參數(shù)資料
型號(hào): W742E811
文件頁數(shù): 43/66頁
文件大?。?/td> 303K
代理商: W742E811
Preliminary W742C(E)811
Publication Release Date: May 1999
- 43 -
Revision A1
Signal
change
detector
PEF.4
D
ck
Q
R
PSR1.0
PSR1.2
D
ck
Q
R
DATA BUS
RD.0
PSR1.3
D
ck
Q
R
PEF.7
Reset
MOV PEF, #I
CLR PSR1
HCFD
Reset
CLR EVFD
EVFD
HEFD
Falling
Edge
detector
Falling
Edge
detector
Falling
Edge
detector
Falling
Edge
detector
SEF.4
SEF.5
SEF.6
SEF.7
To Wake Up Stop Mode
Signal
change
detector
D
ck
Q
R
PSR1.1
RD.1
PEF.5
Signal
change
detector
D
ck
Q
R
PEF.6
RD.2
Signal
change
detector
RD.3
PM0.3
PM0.3
PM0.3
PM0.3
Figure 5-15 Architecture of Input Ports RD
5.20.1 Port Status Register 1 (PSR1)
Port status register 1 is organized as 4-bit binary register (PSR1.0 to PSR1.3). PSR1 can be read or
cleared by the MOVA R, PSR1, and CLR PSR1 instructions. The bit descriptions are as follows:
R
R
R
R
0
1
2
3
PSR1
Note: R means read only.
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