HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 61

• Manufacturer Part Number: HD6433308
• Description: Hitachi Single-Chip MicroComputer
• Manufacturer: HITACHI [Hitachi Semiconductor]

Before Execution of BSET Instruction
MOV.B
MOV.B
MOV.B
Input/output
Pin state
DDR
DR
Pull-up Mos
RAM0
Execution of BSET Instruction
BSET.B
After Execution of BSET Instruction
MOV.B
MOV.B
Input/output
Pin state
DDR
DR
Pull-up Mos
RAM0
#80, R0L
R0L, @RAM0
R0L, @PORT4
@RAM0, R0L
R0L,
#0, @RAM0
@PORT4
P4
Input
Low
0
1
On
1
P4
Input
Low
0
1
On
1
7
7
P4
Input
High
0
0
Off
0
P4
Input
High
0
0
Off
0
6
6
;write data (H'80) for data register
;write to DR temporary register (RAM0)
;write to DR
;set bit 0 in DR temporary register (RAM0)
;obtain value of temporary register RAM0
;write value to DR
P4
Output Output Output Output Output Output
Low
1
0
Off
0
P4
Output Output Output Output Output Output
Low
1
0
Off
0
5
5
P4
Low
1
0
Off
0
P4
Low
1
0
Off
0
4
4
45
P4
Low
1
0
Off
0
P4
Low
1
0
Off
0
3
3
P4
Low
1
0
Off
0
P4
Low
1
0
Off
0
2
2
P4
Low
1
0
Off
0
P4
Low
1
0
Off
0
1
1
P4
1
0
Off
0
P4
1
1
Off
1
Low
High
0
0