wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 275
wm8351
Manufacturer Part Number
wm8351
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8351.pdf
(328 pages)
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Production Data
Register 8Eh GPIO Function Select 3
w
REGISTER
ADDRESS
R142 (8Eh)
Function
Select 3
GPIO
15:12
BIT
11:8
7:4
3:0
GP11_FN[3:0]
GP10_FN[3:0]
GP9_FN[3:0]
GP8_FN[3:0]
LABEL
DEFAULT
0000
0000
0010
0010
0000
0000
0000
0011
0000
0001
0000
0000
0000
0011
0000
0000
GPIO11 alternate function:
Input:
0000 = GPIO
0010 = /WAKEUP
Output:
0000 = GPIO
0001 = ISINKD
0010 = LINE_GT_BATT
0011 = CH_IND
Reset by state machine. Default held in metal mask.
GPIO10 alternate function:
Input:
0000 = GPIO
0011 = PWR_OFF
Output:
0000 = GPIO
0001 = ISINKC
0010 = LINE_GT_BATT
0011 = CH_IND
Reset by state machine. Default held in metal mask.
GPIO9 alternate function:
Input:
0000 = GPIO
0001 = HEARTBEAT
0010 = MASK
0011 = PWR_OFF
0100 = HIBERNATE (Level)
Output:
0000 = GPIO
0001 = /VCC_FAULT
0010 = LINE_GT_BATT
0011 = /BATT_FAULT
0100 = /MEMRST
Reset by state machine. Default held in metal mask.
GPIO8 alternate function:
Input:
0000 = GPIO
0001 = /MR
0010 = ADCBCLK
0011 = PWR_OFF
0100 = HIBERNATE (edge)
Output:
0000 = GPIO
0001 = /VCC_FAULT
0010 = ADCBCLK
0011 = /BATT_FAULT
0100 = /RST
Reset by state machine. Default held in metal mask.
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
WM8351
275
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