AT2004 Datasheet, PDF (3/25 Pages) List of Unclassifed Manufacturers – 4 Channels ADPCM Processor with Echo Cancellation and Conferencing

AT2004
4 Channels ADPCM Processor with Echo Cancellation and Conferencing
AT2004 PIN Assignment
AT2004 SOP Pin Assignment
28-PIN SOP
NC
1
RSTZ
2
TM0
3
TM1
4
NC
5
A0
6
A1
7
NC
8
NC
9
SYNC4 10
SYNC3 11
XTAL2 12
XTAL1 13
VSS1
14
28
VDD
27
YIN
26
CKLA
25
FSY
24
YOUT
23
SCSZ
22
SDI/SDO
21
SCLK
20
XOUT
19
VSS2
18
SYNC1
17
CLKP
16
XIN
15
SYNC2
1. When there are multiple AT2004 used on the same system, A1, A0 are used to identify the chip.
2. A1, A0 are for chip ID. Values are from 00 to 03. They should be connected to microcontroller I/O line or hard wired to either VCC or ground.
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©2001 Atelic System, Inc