UPD75306BGF datasheet(4/76 Pages) NEC

Part #	UPD75306BGF

Description	4-BIT SINGLE-CHIP MICROCOMPUTER

Download	76 Pages

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Manufacturer	NEC [NEC]

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

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4

µPD75304B,75306B,75308B

FUNCTION OUTLINE (2/2)

Function

• Watch timer

• 0.5 seconds time interval generation

• Count clock source: Main system clock and subsystem clock

switchable

• Fast watch mode (3.9 ms time interval generation)

• Buzzer output possible (2 kHz)

• Three modes application possible

• 3-wire serial I/O mode

• 2-wire serial I/O mode

• SBI mode

• LSB top/MSB top switchable

Special bit manipulation memory: 16 bits

• Perfect for remote control application

Timer/event counter output (PTO0): Arbitrary frequency square wave output

Clock output (PCL):

Φ, 524, 262, 65.5 kHz (4.19 MHz operation)

Buzzer output (BUZ): 2 kHz (4.19 MHz or 32.768 kHz operation)

• External: 3

• Internal: 3

• External: 1

• Internal: 1

• Main system clock oscillation ceramic/crystal oscillation circuit: 4.194304 MHz

• Subsystem clock oscillation crystal oscillation circuit: 32.768 kHz

STOP/HALT mode

• 80-pin plastic QFP (14

× 20 mm)

• 80-pin plastic QFP (s

s14 mm)

• 80-pin plastic TQFP (fine pitch) (s

s12 mm)

Item

Timer

8-bit serial interface

Bit sequential buffer

Clock output function

Vectored interrupt

Test input

System clock oscillator

Standby

Package

3 channels

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UPD75306BGF Datasheet(PDF) 4 Page - NEC

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