WM1811A Datasheet, PDF (217/328 Pages) Wolfson Microelectronics plc – Multi-Channel Audio Hub CODEC for Smartphones

Production Data
WM1811A
SOFTWARE RESET AND DEVICE ID
The device ID can be read back from register R0. Writing to this register will reset the device.
The software reset causes all control registers to be reset to their default state.
The status of the WM1811A digital I/O pins following a software reset is described in Table 133.
The Customer ID and Device Revision can be read back from register R256.
REGISTER
ADDRESS
R0 (0000h)
Software
Reset
BIT
15:0
LABEL
SW_RESET
[15:0]
R256
(0100h)
Chip
Revision
15:8 CUST_ID [7:0]
3:0 CHIP_REV [3:0]
Table 134 Chip Reset and ID
DEFAULT
DESCRIPTION
1811h
Writing to this register resets all registers
to their default state.
Reading from this register will indicate
device ID 1811h.
Customer ID
Chip revision
w
PD, November 2013, Rev 4.1
217