CXP846P48 datasheet(5/28 Pages) SONY

Part #	CXP846P48

Description	CMOS 8-bit Single Chip Microcomputer

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Manufacturer	SONY [Sony Corporation]

Direct Link	http://www.sony.co.jp

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CXP846P48

Serial clock I/O. (CH2)

Serial data input. (CH2)

Serial data output. (CH2)

Pin code

I/O

Functions

I/O

PG0 to PG7

(Port G)

8-bit I/O port. I/O can be set in a unit of single bits. Incorporation of pull-

up resistor can be set through the software in a unit of 4 bits.

(8 pins)

I/O

PH0 to PH7

(Port H)

8-bit I/O port. I/O can be set in a unit of single bits. Incorporation of pull-

up resistor can be set through the software in a unit of 4 bits.

(8 pins)

I/O/Input

PI0/INT0

to

PI4/INT4

I/O/I/O

I/O/Input

I/O/Output

PI5/SCK2

PI6/SI2

PI7/SO2

Input

Crystal connectors for system clock oscillation. When the clock is

supplied externally, input to EXTAL; opposite phase clock should be

input to XTAL.

EXTAL

Output

XTAL

Input

Crystal connectors for 32kHz timer/counter clock oscillation. For usage

as event counter, input to TEX, and open TX.

TEX

Output

TX

Input

Low-level active, system reset.

RST

Positive power supply pin for built-in PROM writing.

Connect to VDD for normal operation.

Vpp

Input

Reference voltage input for A/D converter.

AVREF

A/D converter GND.

AVss

Positive power supply.

VDD

GND.

Vss

(Port I)

8-bit I/O port. I/O can be

set in a unit of single

bits. Incorporation of

pull-up resistor can be

set through the software

in a unit of 4 bits.

(8 pins)

External interruption request inputs.

(5 pins)

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