Nexcom EBC 580, User Manual

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EBC 580 User’s Manual
22
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DIMM1 (DDR Socket)
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GPIO ( Super I/O
：
W83697UF ).
Input W83697UF pin name Pin number
TIN0 GP17 121
TIN1 GP16 122
TIN2 GP15 123
TIN3 GP14 124
Output W83697UF pin name Pin number
TOUT0 GP13 125
TOUT1 GP12 126
TOUT2 GP11 127
TOUT3 GP10 128
◎
JP19 (Power LED)
Pin NO. Description Pin NO. Description
1 +5V 2 GND
◎
SW1 (COM2 Mode Select)
NO. 1 2 3 4 5 6 7 8 9 10
RS 232 OFF OFF OFF ON OFF ON OFF OFF OFF OFF
RS 422 OFF OFF ON OFF ON OFF ON ON ON ON
RS 232 OFF OFF OFF ON OFF ON OFF OFF OFF OFF
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GPIO Programming guide
：
Logical Device 7
CRF0 (GP10-GP17 I/O selection register. Default 0xFF)
When set to a ’1’, the respective GPIO port is programmed as an input port. ?
When set to a ’0’, the respective GPIO port is programmed as an output port. ?
CRF1 (GP10-GP17 data register. Default 0x00)
If a port is programmed to be an output port, its respective bit can be read/written.
If a port is programmed to be an input port, its respective bit can only be read.
CRF2 (GP10-GP17 inversion register. Default 0x00)
When set to a ‘1’, the incoming/outgoing port value is inverted.
When set to a ‘0’, the incoming/outgoing port value is the same as in the data register.
14 15 16 17 10 11 12 13
SIO_PORT EQU 2EH
SIO_ENTRY EQU 087H
SIO_EXIT EQU 0AAH