wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 275

• Manufacturer Part Number: wm8352
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
REGISTER
Register 8Eh GPIO Function Select 3
w
ADDRESS
R142 (8Eh)
Function
Select 3
GPIO
15:12
11:8
BIT
7:4
3:0
GP11_FN[3:0]
GP10_FN[3:0]
GP9_FN[3:0]
GP8_FN[3:0]
LABEL
DEFAULT
0000
0010
0010
0010
0000
0011
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
WM8352
275