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WM8311 Datasheet(PDF) 145 Page - Wolfson Microelectronics plc

Part # WM8311
Description  Processor Power Management Subsystem
PDF  302 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8311 Datasheet(HTML) 145 Page - Wolfson Microelectronics plc

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Pre-Production
WM8311
w
PP, May 2012, Rev 3.1
145
If a GPIO is tri-stated (GPn_ENA = 0), then the read value of the corresponding GPn_LVL field is
invalid.
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R16396
(400Ch)
GPIO Level
15
GP16_LVL
0
GPIOn level.
When GPn_FN = 0h and GPn_DIR
= 0, write to this bit to set a GPIO
output.
Read from this bit to read GPIO
input level.
When GPn_POL is 0, the register
contains the opposite logic level to
the external pin.
14
GP15_LVL
0
13
GP14_LVL
0
12
GP13_LVL
0
11
GP12_LVL
0
10
GP11_LVL
0
9
GP10_LVL
0
8
GP9_LVL
0
7
GP8_LVL
0
6
GP7_LVL
0
5
GP6_LVL
0
4
GP5_LVL
0
3
GP4_LVL
0
2
GP3_LVL
0
1
GP2_LVL
0
0
GP1_LVL
0
Table 80 GPIO Level Register
The power domain for each GPIO is controlled using the GPn_PWR_DOM registers as described in
Table 81. The power domain for GPIO13 - GPIO16 is fixed; these pins are referenced to TPVDD.
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R16440
(4038h)
GPIO1 Control
11
GP1_PWR_DO
M
0
GPIO1 Power Domain select
0 = DBVDD
1 = VPMIC (LDO12)
R16441
(4039h)
GPIO2 Control
11
GP2_PWR_DO
M
0
GPIO2 Power Domain select
0 = DBVDD
1 = VPMIC (LDO12)
R16442
(403Ah)
GPIO3 Control
11
GP3_PWR_DO
M
0
GPIO3 Power Domain select
0 = DBVDD
1 = VPMIC (LDO12)
R16443
(403Bh)
GPIO4 Control
11
GP4_PWR_DO
M
0
GPIO4 Power Domain select
0 = DBVDD
1 = SYSVDD
R16444
(403Ch)
GPIO5 Control
11
GP5_PWR_DO
M
0
GPIO5 Power Domain select
0 = DBVDD
1 = SYSVDD
R16445
(403Dh)
GPIO6 Control
11
GP6_PWR_DO
M
0
GPIO6 Power Domain select
0 = DBVDD
1 = SYSVDD
R16446
(403Eh)
GPIO7 Control
11
GP7_PWR_DO
M
0
GPIO7 Power Domain select
0 = DBVDD
1 = VPMIC (LDO12)
R16447
(403Fh)
GPIO8 Control
11
GP8_PWR_DO
M
0
GPIO8 Power Domain select
0 = DBVDD
1 = VPMIC (LDO12)
R16448
(4040h)
GPIO9 Control
11
GP9_PWR_DO
M
0
GPIO9 Power Domain select
0 = DBVDD
1 = VPMIC (LDO12)



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