WM8351 Datasheet, PDF (315/330 Pages) Wolfson Microelectronics plc – Wolfson AudioPlus™ Stereo CODEC with Power Management

Production Data
REGISTER BIT
ADDRESS
LABEL
Register E6h GPIO Pin Status
DEFAULT
DESCRIPTION
Reads the logic level of GPIO pin
Writing ‘0’ clears GP0_EINT
Output-
Write sets the value to drive the GPIO pin
WM8351
REFER TO
REGISTER BIT
ADDRESS
R231 (E7h) 15
comparotor
overrides
14
13
11
10
9
8
LABEL
DEFAULT
DESCRIPTION
REFER TO
USB_FB_OVRDE
0
Readback of the raw signal value.
Allow direct control of this signal's input to
the debounce logic when the
ANALOG_OVRDE bit is set to 1.
WALL_FB_OVRDE
0
Readback of the raw signal value.
Allow direct control of this signal's input to
the debounce logic when the
ANALOG_OVRDE bit is set to 1.
BATT_FB_OVRDE
0
Readback of the raw signal value.
Allow direct control of this signal's input to
the debounce logic when the
ANALOG_OVRDE bit is set to 1.
CODEC_JCK_DET_L_OVRDE
0
Readback of the raw signal value.
Allow direct control of this signal's input to
the debounce logic when the
ANALOG_OVRDE bit is set to 1.
CODEC_JCK_DET_R_OVRDE
0
Readback of the raw signal value.
Allow direct control of this signal's input to
the debounce logic when the
ANALOG_OVRDE bit is set to 1.
CODEC_MICSCD_OVRDE
0
Readback of the raw signal value.
Allow direct control of this signal's input to
the debounce logic when the
ANALOG_OVRDE bit is set to 1.
CODEC_MICD_OVRDE
0
Readback of the raw signal value.
Allow direct control of this signal's input to
the debounce logic when the
ANALOG_OVRDE bit is set to 1.
Register E7h comparotor overrides
REGISTER
ADDRESS
R233 (E9h)
State
Machine
status
BIT
10:8
6:4
LABEL
DEFAULT
DESCRIPTION
REFER TO
USB_SM[2:0]
CHG_SM[2:0]
000
Readback tell you what state the USB state machine
is in. This is useful for debugging your setup.
0001 = 100mA Slave
0101 = 500mA Slave
0100 = Suspend
0010 = Master Line
0110 = Master DCDC
000
Readback tell you what state the Charger state
machine is in. This is useful for debugging your setup.
0000 = OFF
0001 = TRICKLE
0010 = TRICKLE_CHOKE
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PD, April 2012, Rev 4.5
315