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): 21/95頁
文件大小: 484K
代理商: Z8018520FSC
21
P R E L I M I N A R Y
Z80185/Z80195
S
MART
P
ERIPHERAL
C
ONTROLLES
DS971850301
Zilog
1
Valid ESCC
Addr * IORQ
/RD or
/WR
AC CHARACTERISTICS
(Continued)
EMSCC System Timing
20 MHz
No.
Symbol
Parameter
Min
Max
Notes
2
4
TdRxC(W)
TdRxC(INT)
/RxC to /Wait Inactive
/RxC to /INT Valid
13
15
18
22
[1,2]
[1,2]
6
8
TdTxC(W)
TdTxC(INT)
TdExT(INT)
/TxC to /Wait Inactive
/TxC to /INT Valid
/DCD or /CTS to /INT Valid
8
9
3
17
17
9
[1,3]
[1,3]
[1]
10
Notes:
[1] Open-drain output, measured with open-drain test load.
[2] /RxC is /RTxC or /TRxC, whichever is supplying the receive clock.
Figure 19. EMSCC External Bus Master Timing
External Bus Master Interface Timing
(SCC Related Timing)
Z80185 / Z80195
(20 MHz)
Min
Z80185 / Z80195
(33 MHz)
Min
No
Symbol
Parameter
Max
Max
Unit
Notes
1
TrC
Valid Access Recovery Time
4TcC
4TcC
ns
[1]
Notes:
[1] Applies only between transactions involving the EMSCC.
These AC parameter values are preliminary and subject to change
without notice.
T
CC
= EMSCC Clock Period Time
[3] /TxC is /TRxC or /RTxC, whichever is supplying the transmit clock.
[4] Units equal to TcPc
These AC parameter values are preliminary and subject to change
without notice.
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