Pre-Production
WM8904
SOFTWARE RESET AND CHIP ID
A Software Reset can be commanded by writing to Register R0. This is a read-only register field and
the contents will not be affected by writing to this Register.
The Chip ID can be read back from Register R0.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R0 (00h)
15:0
Writing to this register resets all
registers to their default state.
SW_RST_DE
V_ID1 [15:0]
8904h
SW Reset
and ID
Reading from this register will indicate
Device ID 8904h.
Table 94 Software Reset and Chip ID
PP, Rev 3.3, September 2012
137
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