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零件编号
产品描述 (功能)
Z80230 查看數據表(PDF) - Zilog
零件编号
产品描述 (功能)
生产厂家
Z80230
Zilog SCC Serial Communication Controller
Zilog
Z80230 Datasheet PDF : 317 Pages
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Application Note
The Z180™ Interfaced with the SCC at MHZ
(Continued)
Address
/IORQ
/SCCSEL
HC74 /Q
HCT164 /CLR
HCT164 CLK
HCT164 Q0
HCT164 Q1
/RD (or, /WR)
RD* Q1
*SCCSEL
/SCCRD /[(RD*
/Q1* SCCSEL)
+ RESET]
Data (RD)
/SCCWR
Data (RD)
6-42
T1
T2
Tw
T3
1
100 ns
6
70 ns max
28
55 ns max
50 ns max
28
11
10 ns min
20 ns max
20 ns max
10 ns max
10 ns max
10 ns max
10 ns max
10 ns max
20 ns max
20 ns max
20 ns max
20 ns max
9
55 ns max
13
55 ns max
15 ns max
15 ns max
120 ns max
15 ns max
30 ns ( > 0 ns)
200 ns typ. ( > 125 ns)
SCC
Valid Data
25
15
15 ns max
> 0 ns
> 25 ns
SCC
24
15 ns min
29
210 ns
Figure 14. Z180 to SCC Interface Logic (Example)
22
0 ns min
30
> 0 ns
UM010901-0601
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