TC9028AP View Datasheet(PDF) - Toshiba

Part Name

Description

Manufacturer

TC9028AP

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

Toshiba 

Block Diagram

TC9028AP/AF

Pin Function

Pin No.

1

20

2

3

4

5 to 8

9 to 12

13 to 16

17

18

19

Symbol

VSS

VDD

XT

XT

RST

P00 to 03

P10 to 13

P20 to 23

P51

P52

P53

Pin Name

Function

Power supply

VDD = 2.0 V to 4.0 V, 3 V (typ.)

Output for osc.

Input for osc.

Reset input

Input port P0

I/O port P1

I/O port P2

Output port P51

Output port P52

Output port P53

Resonator connecting pins. Connects ceramic resonator with capacitor. Built-in

feedback resistance.

RST for going reset. Be held to “L”. (≥ 3 instruction cycles)

4bit input port. Built-in pulldown resistance.

4bit I/O ports with latch. Input/output mode can be specified by [MOV A, P]

instruction.

Built-in pulldown resistance.

Pch open drain output port.

High current output port. For driving indication LED.

High current output port. For driving infrared LED.

2

2002-04-19

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