WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 274

• Manufacturer Part Number: WM8351CGEB/RV
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8351
Register 8Ch GPIO Function Select 1
w
REGISTER
ADDRESS
BIT
11:8
7:4
3:0
GP2_FN[3:0]
GP1_FN[3:0]
GP0_FN[3:0]
LABEL
DEFAULT
0000
0011
0011
0011
0001
0000
0001
0001
0011
0000
0000
0000
0000 = GPIO
0001 = P_CLK
0010 = VRTC
0011 = 32kHz
0100 = /MEMRST
Reset by state machine. Default held in metal mask.
GPIO2 alternate function:
Input:
0000 = GPIO
0001 = PWR_ON
0010 = /WAKEUP
0011 = 32KHZ
0100 = L_PWR3
Output:
0000 = GPIO
0001 = PWR_ON
0010 = VRTC
0011 = 32KHZ
0100 = /RST
Reset by state machine. Default held in metal mask.
GPIO1 alternate function:
Input:
0000 = GPIO
0001 = PWR_ON
0010 = /LDO_ENA
0011 = L_PWR2
0100 = /WAKEUP
Output:
0000 = GPIO
0001 = DO_CONF
0010 = /RST
0011 = /MEMRST
0100 = 32KHz
Reset by state machine. Default held in metal mask.
GPIO0 alternate function:
Input-
0000 = GPIO
0001 = PWR_ON
0010 = /LDO_ENA
0011 = L_PWR1
0100 = PWR_OFF
0101 = CHIP_RESET
Output:
0000 = GPIO
0001 = PWR_ON
0010 = VRTC
0011 = POR_B
0100 = /RST
Reset by state machine. Default held in metal mask.
DESCRIPTION
PD, April 2012, Rev 4.5
REFER TO
Production Data
274