SNC745

16-bit Voice Processor

Ver. 1.3

October 23, 2002

2

3. PIN ASSIGNMENT

Symbol

I/O

Descriptions

P0.0 ~ P0.15

I/O I/O port 0

P1.0 ~ P1.7

I

Input port 1

CVDD

I

Positive power supply for core circuit

VDD

I

Positive power supply

GND

I

Negative power supply

BP0

O PWM output 1

BN0

O PWM output 2

VO

O DA output

XIN

I

High speed clock crystal input / RC-type oscillator input

XOUT

O High speed clock crystal output / RC-type oscillator input

LXIN

I

Low speed clock crystal input

LXOUT

O Low speed clock crystal output

CKSEL

I

Crystal/RC-type oscillator select for high speed clock

RST

I

Chip reset

TEST

I

For test only