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S u b C o m p a c t B o a r d
D.1 DIO
The F75111 provides one serial access interface, I2C Bus, to
read/write internal registers. The address of Serial Bus is 0x6E
(0110_1110)
The related register for configuring DIO is list as follows:
Configuration and Control Register – Index 01h
Power-on default [7:0]=0000_1000b
Bit
Name
7
INIT
6
Reserved
5
EN_WDT10
4
Reserved
3
Reserved
2
Reserved
1
SMART_POW
R_MANAGEM
ENT
0
SOFT_POWR_
DOWN
GPIO2x Output Control Register – Index 20h
Power-on default [7:0]=0000_1000b
D-2
Appendix D DIO
R/W
PWR
R/W
VSB3V
R/W
VSB3V
R/W
VSB3V
R/W
VSB3V
R/W
VSB3V
R/W
VSB3V
R/W
VSB3V
R/W
VSB3V
G E N E - U 1 5 B
Description
Software reset for all registers
including Test Mode registers. Users
use only.
Enable Reset Out. If set to 1, enable
WDTOUT10# output. Default is
disable.
Set this bit to 1 will enable auto power
down mode, when all function are idle
then 20ms the chip will auto power
down, it will wakeup when GPIO state
change or read write register
Set this bit to 1 will power down all of
the analog block and stop internal
clock, write 0 to clear this bit or when
GPIO state change will auto clear this
bit to 0.
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