WM8961
Pre-Production
CHIP DEVICE ID
The device ID can be read back from register 1 bits [15:9]. (Note that writing to this register is also
used to configure the Right Input Volume)
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1 (01h)
Reset / ID
15:12
DEVICE_ID [3:0]
0000
Reading from this register will indicate device
family ID
Device ID: [3:0]
0000 = 1801
0001-1111 : unused
11:9
CHIP_REV[2:0]
010
Device Revision: [2:0]
000 = Rev A
001 = Rev B
010 = Rev C
011-111 : unused
Table 65 Chip Device ID
CHIP SOFTWARE RESET
The device can be reset by writing any value to register 15.
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R15 (0Fh) Software Reset
15:0
SW_RST_DEV_ID1
[15:0]
0x1801
Writing to this register resets all registers to their
default state = Software Reset
Read from register = Device number = 1801
Table 66 Chip Reset
PP, August 2009, Rev 3.1
w
80
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
