 32K bytes M37221MAH-XXXSP/FP, 40K bytes M37221EASP/FP RAM M37221M4H-XXXSP/FP 384 bytes (ROM correction memory included) M37221M6H-XXXSP/FP 448 bytes (ROM correction memory included) M37221M8H-XXXSP/FP 576 bytes (ROM correction memory included) M37221MAH-XXXSP/FP, 704 bytes (ROM correction memory included) M37221EASP/FP OSD ROM 8 K bytes OSD RAM 96 bytes tInput/Output ports P0 I/O 8-bit 5 1 (N-channel open-drain output structure, can be used as PWM output pins, INT input pins, A-D input pin) P10, P15–P17 I/O 4-bit ✕ 1 (CMOS input/output structure, can be used as OSD output pin, A-D input pins, INT input pin) P11–P14 I/O 4-bit ✕ 1 (CMOS input/output structure, can be used as multi-master I2C- BUS interface) P20, P21 I/O 2-bit ✕ 1 (CMOS input/output or N-channel open-drain output structure, can be used as serial I/O pins) P22–P27 I/O 6-bit ✕ 1 (CMOS input/output structure, can be used as serial input pin, timer external clock input pins) P30, P31 I/O 2-bit ✕ 1 (CMOS input/output or N-channel open-drain output structure, can be used as A-D input pins, D-A conversion output pins <Only M37221EASP/FP>) P32 I/O 1-bit ✕ 1 (N-channel open-drain output structure) P33, P34 Input 2-bit ✕ 1 (can be used as OSD display clock I/O pins) P52–P55 Output 4-bit ✕ 1 (CMOS output structure, can be used as OSD output pins) Serial I/O 8-bit ✕ 1 Multi-master I2C-BUS interface 1 (2 systems) A-D comparator 6 channels (6-bit resolution) D-A converter 2 (6-bit resolution) (Only M37221EASP/FP) PWM output circuit 14-bit ✕ 1, 8-bit ✕ 6 Timers 8-bit timer ✕ 4 ROM correction function 2 vectors Subroutine nesting M37221M4H/M6H-XXXSP/FP 96 levels (maximum) M37221M8H/MAH-XXXSP/FP, 128 levels (maximum) M37221EASP/FP Interrupt <14 sources> INT external interrupt ✕ 3, Internal timer interrupt ✕ 4, Serial I/O interrupt ✕ 1, OSD interrupt ✕ 1, Multi-master I2C-BUS interface interrupt ✕ 1, f(XIN)/4096 interrupt ✕ 1, VSYNC interrupt ✕ 1, BRK interrupt ✕ 1, Reset ✕ 1 Clock generating circuit 2 built-in circuits (externally connected a ceramic resonator or a quartz- crystal oscillator) 6. PERFORMANCE OVERVIEW Table 6.1 Performance Overview |
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