HD6433802H Datasheet, PDF (70/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

[A: Prior to executing BSET]
MOV. B #81, R0L
MOV. B R0L, @RAM0
MOV. B R0L, @PDR3
The PDR3 value (H'81) is written to a work area in memory
(RAM0) as well as to PDR3
P3₇
Input/output Input
P3₆
Input
P3₅
P3₄
P3₃
P3₂
P3₁
—
Output Output Output Output Output —
Pin state Low level High level Low level Low level Low level Low level Low level —
PCR3
0
0
1
1
1
1
1
1
PDR3
1
0
0
0
0
0
0
1
RAM0
1
0
0
0
0
0
0
1
[B: BSET instruction executed]
BSET #1 , @RAM0
The BSET instruction is executed designating the PDR3
work area (RAM0).
[C: After executing BSET]
MOV. B @RAM0, R0L
MOV. B R0L, @PDR3
The work area (RAM0) value is written to PDR3.
P3₇
Input/output Input
P3₆
Input
P3₅
P3₄
P3₃
P3₂
P3₁
—
Output Output Output Output Output —
Pin state Low level High level Low level Low level Low level Low level High level —
PCR3
0
0
1
1
1
1
1
1
PDR3
1
0
0
0
0
0
1
1
RAM0
1
0
0
0
0
0
1
1
52