參數(shù)資料
型號(hào): MR82C89/B
廠商: INTERSIL CORP
元件分類: 外設(shè)及接口
英文描述: 8 MHz, BUS ARBITER AND CONT SIG GEN, CQCC20
封裝: CERAMIC, LCC-20
文件頁(yè)數(shù): 12/14頁(yè)
文件大?。?/td> 279K
代理商: MR82C89/B
349
FIGURE 5. TYPICAL MEDIUM COMPLEXITY IOB SYSTEM
MULTI-MASTER
8089
IOP
AD0-AD15
A16-A19
READY
CLK
S0
S2
READY
CLK
AEN1
RDY1
AEN2
82C84A/85
IOB
AEN
82C89
CLK
S0-S2
ANYRQST
82C88
BUS
AEN
CLK
ALE
PDEN
ADDRESS
LATCH
OE
STB
82C82/
82C83H
(2 OR 3)
CLOCK
RDY2
STATUS (S0, S1, S2)
RESB
BUS
ARBITER
CONTROLLER
DEN DT/R
IOB
ADDRESS
LATCH
OE
STB
82C82/
82C83H
(2 OR 3)
TRANSCEIVER
OE
T
82C86H/
82C87H
(2)
OE
T
TRANSCEIVER
82C86H/
82C87H
(2)
XACK
SYSTEM BUS
MULTI-MASTER
CONTROL BUS
MULTI-MASTER
COMMAND BUS
MULTI-MASTER
ADDRESS BUS
MULTI-MASTER
DATA BUS
XCVR
DISABLE
VCC
I/O
DATA
BUS
I/O
ADDRESS
BUS
I/O
COMMAND
BUS
SYSTEM
M
U
L
T
I-M
AS
T
E
R
S
Y
S
T
E
M
BUS
I/O
BUS
XACK(I/O BUS)
PROCESSOR
LOCAL BUS
VCC
82C89
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