WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 122
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WM8351CGEB/RV
Manufacturer Part Number
WM8351CGEB/RV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8351CGEBRV.pdf
(330 pages)
- Current page: 122 of 330
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WM8351
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Note: The alternate GPIO functions PWR_ON and /WAKEUP are system wakeup events. The debounce time of these
functions are determined by GP_DBTIME[1:0] + 40ms
GPIO PIN
GPIO10
GPIO11
GPIO12
GPIO2
GPIO3
GPIO0
GPIO1
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
DOMAIN
POWER
DBVDD
DBVDD
DBVDD
DBVDD
DBVDD
DBVDD
VRTC
VRTC
VRTC
VRTC
LINE
LINE
LINE
Table 68 Default GPIO Settings for Configuration Mode 10
Note that setting GP11_CFG = 1 results in Active Low function for /WAKEUP. In most cases, setting
GPn_CFG = 1 results in Active High function, but /MR, /WAKEUP and /LDO_ENA are exceptions to
this. See Section 20.
The default GPIO settings for configuration mode 10 are shown below in Table 68.
GP10_FN [3:0] = 0000
GP11_FN [3:0] = 0010
GP12_FN [3:0] = 0000
GP0_FN [3:0] = 0000
GP1_FN [3:0] = 0001
GP2_FN [3:0] = 0011
GP3_FN [3:0] = 0001
GP4_FN [3:0] = 0011
GP5_FN [3:0] = 0000
GP6_FN [3:0] = 0000
GP7_FN [3:0] = 0000
GP8_FN [3:0] = 0000
GP9_FN [3:0] = 0000
HIBERNATE Level
DEFAULT GPIO
FUNCTION
/WAKEUP
PWR_ON
PWR_ON
32kHz
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
Output, Open Drain
Output, Open Drain
Input, Active High
Input, Active High
Input, Active High
Input, Active High
Input, Active High
Input, Active High
Input, Active Low
Output, CMOS
Output, CMOS
GP10_DIR = 0
GP10_CFG =1
GP11_DIR = 1
GP11_CFG =1
GP12_DIR = 0
GP12_CFG =0
Output, CMOS
GP0_CFG =0
GP1_CFG =1
GP2_CFG =1
GP3_CFG =0
GP4_CFG =1
GP5_CFG =1
GP6_CFG =1
GP7_CFG =1
GP8_CFG =1
GP9_CFG =0
GP0_DIR = 0
GP1_DIR = 1
GP2_DIR = 0
GP3_DIR = 1
GP4_DIR = 1
GP5_DIR = 1
GP6_DIR = 1
GP7_DIR = 1
GP8_DIR = 1
GP9_DIR = 0
DIRECTION
DEFAULT
(see note)
DEFAULT PULL-UP /
Normal Mode
Normal Mode
Normal Mode
Normal Mode
Normal Mode
Normal Mode
Normal Mode
Normal Mode
Normal Mode
Normal Mode
Normal Mode
PULL-DOWN
GP10_PD=0
GP10_PU=0
GP11_PD=0
GP11_PU=0
GP12_PD=0
GP12_PU=0
GP0_PD=0
GP0_PU=0
GP1_PD=0
GP1_PU=0
GP2_PD=0
GP2_PU=0
GP3_PD=0
GP3_PU=0
GP4_PD=1
GP4_PU=0
GP5_PD=0
GP5_PU=0
GP6_PD=0
GP6_PU=0
GP7_PD=0
GP7_PU=0
GP8_PD=1
GP8_PU=0
GP9_PD=0
GP9_PU=0
Pull-down
Pull-down
PD, April 2012, Rev 4.5
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
Debounce enabled
GP10_DB = 1
GP11_DB = 1
GP12_DB = 1
DE-BOUNCE
GP0_DB = 1
GP1_DB = 1
GP2_DB = 1
GP3_DB = 1
GP4_DB = 1
GP5_DB = 1
GP6_DB = 1
GP7_DB = 1
GP8_DB = 1
GP9_DB = 1
DEFAULT
Production Data
122
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