DOC#: SP-AP-0774 (Rev. 0.2) Page 6 of 14
Byte 7: Vendor ID
Bit @Pup Name Description
7 0 Rev Code Bit 3 Revision Code Bit 3
6 1 Rev Code Bit 2 Revision Code Bit 2
5 0 Rev Code Bit 1 Revision Code Bit 1
4 0 Rev Code Bit 0 Revision Code Bit 0
3 1 Vendor ID bit 3 Vendor ID Bit 3
2 0 Vendor ID bit 2 Vendor ID Bit 2
1 0 Vendor ID bit 1 Vendor ID Bit 1
0 0 Vendor ID bit 0 Vendor ID Bit 0
Byte 8: Control Register 8
Bit @Pup Name Description
7 1 Device_ID3 RESERVED
6 0 Device_ID2 RESERVED
5 0 Device_ID1 RESERVED
4 0 Device_ID0 RESERVED
3 0 RESERVED RESERVED
2 0 RESERVED RESERVED
1 0 RESERVED RESERVED
0 0 RESERVED RESERVED
Byte 9: Control Register 9
Bit @Pup Name Description
7 0 RESERVED RESERVED
6 0 RESERVED RESERVED
5 1 RESERVED RESERVED
4 0 TEST _MODE_SEL Test mode select either REF/N or tri-state
0 = All outputs tri-state, 1 = All output REF/N
3 0 TEST_MODE_ENTRY Allows entry into test mode
0 = Normal Operation, 1 = Enter test mode(s)
2 1 I2C_VOUT<2> Amplitude configurations differential clocks
I2C_VOUT[2:0]
000 = 0.30V
001 = 0.40V
010 = 0.50V
011 = 0.60V
100 = 0.70V
101 = 0.80V (default)
110 = 0.90V
111 = 1.00V
1 0 I2C_VOUT<1>
0 1 I2C_VOUT<0>
Byte 10: Control Register 10
Bit @Pup Name Description
7 0 RESERVED RESERVED
6 0 RESERVED RESERVED
5 0 RESERVED RESERVED
4 0 RESERVED RESERVED
3 0 RESERVED RESERVED