CAM35C44 View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
'CAM35C44' PDF : 50 Pages View PDF
GPx
ENABLE
1
GPx
OUT2
TABLE 30 - GPIO FUNCTIONAL DESCRIPTION
GPIOx PIN
I/O
DIRECTION COMMAND
GPx
DATA3
DESCRIPTION
1
1
0
0
Note1
Note2
Note3
1
OUTPUT
READ
CURRENT Output pin is active (driven),
VALUE
reads return last write.
WRITE
NEW VALUE Output pin is active (driven),
writes update data register.
0
INPUT
READ
CURRENT Input pin is active, reads
VALUE
return the current state of the
pin.
WRITE
NO EFFECT Input pin is active, writes
have no effect.
1
INPUT
READ
LAST VALUE Output pin is floating, reads
return last active state.
WRITE
NEW VALUE Output pin is floating, writes
update data register.
0
INPUT
READ
LAST VALUE Input pin is disabled, reads
return last enabled read
state.
WRITE
NO EFFECT Input pin is disabled, writes
have no effect.
This represents a GPIO Enable register bit. The GPIO Enable register is GP00 (see section
GPIOA Enable Register on page 34).
This represents a GPIO Direction register bit. The GPIO Direction register is GP04 (see
section GPIOA Direction Register on page 35).
This represents a GPIO Data register bit. The GPIO Data register is GP02 (see section
GPIOA Data Register on page 35).
33
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