AD1849K Analog Devices, AD1849K Datasheet - Page 13

• Manufacturer Part Number: AD1849K
• Description: Serial-Port 16-Bit SoundPort Stereo Codec
• Manufacturer: Analog Devices

REV. 0
Control Byte 4, Test Register
ENL
ADL
Control Byte 5, Parallel Port Register
PIO1:0 Parallel I/O bits for system signaling. PIO bits do not affect Codec operation.
Control Byte 6, Reserved Register
Reserved bits should be written as 0.
Control Byte 7, Revision Register
REVID3:0
Control Byte 8, Reserved Register
Reserved bits should be written as 0.
Enable loopback testing:
Loopback mode:
0
1
0
1
Data 7
Data 7
Data 7
Data 7
Data 7
PIO1
39
31
23
15
0
0
0
0
7
Disabled
Enabled
Digital loopback from Data/Control receive to Data/Control transmit (D-D)
Analog loopback from DACs to ADCs (D-A-D)
Silicon revision identification. Reads greater than or equal to 0010 (i.e., 0010, 0011, etc.) for the AD1849K.
Data 6
Data 6
Data 6
Data 6
Data 6
PIO0
38
30
22
14
0
0
0
0
6
Data 5
Data 5
Data 5
Data 5
Data 5
37
29
21
13
0
0
0
1
0
5
Data 4
Data 4
Data 4
Data 4
Data 4
36
28
20
12
0
0
0
0
0
4
–13–
REVID3
Data 3
Data 3
Data 3
Data 3
Data 3
35
27
19
11
0
0
0
0
3
REVID2
Data 2
Data 2
Data 2
Data 2
Data 2
34
26
18
10
0
0
0
0
2
REVID1
Data 1
Data 1
Data 1
Data 1
Data 1
ENL
33
25
17
0
0
9
0
1
AD1849K
REVID0
Data 0
Data 0
Data 0
Data 0
Data 0
ADL
32
24
16
0
0
8
0
0