參數(shù)資料
型號: MAR28155LXXXX
廠商: DYNEX SEMICONDUCTOR LTD
元件分類: 微控制器/微處理器
英文描述: 24 I/O, PIA-GENERAL PURPOSE, CQCC44
封裝: LCC-44
文件頁數(shù): 16/20頁
文件大?。?/td> 254K
代理商: MAR28155LXXXX
MA28155
5/20
Figure 6: Basic Input (Write) Timing Diagram
D4
D3
D1
D0
PORT A
PORT C
PORT B
PORT C
(UPPER)
(LOWER)
0
OUTPUT
0
1
OUTPUT
INPUT
0
1
0
OUTPUT
INPUT
OUTPUT
0
1
OUTPUT
INPUT
0
1
0
OUTPUT
INPUT
OUTPUT
0
1
0
1
OUTPUT
INPUT
OUTPUT
INPUT
0
1
0
OUTPUT
INPUT
OUTPUT
0
1
OUTPUT
INPUT
1
0
INPUT
OUTPUT
1
0
1
INPUT
OUTPUT
INPUT
1
0
1
0
INPUT
OUTPUT
INPUT
OUTPUT
1
0
1
INPUT
OUTPUT
INPUT
1
0
INPUT
OUTPUT
1
0
1
INPUT
OUTPUT
INPUT
1
0
INPUT
OUTPUT
1
INPUT
Table 2: Port Definition Mode 0 (See Also Figure 3)
Port Definition Mode 0
RD/WN set-up and hold time
DSN
RD/WN
CSN, A1, A0
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