DA70131-1/3E
IV-14
2) When using only the lower 8 bytes in the address map
A read command is constructed as follows:
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
0
1
0
1
0
1
0
0
0
#
#
#
#
#
#
&
A write command is constructed as follows:
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
0
1
1
0
0
1
0
0
0
#
#
#
#
#
#
&
- Put the data in the I/O buffer and issue a write command.
- In order to read port 0 on device number 2, and then
read the I/O buffer.
- Discard the upper 8 bits.
- Issue a read command to read port 0 on device number
5, and then read the I/O buffer.
Start
End
Outpw (0x0004h, 0x1200h)
Outpw (0x0000h, 0x5404h)
Outpw (0x0004h, 0x5634h)
Outpw (0x0000h, 0x5405h)
Outpw (0x0000h, 0x6404h)
Data = Inpw (0x0004h)
Outpw (0x0000h, 0x640Ah)
Sts = Inpw (0x1140h)
Specify the address here.
Specify the address here.
When accessing ports 0 and 1: 0.
When accessing ports 2 and 3: 1.
Содержание Motionnet G9001A
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