SNC710 datasheet(4/16 Pages) SONIX

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SNC710

16-bit Voice Engine

3. PIN ASSIGNMENTS

Symbol

I/O

Function Description

P0.0~P0.15

I/O I/O Port 0

P1.0~P1.7

I Input Port 1

VDD

I Positive power supply for digital I/O pad

GND

I Negative power supply for digital I/O pad &core

CVDD

I Positive power supply for DSP core & AD bus interface

BP0

O PWM output 1

BN0

O PWM output 2

VO0

O DA0 converter output

XIN/VR1

I High clock crystal input /RC oscillator input

XOUT/VR2

I/O High clock crystal output/RC oscillator input

LXIN

I Low clock oscillator input

LXOUT

O Low clock oscillator output

CKSEL

I Crystal/RC oscillator system clock select

ALECLK

O System Clock output

CEB

O External ROM Enable , active low

READY

I/O Data Ready(I)/ Reset(O)

CLKIN

I Bus system clock in

CEIN

I External ROM enable in

AD[0..7]

I/O ROM Address/Data Bus (AD Bus)

RST

I Chip reset (active low)

TestM

I TEST pin

EXTM

I External ROM Share Mode

Ver. 1.3

April 3, 2003

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