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Appendix B: GPI/O Programming Guide
a
B: gPI/o P
PPendIx
GPI/O (General Purpose Input/Output) pins are provided for custom system design. This appendix provides definitions and its default setting for the ten GPI/O
pins in the EBC-358 series. The pin definition is shown in the following table:
Pin No. GPI/O mode PowerOn
Default
1
VCC
-
3
GPO0
HIGH
5
GPO1
HIGH
7
GPO2
HIGH
9
GPO3
HIGH
Control the GPO 0/1/2/3 level from I/O port A02h bit0 / A02h bit1 / A02h bit2 / A02h bit3.
The bit is Set/Clear indicated output High/Low
Read GPI 0/1/2/3 Set GPO3X
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rogrammIng
Address
Pin No. GPI/O mode PowerOn
-
2
GND
A02h (Bit0)
4
GPI0
A02h (Bit1)
6
GPI1
A02h (Bit2)
8
GPI2
A02h (Bit3)
10
GPI3
g
uIde
Address
Default
-
-
-
A02h (Bit4)
-
A02h (Bit5)
-
A02h (Bit6)
-
A02h (Bit7)
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EBC 358 User Manual
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