UPD750008CU データシートの表示（PDF） - NEC => Renesas Technology

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UPD750008CU

4 BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)

FUNCTIONS

Item

Function

Command execution

time

• 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)

Internal memory ROM 4096 × 8 bits (µPD750004)

6144 × 8 bits (µPD750006)

8192 × 8 bits (µPD750008)

RAM 512 × 4 bits

General-purpose

register

• When operating in 4 bits: 8 × 4 banks

• When operating in 8 bits: 4 × 4 banks

I/O port CMOS input 8 Can incorporate 7 pull-up resistors that are specified with the software.

CMOS I/O

18 Can directly drive the LED.

Can incorporate 18 pull-up resistors that are specified with the software.

N-ch open

drain I/O

8 Can directly drive the LED.

Can withstand 13 V.

Can incorporate pull-up resistors that are specified with the mask option.

Total

34

Timer

Serial interface

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

Bit sequential buffer (BSB) 16 bits

Clock output (PCL)

• 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)

Buzzer output (BUZ)

• 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)

Vectored interrupt

External : 3

Internal : 4

Test input

External : 1

Internal : 1

System clock oscillator

• Ceramic or crystal oscillator for main system clock

• Crystal oscillator for subsystem clock

Standby

Operating ambient

temperature range

STOP/HALT mode

TA = -40 to +85 °C

Supply voltage

VDD = 2.2 to 5.5 V

Package

42-pin plastic shrink DIP (600 mil, 1.778 mm pitch)

44-pin plastic QFP (10 × 10 mm, 0.8 mm pitch)

3

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