wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 185

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

Production Data
w
R140 (8Ch
GPIO
function
select 1
Note: Undocumented combinations for GPn_FN (n = 0 to 3) are reserved
ADDRESS
R140 (8Ch
GPIO function
select 1
R141 (8Dh)
GPIO function
select 2
R142 (8Eh)
GPIO function
select 3
R143 (8Fh)
Table 124 Control Registers to Select GPIO Alternate Functions
Table 125 GPIO Function Select 1
ADDRESS
11:8
15:1
BIT
3:0
7:4
2
BIT
15:12
15:12
15:12
11:8
11:8
11:8
3:0
7:4
3:0
7:4
3:0
7:4
3:0
GP0_FN
[3:0]
GP1_FN
[3:0]
GP2_FN
[3:0]
GP3_FN
[3:0]
LABEL
GP0_FN
GP1_FN
GP2_FN
GP3_FN
GP4_FN
GP5_FN
GP6_FN
GP7_FN
GP8_FN
GP9_FN
GP10_FN
GP11_FN
GP12_FN
LABEL
Dependant on
CONFIG
settings
Dependant on
CONFIG
settings
Dependant on
CONFIG
settings
Dependant on
CONFIG
settings
DEFAULT
Dependan
t on
CONFIG
settings
DEFAULT
0000
0001
0010
0011
0100
0101
0000
0001
0010
0011
0100
0000
0001
0010
0011
0100
0000
0001
0010
0011
0100
Selects function of GPIO0
Selects function of GPIO1
Selects function of GPIO2
Selects function of GPIO3
Selects function of GPIO4
Selects function of GPIO5
Selects function of GPIO6
Selects function of GPIO7
Selects function of GPIO8
Selects function of GPIO9
Selects function of GPIO10
Selects function of GPIO11
Selects function of GPIO12
CHIP_RESET
(GPn_DIR=1)
GPIO0 function definition
GPIO1 function definition
GPIO2 function definition
GPIO3 function definition
/LDO_ENA
PWR_OFF
/LDO_ENA
/LDO_ENA
PWR_OFF
/WAKEUP
/WAKEUP
PWR_ON
PWR_ON
PWR_ON
PWR_ON
L_PWR1
L_PWR2
L_PWR3
FLASH
32kHz
GPIO
GPIO
GPIO
GPIO
Input
Input
Input
Input
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
(GPn_DIR=0)
DO_CONF
/MEMRST
/MEMRST
PWR_ON
PWR_ON
POR_B
P_CLK
Output
Output
Output
Output
32kHz
32kHz
32kHz
VRTC
VRTC
VRTC
GPIO
GPIO
GPIO
GPIO
WM8352
/RST
/RST
/RST
185