Rev. 1.0, 03/01, page
40
of
280
Prior to executing BCLR
MOV.B #3F, R0L
MOV.B R0L, @RAM0
MOV.B R0L, @PCR5
The PCR5 value (H'3F) is written to a work area in
memory (RAM0) as well as to PCR5.
P57
P56
P55
P54
P53
P52
P51
P50
Input/output
Input
Input
Output
Output
Output
Output
Output
Output
Pin state
Low
level
High
level
Low
level
Low
level
Low
level
Low
level
Low
level
Low
level
PCR5
0
0
1
1
1
1
1
1
PDR5
1
0
0
0
0
0
0
0
RAM0
0
0
1
1
1
1
1
1
BCLR instruction executed
BCLR #0, @RAM0
The BCLR instructions executed for the PCR5 work area
(RAM0).
After executing BCLR
MOV.B @RAM0, R0L
MOV.B R0L, @PCR5
The work area (RAM0) value is written to PCR5.
P57
P56
P55
P54
P53
P52
P51
P50
Input/output
Input
Input
Output
Output
Output
Output
Output
Output
Pin state
Low
level
High
level
Low
level
Low
level
Low
level
Low
level
Low
level
High
level
PCR5
0
0
1
1
1
1
1
0
PDR5
1
0
0
0
0
0
0
0
RAM0
0
0
1
1
1
1
1
0
Содержание H8/3670F-ZTAT HD64F3670
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