參數(shù)資料
型號: Z8018520FSC
廠商: ZILOG INC
元件分類: 微控制器/微處理器
英文描述: SMART PERIPHERAL CONTROLLERS
中文描述: MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 15/95頁
文件大小: 484K
代理商: Z8018520FSC
15
P R E L I M I N A R Y
Z80185/Z80195
S
MART
P
ERIPHERAL
C
ONTROLLES
DS971850301
Zilog
AC CHARACTERISTICS
(Continued)
General-Purpose I/O Timing Port Timing
Parameters referenced in Figure 15 appear in the following
Tables.
Note:
Port 2 timing is different, even when Bidirec-
tional Centronics feature is not in active use.
Figure 15. PORT Timing
T1
T2
TW
T3
T1
T2
TW
T3
T1
T2
TW
T3
0
A0-A7
/IORQ
D0-D7
/WR
Port
I/O Port Timing
(Output)
Port (Output)
Port Output Data 1 (Out)
Port Output Data 2 (In)
Port Output Data 1
(In)
(In) 'OO'H (Change Port To
Output)
Port Data Dir. Reg. Addr. (Input)
Port Data Reg. Addr. (Input)
Port Data Reg. Addr. (Input)
B7
B7
B7
B2
B3
B2
B3
B2
B6
B6
B6
A1
A1
A2
A0-A7
/IORQ
D0-D7
/WR
/RD
Port
Previous
Output
Port Input Data
1 (In)
Port Input Data
2 (In)
Port Data
2 Out
Port Data 1 (Out)
(In) 'FF'H (Change
Port To Input)
Port Data Dir. Reg.
Addr. (Input)
Port Data Reg.
Addr. (Input)
Port Data Reg.
I/O Port Timing (Input)
B4
B2
B4
B2
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