wm8961 Wolfson Microelectronics plc, wm8961 Datasheet - Page 80
wm8961
Manufacturer Part Number
wm8961
Description
Ultra-low Power Stereo Codec With 1w Stereo Class D Speaker Drivers And Ground Referenced Headphone Drivers
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8961.pdf
(116 pages)
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CHIP DEVICE ID
CHIP SOFTWARE RESET
w
WM8961
Table 65 Chip Device ID
Table 66 Chip Reset
R1 (01h)
Reset / ID
R15 (0Fh) Software Reset
REGISTER ADDRESS
REGISTER ADDRESS
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)
The device can be reset by writing any value to register 15.
15:12
11:9
15:0
BIT
BIT
SW_RST_DEV_ID1
[15:0]
DEVICE_ID [3:0]
CHIP_REV[2:0]
LABEL
LABEL
0000
010
0x1801
DEFAULT
DEFAULT
Reading from this register will indicate device
family ID
Device ID: [3:0]
0000 = 1801
0001-1111 : unused
Device Revision: [2:0]
000 = Rev A
001 = Rev B
010 = Rev C
011-111 : unused
Writing to this register resets all registers to their
default state = Software Reset
Read from register = Device number = 1801
DESCRIPTION
DESCRIPTION
PP, August 2009, Rev 3.1
Pre-Production
80
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