參數(shù)資料
型號(hào): W78C31
廠商: WINBOND ELECTRONICS CORP
英文描述: 8-BIT EMULATION MICROCONTROLLER
中文描述: 8位單片機(jī)仿真
文件頁(yè)數(shù): 19/28頁(yè)
文件大小: 272K
代理商: W78C31
W78958B
Publication Release Date: September 1997
- 19 -
Revision A3
Program Fetch Cycle in Advanced Type
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Address Valid to
PSEN
Low
T
APL
2 T
CP
-
-
nS
PSEN
Low to Data Valid
T
PDV
-
-
2 T
CP
nS
Data Memory Read/Write Cycle in Advanced Type
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Address Valid to
RD
Low
T
ARL
4 T
CP
-
4 T
CP+
nS
RD
Low to Data Valid
T
RDV
-
-
4 T
CP
nS
Data Hold After
RD
High
T
RDQ
0
-
2 T
CP
nS
RD
Pulse Width
T
RS
6 T
CP-
6 T
CP
-
nS
Address Valid to
WR
Low
T
AWL
4 T
CP
-
4 T
CP+
nS
Data Valid to
WR
Low
T
DWL
1 T
CP
-
-
nS
Data Hold After
WR
High
T
WDQ
1 T
CP
-
-
nS
WR
Pulse Width
T
WS
6 T
CP-
6 T
CP
-
nS
Note: "
" (due to buffer driving delay and wire loading) is 20 nS.
Program Fetch Cycle in Standard Type
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Address Valid to
PSEN
Low
T
APL
2 T
CP
-
-
nS
Address Valid to Data Valid
T
ADV
-
-
4 T
CP
nS
Emulation Mode Cycle (Internal SFR/PC/RAM Access Only)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Address Valid to ICESET Set
T
AIS
-
-
6 T
CP
-50
nS
Address Valid to EMU High
T
AUH
-
6 T
CP
-
nS
ICESET Low to Emulation Mode Re-exit
T
IER
-
-
3 T
CP
nS
ICESET Low to EMU Low
T
IUL
-
-
11 T
CP
nS
Emu. Address Valid to AP7<1> Low
T
EARL
25
-
-
nS
AP7<1> Low to Data Valid
T
ERDV
-
25
-
nS
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