wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 270

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

WM8351
Register 86h GPIO Configuration (i/o)
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REGISTER
REGISTER
ADDRESS
ADDRESS
R135 (87h)
GPIO Pin
Polarity /
Type
BIT
BIT
12
11
10
9
8
2
1
0
GP12_CFG
GP11_CFG
GP10_CFG
GP9_CFG
GP8_CFG
GP2_DIR
GP1_DIR
GP0_DIR
LABEL
LABEL
DEFAULT
DEFAULT
0
1
1
1
0
0
1
1
0
1
1
1
0
0
0
0
1
1
1
0
1
0
1
GPIO12 pin polarity/type:
Input:
0 = Active low
1 = Active high
Output:
0 = CMOS
1 = Open drain
Reset by state machine. Default held in metal mask.
GPIO11 pin polarity/type:
Input:
0 = Active low
1 = Active high
Output:
0 = CMOS
1 = Open drain
Reset by state machine. Default held in metal mask.
GPIO10 pin polarity/type:
Input:
0 = Active low
1 = Active high
Output:
0 = CMOS
1 = Open drain
Reset by state machine. Default held in metal mask.
GPIO9 pin polarity/type:
Input:
0 = Active low
1 = Active high
Output:
0 = CMOS
1 = Open drain
Reset by state machine. Default held in metal mask.
GPIO8 pin polarity/type:
Input:
0 = Active low
1 = Active high
Output:
GPIO2 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO1 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO0 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
Production Data
270