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: 6/15页
文件大小: 123K
代理商: IP82C89
4-348
FIGURE 4. TYPICAL MEDIUM COMPLEXITY CPU SYSTEM
CLOCK
GENERATOR
READY
CLK
X1
R82C84A/85
AEN2
RDY1
AEN1
X2
82C89
BUS
ARBITER
CLK
S0-S2
ANYRQST
IOB
RESB
AEN
82C88
BUS
CLK
ALE
DEN
AEN
IOB
DT/R
CONTROLLER
ADDRESS
LATCH
82C82/
82C83H
(2 OR 3)
OE
STB
TRANSCEIVER
82C86H/
82C87H
OE
DT/R
(2)
V
CC
PROCESSOR
LOCAL BUS
STATUS (S0, S1, S2)
XCVR
DISABLE
V
CC
XACK MULTI-MASTER
SYSTEM BUS
MULTI-MASTER
CONTROL BUS
MULTI-MASTER SYSTEM
COMMAND BUS
MULTI-MASTER SYSTEM
ADDRESS BUS
MULTI-MASTER SYSTEM
DATA BUS
M
80C86
CPU
AD0-AD15
A16-A19
READY
CLK
S0
S1
S2
82C89
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