AD1819B
PIN CONFIGURATION
48-Terminal LQFP
(ST-48)
48 47 46 45 44 43 42 41 40 39 38 37
DV
1
2
DD1
36
35
LINE_OUT_R
PIN 1
IDENTIFIER
XTL_IN
LINE_OUT_L
CX3D
3
XTL_OUT
34
33
DV
4
SS1
RX3D
5
SDATA_OUT
BIT_CLK
FILT_L
32
31
AD1819B
TOP VIEW
(Not to Scale)
6
FILT_R
AFILT2
DV
7
30
29
SS2
8
SDATA_IN
AFILT1
DV
9
28
27
DD2
V
V
REFOUT
REF
10
11
12
SYNC
RESET
AV
26
25
SS1
DD1
PC_BEEP
AV
13 14 15 16 17 18 19 20 21 22 23 24
NC = NO CONNECT
PIN FUNCTION DESCRIPTIONS
Digital I/O
Pin Name
LQFP
I/O
Description
XTL_IN
2
I
24.576 MHz Crystal or Clock Input
XTL_OUT
SDATA_OUT
BIT_CLK
SDATA_IN
SYNC
3
5
6
8
10
11
O
I
O/I*
O
I
24.576 MHz Crystal Output
Serial Data Output. Serial, Time Division Multiplexed, AD1819B Input Stream
Bit Clock Input, 12.288 MHz Serial Data Clock. Daisy Chain Output Clock
Serial Data Input. Serial, Time Division Multiplexed, AD1819B Output Stream
48 kHz Fixed Rate Sample Sync Clock
RESET
I
Reset. AC-Link Master Hardware Reset
*Input if the AD1819B is configured as Slave 1 or Slave 2.
Daisy Chain Connections
Pin Name
LQFP
I/O
Description
CS0
CS1
CHAIN_IN
CHAIN_CLK
45
46
47
48
I
I
I
Daisy Chain Codec Select
Daisy Chain Codec Select
Daisy Chain Data Input
24.576 MHz Buffered Clock Input/Output
I/O*
*Output when configured as Master. Input when configured as Slave 1 or Slave 2.
REV. 0
–8–
ADI [ ADI ]
