UPD75316B datasheet(3/77 Pages) NEC

3 / 77 page

µPD75312B, 75316B

FUNCTION OUTLINE (2/2)

Function

• Clock timer

• 0.5-second time interval generation

• Count clock source: Main system clock and subsystem clock

switchable

• Clock fast count 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 first/MSB first switchable

Special bit manipulation memory: 16 bits

• Perfect for remote control application

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

Clock output (PCL):

Φ, 524, 262, 65.5 kHz (@ 4.19 MHz)

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

• External : 3

• Internal : 3

• External : 1

• Internal : 1

• Ceramic or crystal oscillator for main system clock oscillation: 4.194304 MHz

• Crystal oscillator for subsystem clock oscillation: 32.768 kHz

STOP/HALT mode

• 80-pin plastic QFP (14 x 14 mm)

• 80-pin plastic TQFP (Fine pitch) (12 x 12 mm)

Item

Timer

8-bit serial interface

Bit sequential buffer

Clock output function

Vectored interrupt

Test input

System clock oscillator

Standby

Package

3 channels

UPD75316B 数据表(PDF) 3 Page - NEC

UPD75316B 数据表(HTML) 3 Page - NEC

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