Hitachi H8/3692 User Manual
Rev. 1.0, 07/01, page 41 of 372
•
Prior to executing BCLR instruction
MOV.B #3F, R0L
MOV.B R0L, @RAM0
MOV.B R0L, @PCR5
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.
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
level
High
level
level
Low
level
level
Low
level
level
Low
level
level
Low
level
level
Low
level
level
Low
level
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 instruction
MOV.B @RAM0, R0L
MOV.B R0L, @PCR5
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
level
High
level
level
Low
level
level
Low
level
level
Low
level
level
Low
level
level
Low
level
level
High
level
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