參數(shù)資料
型號(hào): UPD72042
廠商: NEC Corp.
英文描述: LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
中文描述: LSI器件間設(shè)備BusTM(IEBusTM)協(xié)議控制
文件頁(yè)數(shù): 85/92頁(yè)
文件大?。?/td> 373K
代理商: UPD72042
μ
PD72042
85
Data Sheet S14870EJ1V0DS00
Circuit connected to IEBus
Remark
Terminating resistor
Load capacitor
R
L
= 120
±
5%
C
g
Please use the capacitor on the bus line under 7000 pF (between the BUS+ pin and BUS– pin)
Therefore, the total load capacitance C
T
between the BUS+ pin and BUS– pin is as follows.
C
T
=
N
1
Σ
2
C
g
+ C
W
C
W
: Wiring capacitance
Cautions 1. The circuit constants in the above figure are applied when each unit connected to the IEBus
line uses the
μ
PD72042.
2. Do not insert inductive parts into the bus line.
μ
PD72042
BUS
+
C
g
C
g
R
L
R
L
BUS
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