UPD750104CUA datasheet(3/80 Pages) NEC

Part #	UPD750104CUA

Description	4 BIT SINGLE-CHIP MICROCONTROLLER

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Manufacturer	NEC [NEC]

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

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µPD750104, 750106, 750108, 750104(A), 750106(A), 750108(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, 125, 62.5, or 15.6 kHz (when the main system clock operates at 1.0 MHz)

•

Φ, 250, 125, or 31.3 kHz (when the main system clock operates at 2.0 MHz)

• 2, 4, or 32 kHz (when the subsystem clock operates at 32.768 kHz)

• 0.488, 0.977, or 7.813 kHz (when the main system clock operates at 1.0 MHz)

• 0.977, 1.953, or 15.625 kHz (when the main system clock operates at 2.0 MHz)

External :

3

Internal :

4

External :

1

Internal :

1

• RC oscillator for main system clock (with external resistor and capacitor)

• Crystal oscillator for subsystem clock

STOP/HALT mode

TA = -40 to +85

°C

VDD = 1.8 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

• 4, 8, 16, or 64

µs (when the main system clock operates at 1.0 MHz)

• 2, 4, 8, or 32

µs (when the main system clock operates at 2.0 MHz)

• 122

µs (when the subsystem clock operates at 32.768 kHz)

4,096

× 8 bits (

µPD750104)

6,144

× 8 bits (

µPD750106)

8,192

× 8 bits (

µPD750108)

512

× 4 bits

• When operating in 4 bits: 8

× 4 banks

• When operating in 8 bits: 4

× 4 banks

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UPD750104CUA Datasheet(PDF) 3 Page - NEC

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