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Appendix A: I/O Address Function
IO ADDRESS: 0ED0H~0EDFH
I/O port: 0ED0H addresses uses delivery internal data
1. MCU version byte
(8 bits)
I/O port : 0EDEH
Bit 7
Bit 6
Description
2. GAL version byte
(8 bits)
I/O port : 0EDFH
Bit 7
Bit 6
Description
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Bit 5
Bit 4
Bit 3
Bit 2
8 bits data (Bit 7 is highest bit of data)
Bit 5
Bit 4
Bit 3
Bit 2
8 bits data (Bit 7 is highest bit of data)
Bit 1
Bit 0
Bit 1
Bit 0
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VMC 3000/4000 Series User Manual
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