UPD753304P datasheet(2/56 Pages) NEC

Part #	UPD753304P

Description	4-BIT SINGLE-CHIP MICROCONTROLLER

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Manufacturer	NEC [NEC]

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µPD753304

FUNCTIONAL OUTLINE

Parameter

Function

Instruction execution time

• 1.1, 2.2, 4.4, 17.8

µs (@ 3.6 MHz with main system clock)

• 85.1

µs (@ 47 kHz with subsystem clock)

On-chip memory

ROM

4096

× 8 bits

RAM

256

× 4 bits

General-purpose register

• 4-bit operation: 8

× 4 banks

• 8-bit operation: 4

× 4 banks

CMOS

12

On-chip pull-up resistors which can be specified by software: 4

input/output

Also used for segment pins: 4

LCD controller/driver

• Segment selection:

20/24 segments (can be changed to CMOS input/output

port in 4 time-unit; max. 4)

• Display mode selection: Static 1/2 duty (1/2 bias)

1/3 duty (1/2 bias)

1/3 duty (1/3 bias)

1/4 duty (1/3 bias)

• LCD display modes can be selected by mask option

Timer

3 channels

• 8-bit timer counter: 1 channel (with subclock source input function)

• Basic interval timer/watchdog timer: 1 channel

• Watch timer: 1 channel

Clock output (PCL)

•

Φ, 3.6 MHz, 450 kHz, 225 kHz (@ 3.6 MHz with main system clock)

Buzzer output (BUZ)

• 2.94, 5.88, 47 kHz

(@ 47 kHz with subsystem clock)

• 1.76, 3.52, 28.13 kHz (@ 3.6 MHz with main system clock)

Vectored interrupts

External: 1, Internal: 2

Test input

Internal: 1

System clock oscillation circuit

• Main system clock oscillation RC oscillation circuit (with external resistor and

10 pF (typ.) on-chip capacitor)

• Subsystem clock oscillation RC oscillation circuit (with on-chip resistor and

capacitor)

Standby function

STOP mode/HALT mode

Supply voltage

VDD = 2.5 to 5.5 V

Operating ambient temperature

TA = –10 to +60

°C

Package

• Volume production product: Pellet/wafer

• ES product (for evaluation): 42-pin ceramic shrink DIP (600 mil)

Input/

output port

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UPD753304P Datasheet(PDF) 2 Page - NEC

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