HD64F3687HV Datasheet, PDF (80/538 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Section 2 CPU
• Prior to executing BCLR instruction
MOV.B
MOV.B
MOV.B
#3F, R0L
R0L, @RAM0
R0L, @PCR5
The PCR5 value (H'3F) is written to a work area in
memory (RAM0) as well as to PCR5.
Input/output
Pin state
PCR5
PDR5
RAM0
P57
Input
Low
level
0
1
0
P56
Input
High
level
0
0
0
P55
Output
Low
level
1
0
1
P54
Output
Low
level
1
0
1
P53
Output
Low
level
1
0
1
P52
Output
Low
level
1
0
1
P51
Output
Low
level
1
0
1
P50
Output
Low
level
1
0
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
The work area (RAM0) value is written to PCR5.
Input/output
Pin state
PCR5
PDR5
RAM0
P57
Input
Low
level
0
1
0
P56
Input
High
level
0
0
0
P55
Output
Low
level
1
0
1
P54
Output
Low
level
1
0
1
P53
Output
Low
level
1
0
1
P52
Output
Low
level
1
0
1
P51
Output
Low
level
1
0
1
P50
Output
High
level
0
0
0
Rev.5.00 Nov. 02, 2005 Page 46 of 500
REJ09B0027-0500