Address bit 8
A24
A7
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Address bit 7
A25
A6
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Address bit 6
A26
A5
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Address bit 5
A27
A4
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Address bit 4
A28
A3
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Address bit 3
A29
A2
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Address bit 2
A30
A1
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Address bit 1
A31
A0
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Address bit 0
B1
GND
Ground
B2
RESET
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
Active high to reset or initialize system logIC
B3
+5V
+5 VDC
B4
IRQ2
Interrupt Request 2
B5
-5VDC
-5 VDC
B6
DRQ2
DMA Request 2
B7
-12VDC
-12 VDC
B8
/NOWS
No WaitState
B9
+12VDC
+12 VDC
B10
GND
Ground
B11
/SMEMW
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
System Memory Write
B12
/SMEMR
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
System Memory Read
B13
/IOW
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" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
I/O Write
B14
/IOR
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
I/O Read
B15
/DACK3
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
DMA Acknowledge 3
B16
DRQ3
DMA Request 3
B17
/DACK1
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
DMA Acknowledge 1
B18
DRQ1
DMA Request 1
B19
/REFRESH
![<- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowlr.gif" width=32 border=0>
Refresh
B20
CLOCK
![-- onload=]()
" src="mhtml:http://www.pp51.com/za/300/data/ISA .mht!http://www.hj-tech.com/file/sup/io/pcisa/gif/arrowr.gif" width=32 border=0>
System Clock (67 ns, 8-8.33 MHz, 50% duty cycle)
B21
IRQ7
Interrupt Request 7
B22
IRQ6
Interrupt Request 6
B23
IRQ5
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本文关键字：暂无联系方式各类接口资料，电子知识资料 - 各类接口资料
