FDC37C93XAPM View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
Manufacturer
FDC37C93XAPM
SMSC -> Microchip
FDC37C93XAPM Datasheet PDF : 280 Pages
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Table 106 - Auxilliary I/O, Logical Device 8 [Logical Device Number = 0x08]
NAME
REG INDEX
DEFINITION
STATE
GP11
Default = 0x01
on VTR POR
GP12
Default = 0x01
on VTR POR
0xE1 General Purpose I/0 bit 1.1
C
Bit[0] In/Out: =1 input, =0 Output
Bit[1] Polarity: =1 invert, =0 No invert
Bit[2] Int En
=1 Enable Combined IRQ
=0 Disable Combined IRQ
Bit[3-7] These bits are used for selection of the pin
function as follows:
Bit
7 6 5 4 3 Function Output Type IRQ Mapping
0 x x 0 0 GPIO
Push Pull
N/A
1 x x 0 0 GPIO
0 x x 1 0 IRQ13
1 x x 1 0 IRQ13
1 1 1 1 1 IRQIN
1 1 1 0 1 IRQIN
1 1 0 1 1 IRQIN
Open Collector
Push Pull
Open Collector
Push Pull
Push Pull
Push Pull
N/A
N/A
N/A
IRQ15
IRQ14
Reserved
.....
0 0 1 1 1 IRQIN
0 0 1 0 1 IRQIN
0 0 0 1 1 IRQIN
0 0 0 0 1 IRQIN
Push Pull
Push Pull
Push Pull
Push Pull
IRQ3
Reserved
IRQ1
Disable
0xE2 General Purpose I/0 bit 1.2
C
Bit[0] In/Out =1 Input, =0 Output
Bit[1] Polarity =1 Invert, =0 No Invert
Bit[2] Int En
=1 Enable Combined IRQ
=0 Disable Combined IRQ
Bit[3] Alt Func WDT output or IRRX input.
=1 Select alternate function
=0 Select basic I/O function
(IRRX - if bit-6 of the IR Options Register is set)
Bit[7:4] Reserved = 0000
229
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