Hitachi H8/3672 Series Hardware Manual page 64

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