WM8352 Datasheet, PDF (270/336 Pages) Wolfson Microelectronics plc – Wolfson AudioPlus™ Stereo CODEC with Power Management

WM8352
REGISTER BIT
ADDRESS
LABEL
4
GP4_DIR
3
GP3_DIR
2
GP2_DIR
1
GP1_DIR
0
GP0_DIR
Register 86h GPIO Configuration (i/o)
DEFAULT
0
1
1
1
1
0
0
0
0
1
1
1
0
1
0
1
DESCRIPTION
1 = Input
Reset by state machine. Default held in metal mask.
GPIO4 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
GPIO3 pin direction
0 = Output
1 = Input
Reset by state machine. Default held in metal mask.
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.
Production Data
REFER TO
REGISTER BIT
ADDRESS
R135 (87h) 12
GPIO Pin
Polarity /
Type
11
10
9
LABEL
DEFAULT
DESCRIPTION
REFER TO
GP12_CFG
GP11_CFG
GP10_CFG
GP9_CFG
0
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.
1
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.
1
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.
1
GPIO9 pin polarity/type:
1
Input:
0
0 = Active low
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PD, February 2011, Rev 4.4
270