SN66021 查看數據表（PDF） - Sonix Technology Co., Ltd

零件编号

产品描述 (功能)

生产厂家

SN66021

4-Channel Speech Controller

Sonix Technology Co., Ltd 

SN66021

4-Channel Speech Controller

„ PIN ASSIGNMENT

Symbol

P10

P11

P12

P13

P20

P21

P22

P23

P30

P31

P32

P33

P40

P41

P42

P43

VDD

GND

I/O Function Description

I Bit0 of input port 1

I Bit1 of input port 1

I Bit2 of input port 1

I Bit3 of input port 1

I/O Bit0 of I/O port 2

I/O Bit1 of I/O port 2

I/O Bit2 of I/O port 2

I/O Bit3 of I/O port 2

I/O Bit0 of I/O port 3

I/O Bit1 of I/O port 3

I/O Bit2 of I/O port 3

I/O Bit3 of I/O port 3

O Bit0 of output port 4

O Bit1 of output port 4

O Bit2 of output port 4

O Bit3 of output port 4

I Positive power supply

I Negative power supply

OSC/XIN I Oscillator / Crystal In

XOUT O Crystal Out

CKSEL I Clock type select

‘L’ → RC oscillator

‘H’ →Crystal

VO1

(Internal pull low)

O D/A current output, for channel 1 and 2

VO2 O D/A current output, for channel 3 and 4

2

March 8, 2001

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