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63
Input/Output Address Map
As with all standard PC/104 boards, the Input/Output (I/O) space is addressed by 10 address lines
(SA0-SA9). This allows 2
10
or 1024 distinct I/O addresses. Any add-on modules you install must
therefore use I/O addresses in the range 0-1024 (decimal) or 000-FFF (hex).
The table below lists I/O addresses reserved for the cpuModule.
If you add any PC/104 modules or other peripherals to the system you
must ensure they do not use reserved addresses listed below,
or malfunctions will occur.
I/O Addresses Reserved for the cpuModule
Address Range
Bytes
Device
000H-00FH
16
DMA Controller
010H-01FH
16
Reserved for CPU
020H-021H
2
Interrupt Controller #1
022H-02FH
13
Reserved
040H-043H
4
Timer
060H-064H
5
Keyboard Interface
070H-071H
2
Real Time Clock port
080H-08FH
16
DMA page register
0A0H-0A1H
2
Interrupt controller #2
0C0H-0DFH
32
DMA controller #2
0F0H-0FFH
16
Math co-processor
1F0H-1FFH
16
Hard disk
1
2E8H-2EFH
8
Serial port
2
2F8H-2FFH
8
Serial port
2
378H-37FH
8
Parallel port
3
3BCH-3BFH
4
Parallel port
3
3E8H-3EFH
8
Serial port
2
3F0H-3F7H
8
Floppy disk
1
3F8H-3FFH
8
Serial port
2
Содержание CMV6486DX100HR
Страница 2: ......
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Страница 28: ...28 I O Connections...
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Страница 48: ...48 Configuring Hardware...
Страница 74: ...74 An example BASIC program illustrating EEPROM access is in the file CMV_EE BAS on the cpu Module utility disk...
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Страница 118: ...118 RTD Embedded Technologies Inc 103 Innovation Blvd State College PA 16803 0906 USA Our website www rtd com...