F81867 Datasheet, PDF (174/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

F81867
GPIO8 Scan Code 7 Control Register ⎯ Index BFh
Bit
Name
R/W Reset Default
Description
7
GP7_CTRL_EN R/W 5VSB 0 Set “1” will assert a left “Ctrl” key code first when scan code event occurred.
6
GP7_ALT_EN R/W 5VSB 0 Set “1” will assert a left “Alt” key code first when scan code event occurred.
5 GP7_SHIFT_EN R/W 5VSB 0 Set “1” will assert a left “Shift” key code first when scan code event occurred.
Set “1” will assert a left pre-code first when scan code 0 event occurred.
4
GP7_PRE_EN R/W 5VSB 0 When multiple keys are enabled, the sequence is “Ctrl” Æ “Alt” Æ “Shift” Æ
Pre-code Æ Make/Break code.
3-2 GP7_DELAY_TIME R/W 5VSB
The delay time for repeating the make code could be user defined. μC read
0 _{this register to determine the delay time.}
0
GP7_REP_TIME R/W 5VSB
0
The repeat time for repeating the make code could be user defined. μC read
this register to determine the delay time.
GPIO8 Function Select 1 Register ⎯ Index AEh
Bit
Name
R/W Reset Default
Description
7-6 GPIO83_FUNC_SEL R/W 5VSB
0 ^{These two bits are used for host and μC communication. μC could used}
these two bits to decide which function GOPIO83 is.
5-4 GPIO82_FUNC_SEL R/W 5VSB
0
These two bits are used for host and μC communication. μC could used
these two bits to decide which function GOPIO82 is.
3-2 GPIO81_FUNC_SEL R/W 5VSB
These two bits are used for host and μC communication. μC could used
0 _{these two bits to decide which function GOPIO81 is.}
1-0 GPIO80_FUNC_SEL R/W 5VSB
0
These two bits are used for host and μC communication. μC could used
these two bits to decide which function GOPIO80 is.
GPIO8 Function Select 2 Register ⎯ Index AFh
Bit
Name
R/W Reset Default
Description
7-6 GPIO87_FUNC_SEL R/W 5VSB
0 ^{These two bits are used for host and μC communication. μC could used}
these two bits to decide which function GOPIO87 is.
5-4 GPIO86_FUNC_SEL R/W 5VSB
0
These two bits are used for host and μC communication. μC could used
these two bits to decide which function GOPIO86 is.
3-2 GPIO85_FUNC_SEL R/W 5VSB
These two bits are used for host and μC communication. μC could used
0 _{these two bits to decide which function GOPIO85 is.}
1-0 GPIO84_FUNC_SEL R/W 5VSB
0
These two bits are used for host and μC communication. μC could used
these two bits to decide which function GOPIO84 is.
Remark:
GPIO also provides index/data port to access the whole GPIO registers. The index port is base address + 0 and
data port is base address + 1. The index for each register is the same as the one for configuration register. For
example, to write GPIO0 output enable register 0xAA, below is the procedure:
1. Write index port 0xF0.
2. Write data port 0xAA.
174
Dec, 2011
V0.12P