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参数资料
| 型号： | IP82C89 |
| 厂商： | HARRIS SEMICONDUCTOR |
| 元件分类： | 外设及接口 |
| 英文描述： | CMOS Bus Arbiter |
| 中文描述： | 8 MHz, BUS ARBITER AND CONT SIG GEN, PDIP20 |
| 文件页数： | 7/15页 |
| 文件大小： | 123K |
| 代理商： | IP82C89 |
4-349
FIGURE 5. TYPICAL MEDIUM COMPLEXITY IOB SYSTEM
SYSTEM BUS
8089
IOP
AD0-AD15
A16-A19
READY
CLK
S0
S2
READY
CLK
AEN1
82C84A/85
CLOCK
RDY1
AEN2
IOB
AEN
82C89
BUS
ARBITER
CLK
S0-S2
ANYRQST
82C88
BUS
AEN
CLK
ALE
PDEN
ADDRESS
LATCH
82C82/
82C83H
(2 OR 3)
OE
STB
RDY2
STATUS (S0, S1, S2)
RESB
CONTROLLER
DEN DT/R
IOB
ADDRESS
LATCH
82C82/
82C83H
(2 OR 3)
OE
STB
TRANSCEIVER
82C86H/
82C87H
(2)
OE
T
OE
T
TRANSCEIVER
82C86H/
82C87H
(2)
MULTI-MASTER
MULTI-MASTER
CONTROL BUS
MULTI-MASTER
SYSTEM
COMMAND BUS
MULTI-MASTER
SYSTEM
ADDRESS BUS
MULTI-MASTER
SYSTEM
DATA BUS
XCVR
DISABLE
V
CC
I/O
DATA
BUS
I/O
ADDRESS
BUS
I/O
COMMAND
BUS
M
I
XACK(I/O BUS)
PROCESSOR
LOCAL BUS
V
CC
82C89
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