wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 264

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

WM8351
Register 80h GPIO Debounce
w
REGISTER
REGISTER
ADDRESS
ADDRESS
R129 (81h)
GPIO Pin
Control
pull up
BIT
BIT
12
11
10
6
5
4
3
2
1
0
9
GP12_PU
GP11_PU
GP10_PU
LABEL
GP6_DB
GP5_DB
GP4_DB
GP3_DB
GP2_DB
GP1_DB
GP0_DB
LABEL
GP9_PU
DEFAULT
DEFAULT
1
1
1
1
1
1
1
0
0
0
0
Reset by state machine.
GPIO6 debounce
0 = GPIO is not debounced.
1 = GPIO is debounced (time from GP_DBTIME[1:0])
Reset by state machine.
GPIO5 debounce
0 = GPIO is not debounced.
1 = GPIO is debounced (time from GP_DBTIME[1:0])
Reset by state machine.
GPIO4 debounce
0 = GPIO is not debounced.
1 = GPIO is debounced (time from GP_DBTIME[1:0])
Reset by state machine.
GPIO3 debounce
0 = GPIO is not debounced.
1 = GPIO is debounced (time from GP_DBTIME[1:0])
Reset by state machine.
GPIO2 debounce
0 = GPIO is not debounced.
1 = GPIO is debounced (time from GP_DBTIME[1:0])
Reset by state machine.
GPIO1 debounce
0 = GPIO is not debounced.
1 = GPIO is debounced (time from GP_DBTIME[1:0])
Reset by state machine.
GPIO0 debounce
0 = GPIO is not debounced.
1 = GPIO is debounced (time from GP_DBTIME[1:0])
Reset by state machine.
GPIO12 pull-up
0 = Normal
1 = Pull-up enabled
(Only valid when GPIO12 is set to input. Do not select
pull-up and pull-down at the same time.)
Reset by state machine. Default held in metal mask.
GPIO11 pull-up
0 = Normal
1 = Pull-up enabled
(Only valid when GPIO11 is set to input. Do not select
pull-up and pull-down at the same time.)
Reset by state machine. Default held in metal mask.
GPIO10 pull-up
0 = Normal
1 = Pull-up enabled
(Only valid when GPIO10 is set to input. Do not select
pull-up and pull-down at the same time.)
Reset by state machine. Default held in metal mask.
GPIO9 pull-up
0 = Normal
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
Production Data
264