wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 269

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

Production Data
Register 83h GPIO Interrupt Mode
Register 85h GPIO Control
REGISTER
w
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
Configuratio
R134 (86h)
R133 (85h)
Control
GPIO
n (i/o)
GPIO
BIT
BIT
BIT
12
11
10
9
8
7
6
5
7:6
0
GP_DBTIME[1:0]
GP0_INTMODE
GP12_DIR
GP11_DIR
GP10_DIR
GP9_DIR
GP8_DIR
GP7_DIR
GP6_DIR
GP5_DIR
LABEL
LABEL
LABEL
DEFAULT
DEFAULT
DEFAULT
0
1
1
0
0
0
1
1
0
1
1
1
1
1
1
00
0
GPIO12 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO11 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO10 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO9 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO8 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO7 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO6 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO5 pin direction
0 = Output
GPIO0 Pin Mode
0 = GPIO interrupt is rising edge triggered, and is
taken after the effect of the GP0_CFG register bit.
1 = GPIO interrupt is both rising and falling edge
triggered.
Reset by state machine.
Debounce time for all GPIO inputs
00 = 64us
01 = 0.5ms
10 = 1ms
11 = 4ms
Note: PWR_ON, PWR_OFF and /WAKEUP have
additional debounce times.
Reset by state machine.
DESCRIPTION
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
REFER TO
WM8352
269