wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 273

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
Register 8Ch GPIO Function Select 1
w
REGISTER
REGISTER
ADDRESS
ADDRESS
R141 (8Dh)
Function
Select 2
GPIO
15:12
BIT
BIT
11:8
3:0
GP0_FN[3:0]
GP7_FN[3:0]
GP6_FN[3:0]
LABEL
LABEL
DEFAULT
DEFAULT
0011
0000
0000
0000
0000
0001
0000
0000
0000
0001
0000
0000
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.
GPIO7 alternate function:
Input:
0000 = GPIO
0001 = L_PWR3
0010 = MASK
0011 = Hibernate (level)
Output:
0000 = GPIO
0001 = P_CLK (1MHz)
0010 = /VCC_FAULT
0011 = /BATT_FAULT
0100 = MICDET
0101 = MICSHT
0110 = ADA
Reset by state machine. Default held in metal mask.
GPIO6 alternate function:
Input:
0000 = GPIO
0001 = L_PWR2
0010 = FLASH
0011 = Hibernate (Edge)
0100 = Hibernate (Level)
Output:
0000 = GPIO
0001 = /MEMRST
0010 = ADA
0011 = RTC
0100 = MICDET
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
WM8351
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