WM8352
Production Data
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
GPIO4 function definition
R141(8Dh)
3:0
GP4_FN Dependant on
[3:0]
CONFIG
settings
GPIO
function
select 2
Input
(GPn_DIR=1)
Output
(GPn_DIR=0)
0000
0001
0010
0011
GPIO
/MR
GPIO
/MEMRST
ADA
FLASH
HIBERNATE
(Level)
FLASH_OUT
0100
0101
1010
MASK
/VCC_FAULT
MICSHT
CHIP_RESET
MICDET
7:4
GP5_FN Dependant on
GPIO5 function definition
[3:0]
CONFIG
settings
Input
GPIO
Output
0000
0001
0010
0011
GPIO
P_CLK
L_PWR1
ADCLRCLK
ADCLRCLK
32kHz
HIBERNATE
(Edge)
0100
0101
PWR_OFF
/BATT_FAULT
MICSHT
HIBERNATE
(Level)
0110
0111
1010
-
-
-
ADA
CODEC_OPCLK
MICDET
11:8 GP6_FN Dependant on
GPIO6 function definition
[3:0]
CONFIG
settings
Input
GPIO
Output
0000
0001
0010
0011
GPIO
/MEMRST
ADA
L_PWR2
FLASH
HIBERNATE
(Edge)
RTC
0100
HIBERNATE
(Level)
MICDET
0101
0110
-
-
MICSHT
ADCLRCLKB
15:1 GP7_FN Dependant on
GPIO7 function definition
2
[3:0]
CONFIG
settings
Input
GPIO
Output
0000
0001
0010
0011
GPIO
P_CLK
L_PWR3
MASK
/VCCFAULT
/BATT_FAULT
HIBERNATE
(Level)
0100
0101
0110
1100
-
-
-
-
MICDET
MICSHT
ADA
FLL_CLK
Note: Undocumented combinations for GPn_FN (n = 4 to 7) are reserved
Table 127 GPIO Function Select 2
PD, February 2011, Rev 4.4
186
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
