wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 274

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

WM8351
Register 8Dh GPIO Function Select 2
w
REGISTER
ADDRESS
BIT
7:4
3:0
GP5_FN[3:0]
GP4_FN[3:0]
LABEL
DEFAULT
0000
0001
0000
0000
0000
0000
0011
0001
0101 = MICSHT
0110 = ADCLRCLKB
Reset by state machine. Default held in metal mask.
GPIO5 alternate function:
Input:
0000 = GPIO
0001 = L_PWR1
0010 = ADCLRCLK
0011 = Hibernate (Edge)
0100 = PWR_OFF
0101 = Hibernate (Level)
Output:
0000 = GPIO
0001 = P_CLK
0010 = ADCLRCLK
0011 = 32kHz
0100 = /BATT_FAULT
0101 = MICSHT
0110 = ADA
0111 = CODEC_OPCLK
1010 = MICDET
Reset by state machine. Default held in metal mask.
GPIO4 alternate function:
Input:
0000 = GPIO
0001 = /MR
0010 = FLASH
0011 = Hibernate (level)
0100 = MASK
0101 = CHIP_RESET
Output:
0000 = GPIO
0001 = /MEMRST
0010 = ADA
0011 = FLASH_OUT
0100 = /VCC_FAULT
0101 = MICSHT
1010 = MICDET
Reset by state machine. Default held in metal mask.
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
Production Data
274