upd17072 Renesas Electronics Corporation., upd17072 Datasheet - Page 62

Manufacturer Part Number

upd17072

Description

4-bit Single-chip Microcontroller With Hardware For Digital Tuning System

Manufacturer

Renesas Electronics Corporation.

Datasheet

1.UPD17072.pdf (226 pages)

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

UPD17072

Manufacturer:

NEC

Quantity:

10.3 General-Purpose Input Ports (P1A)

10.3.1 Configuration of input ports

The configuration of the input ports is illustrated below.

P1A (P1A3, P1A2, P1A1, P1A0)

High ON

resistance

To A/D converter

P1APLD3

P1APLD2

P1APLD1

P1APLD0

RESET

Write instruction

Read instruction

Port register

(1 bit)

PD17072,17073