AD1819A Analog Devices, AD1819A Datasheet - Page 8

• Manufacturer Part Number: AD1819A
• Description: ac '97 Soundport(r) Codec
• Manufacturer: Analog Devices

AD1819A
Digital I/O
Pin Name
XTL_IN
XTL_OUT
SDATA_OUT
BIT_CLK
SDATA_IN
SYNC
RESET
*Input if the AD1819A is configured as Slave 1 or Slave 2.
Daisy Chain Connections
Pin Name
CS0
CS1
CHAIN_IN
CHAIN_CLK
*Output when configured as Master. Input when configured as Slave 1 or Slave 2.
3
5
8
TQFP
2
6
10
11
TQFP
45
46
47
48
I/O
I
O
I
O/I*
O
I
I
I/O
I
I
I
I/O*
SDATA_OUT
SDATA_IN
PC_BEEP
XTL_OUT
BIT_CLK
XTL_IN
RESET
DV
DV
DV
DV
SYNC
DD1
DD2
SS1
SS2
NC = NO CONNECT
12
PIN FUNCTION DESCRIPTIONS
10
11
1
2
3
4
5
6
7
8
9
Bit Clock Input, 12.288 MHz Serial Data Clock. Daisy Chain Output Clock
Description
24.576 MHz Crystal or Clock Input
24.576 MHz Crystal Output
Serial Data Output. Serial, Time Division Multiplexed, AD1819A Input Stream
Serial Data Input. Serial, Time Division Multiplexed, AD1819A Output Stream
48 kHz Fixed Rate Sample Sync Clock
Reset. AC-Link Master Hardware Reset
Description
Daisy Chain Codec Select
Daisy Chain Codec Select
Daisy Chain Data Input
24.576 MHz Buffered Clock Input/Output
48 47 46 45 44
13 14 15 16 17 18 19 20 21 22 23 24
PIN CONFIGURATION
PIN 1
IDENTIFIER
48-Terminal TQFP
(Not to Scale)
(ST-48)
AD1819A
TOP VIEW
43 42 41 40
–8–
39 38 37
36
35
34
33
32
31
30
29
28
27
26
25
LINE_OUT_R
LINE_OUT_L
CX3D
RX3D
FILT_L
FILT_R
AFILT2
AFILT1
V
V
AV
AV
REFOUT
REF
SS1
DD1
REV. 0