User Manual

DS671F2 37
CS4385
6. REGISTER DESCRIPTION
Note: All registers are read/write in I²C Mode and write only in SPI, unless otherwise noted.
6.1 Chip Revision (address 01h)
6.1.1 Part Number ID (PART) [Read Only]
00001- CS4385
Revision ID (REV) [Read Only]
000 - Revision A0
001 - Revision B0
Function:
This read-only register can be used to identify the model and revision number of the device.
6.2 Mode Control 1 (address 02h)
6.2.1 Control Port Enable (CPEN)
Default = 0
0 - Disabled
1 - Enabled
Function:
This bit defaults to 0, allowing the device to power-up in Stand-Alone Mode. The Control Port Mode can
be accessed by setting this bit to 1. This will allow the operation of the device to be controlled by the reg-
isters, and the pin definitions will conform to Control Port Mode. To accomplish a clean power-up, the user
should write this bit within 10 ms following the release of Reset.
6.2.2 Freeze Controls (FREEZE)
Default = 0
0 - Disabled
1 - Enabled
Function:
This funct ion allow s modif ications to be m ade to t he reg isters w ithout the ch anges ta king ef fect un til the
FREEZE is disabled. To make multiple changes in the Control port registers take effect simultaneously,
enable the FREEZE Bit, make all register changes, then Disable the FREEZE bit.
76543210
PA RT4 PART3 PART2 PART1 PART0 REV2 REV1 REV0
00001- - -
76543210
CPEN FREEZE DSD/PCM DAC4_DIS DAC3_DIS DAC2_DIS DAC1_D IS PDN
00000001