F81218 Datasheet, PDF (30/64 Pages) Feature Integration Technology Inc. – ISA/LPC to 6 UART Datasheet

F81218
0 : The CLKIN is 24MHz.
This bit must program to indicate the frequency of the clock source, or
the device will not function correctly.
6.1.6 GPIO Function Select Register ( ISA Interface Only ) – index 26h
Power-on default [7:0],0x00h
Bit
Name
R/W
Description
7:4 Reserved
R/W Return 0 when read.
3
GP16_SEL
R/W 1 : ISA_IRQF/GP16 functions as GPIO.
0 : ISA_IRQF/GP16 functions as ISA_IRQF.
In LPC mode , ISA_IRQF/GP16 functions as GP16
2
GP15_SEL
R/W 1 : ISA_IRQE/GP15 functions as GPIO.
0 : ISA_IRQE/GP15 functions as ISA_IRQE.
In LPC mode , ISA_IRQE/GP15 functions as GP15
1
GP27_SEL
R/W 1 : ISA_IRQD/GP26 functions as GPIO.
0 : ISA_IRQD/GP26 functions as ISA_IRQD.
In LPC mode , ISA_IRQD/GP27 functions as GP27
0
GP26_SEL
R/W 1 : ISA_IRQC/GP25 functions as GPIO.
0 : ISA_IRQC/GP25 functions as ISA_IRQC.
In LPC mode , ISA_IRQC/GP26 functions as GP26
6.1.7 Test Mode Register – index 2Fh
Power-on default [7:0], 0000_0000b
Bit
Name
R/W
Description
7:0 TESTMODE R/W Test mode register, reserved for Fintek use only.
-25-
August, 2007
V0.33P