UPD754264GS datasheet(2/68 Pages) NEC

Part #	UPD754264GS

Description	4-BIT SINGLE-CHIP MICROCONTROLLERS

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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µPD754264

Functional Outline

Parameter

Function

Instruction execution time

• 0.95, 1.91, 3.81, 15.3

µs (@ fX = 4.19-MHz operation)

• 0.67, 1.33, 2.67, 10.7

µs (@ fX = 6.0-MHz operation)

On-chip

Mask ROM

4096

× 8 bits (0000H-0FFFH)

memory

RAM

128

× 4 bits (000H-07FH)

EEPROM

32

× 8 bits (400H-43FH)

System clock oscillator

Crystal/ceramic oscillator

General-purpose register

• 4-bit operation: 8

× 4 banks

• 8-bit operation: 4

× 4 banks

Input/output

CMOS input

4

On-chip pull-up resistor can be specified by mask option.

port

CMOS input/output

9

On-chip pull-up resistor connection can be specified by means of software.

Total

13

Start-up time after reset

217/fX, 215/fX, 213/fX (selected by mask option)

Stand-by mode release time

220/fX, 217/fX, 215/fX, 213/fX (selected by the setting of BTM)

Timer

4 channels

• 8-bit timer counter

(can be used as 16-bit timer counter) : 3 channels

• Basic interval/watchdog timer

: 1 channel

A/D converter

8-bit resolution

× 2 channels (1.8 V ≤ AVREF ≤ VDD)

Bit sequential buffer

16 bits

Vectored interrupt

External: 1, Internal: 5

Test input

External: 1 (key return reset function available)

Standby function

STOP/HALT mode

Operating ambient temperature

TA = –40 to +85

°C

Operating supply voltage

VDD = 1.8 to 6.0 V

Package

20-pin plastic SOP (300 mil, 1.27-mm pitch)

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UPD754264GS Datasheet(PDF) 2 Page - NEC

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