WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 125

• Manufacturer Part Number: WM8351CGEB/RV
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Production Data
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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 70 Default GPIO Settings for Configuration Mode 11
Note that setting GP4_CFG = 1 results in Active Low function for /MR. Also, 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 11 are shown below in Table 70.
GP10_FN [3:0] = 0011
GP11_FN [3:0] = 0010
GP12_FN [3:0] = 0011
GP0_FN [3:0] = 0000
GP1_FN [3:0] = 0001
GP2_FN [3:0] = 0011
GP3_FN [3:0] = 0000
GP4_FN [3:0] = 0001
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
DEFAULT GPIO
FUNCTION
/WAKEUP
PWR_ON
LINE_SW
CH_IND
32kHz
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
/MR
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 High
Input, Active Low
GP10_DIR = 0
GP10_CFG =1
GP11_DIR = 1
GP11_CFG =1
GP12_DIR = 0
GP12_CFG =0
Output, CMOS
GP0_CFG =1
GP1_CFG =0
GP2_CFG =1
GP3_CFG =1
GP4_CFG =1
GP5_CFG =1
GP6_CFG =1
GP7_CFG =1
GP8_CFG =1
GP9_CFG =1
GP0_DIR = 1
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 = 1
DIRECTION
DEFAULT
(see note)
(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
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=0
GP4_PU=1
GP5_PD=0
GP5_PU=0
GP6_PD=0
GP6_PU=0
GP7_PD=0
GP7_PU=0
GP8_PD=0
GP8_PU=0
GP9_PD=0
GP9_PU=0
Pull-up
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 = 0
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
WM8351
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