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UPD750004CU Datasheet(PDF) 3 Page - NEC |
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UPD750004CU Datasheet(HTML) 3 Page - NEC |
3 / 84 page 3 µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A) ROM RAM FUNCTIONS CMOS input CMOS I/O N-ch open drain I/O Total 8 18 8 34 Can incorporate 7 pull-up resistors that are specified with the software. Can directly drive the LED. Can incorporate 18 pull-up resistors that are specified with the software. Can directly drive the LED. Can withstand 13 V. Can incorporate pull-up resistors that are specified with the mask option. Serial interface Clock output (PCL) Buzzer output (BUZ) Vectored interrupt Test input System clock oscillator Standby Operating ambient temperature range Supply voltage Package Item Command execution time Internal memory General-purpose register I/O port Timer Bit sequential buffer (BSB) 4 channels • 8-bit timer/event counter: 1 channel • 8-bit timer counter: 1 channel • Basic interval timer/watchdog timer: 1 channel • lock timer: 1 channel • Three-wire serial I/O mode ... switchable between the start LSB and the start MSB • Two-wire serial I/O mode • SBI mode 16 bits • Φ, 524 kHz, 262 kHz, 65.5 kHz (when the main system clock operates at 4.19 MHz) • Φ, 750 kHz, 375 kHz, 93.8 kHz (when the main system clock operates at 6.0 MHz) • 2 kHz, 4 kHz, 32 kHz (when the main system clock operates at 4.19 MHz or when the subsystem clock operates at 32.768 kHz) • 2.93 kHz, 5.86 kHz, 46.9 kHz (when the main system clock operates at 6.0 MHz) External : 3 Internal : 4 External : 1 Internal : 1 • Ceramic or crystal oscillator for main system clock • Crystal oscillator for subsystem clock STOP/HALT mode TA = -40 to +85 °C VDD = 2.2 to 5.5 V 42-pin plastic shrink DIP (600 mil, 1.778 mm pitch) 44-pin plastic QFP (10 × 10 mm, 0.8 mm pitch) Function • 0.95, 1.91, 3.81, 15.3 µs (when the main system clock operates at 4.19 MHz) • 0.67, 1.33, 2.67, 10.7 µs (when the main system clock operates at 6.0 MHz) • 122 µs (when the subsystem clock operates at 32.768 kHz) 4096 × 8 bits ( µPD750004) 6144 × 8 bits ( µPD750006) 8192 × 8 bits ( µPD750008) 512 × 4 bits • When operating in 4 bits: 8 × 4 banks • When operating in 8 bits: 4 × 4 banks |
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