參數(shù)資料
型號(hào): W78958BF
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): 23/28頁(yè)
文件大?。?/td> 272K
代理商: W78958BF
W78958B
Publication Release Date: September 1997
- 23 -
Revision A3
Emulation Mode Cycle (Internal SFR/PC/RAM Access)
S2
S3
S4
S2
S2
S2
S4
S5
S6
S1
S2
XTAL1
ICESET
PSEN
high impedance
address
code
AP6<7:0>
AP5<7:0>
DP4<7:0>
EMU
AP5<7:0>
AP7<1> (ERD)
AP6<0>
address input
read data
address input
DP4<7:0>
AP7<0> (EWR)
AP6<0>
AP5<7:0>
DP4<7:0>
write data
address
first valid address starts here
after leaving emulation mode
T
AIS
T
AUH
T
IE
R
T
IUL
T
ERS
T
ERAQ
T
EARL
T
ERDV
T
ERDQ
T
EWDQ
T
EDWL
T
EWAQ
T
EAWL
T
EWS
for the second
(ignored) byte of NOP
ALE
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