參數(shù)資料
型號: ST10F269Z2Q3
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144
封裝: 28 X 28 MM, PLASTIC, QFP-144
文件頁數(shù): 55/160頁
文件大?。?/td> 1541K
代理商: ST10F269Z2Q3
ST10F269
148/160
Notes: 1. RW-delay and
t
A refer to the next following bus cycle.
2. Read data are latched with the same clock edge that triggers the address change and the rising RD edge. Therefore address
changes before the end of RD have no impact on read cycles.
3. Partially tested, guaranteed by design characterization.
t41 CC
Latched CS hold after RD, WR
2 + tF
TCL - 10.5 + tF
–ns
t82 CC
Address setup to RdCS, WrCS
(with RW-delay)
14.5 + 2tA
2 TCL - 10.5 +
2tA
–ns
t83 CC Address setup to RdCS, WrCS
(no RW-delay)
2 + 2tA
TCL - 10.5 + 2tA
–ns
t46 SR
RdCS to Valid Data In
(with RW-delay)
–4 + tC
2 TCL - 21 + tC
ns
t47 SR
RdCS to Valid Data In
(no RW-delay)
16.5 + tC
3 TCL - 21 + tC
ns
t48 CC
RdCS, WrCS Low Time
(with RW-delay)
15.5 + tC
2 TCL - 9.5
+ tC
–ns
t49 CC RdCS, WrCS Low Time
(no RW-delay)
28 + tC
3 TCL - 9.5 + tC
–ns
t50 CC Data valid to WrCS
10 + tC
2 TCL - 15 + tC
–ns
t51 SR
Data hold after RdCS
0–
0
ns
t53 SR
Data float after RdCS
(with RW-delay)
3
16.5 + tF
2 TCL - 8.5 + tF
ns
t68 SR
Data float after RdCS
(no RW-delay)
3
–4 + tF
TCL - 8.5 + tF
ns
t55 CC
Address hold after
RdCS, WrCS
-8.5 + tF
-8.5 + tF
–ns
t57 CC
Data hold after WrCS
2 + tF
TCL - 10.5 + tF
–ns
Table 36 : Demultiplexed Bus Characteristics
Symbol
Parameter
Maximum CPU Clock
= 40MHz
Variable CPU Clock
1/2 TCL = 1 to 40MHz
Unit
Minimum
Maximum
Minimum
Maximum
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