HD6433802H Datasheet, PDF (72/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

[A: Prior to executing BCLR]
MOV. B #3F, R0L
MOV. B R0L, @RAM0
MOV. B R0L, @PCR3
The PCR3 value (H'3F) is written to a work area in memory
(RAM0) as well as to PCR3.
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
0
0
1
1
1
1
1
1
[B: BCLR instruction executed]
BCLR #1 , @RAM0
The BCLR instruction is executed designating the PCR3
work area (RAM0).
[C: After executing BCLR]
MOV. B @RAM0, R0L
MOV. B R0L, @PCR3
The work area (RAM0) value is written to PCR3.
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
0
1
PDR3
1
0
0
0
0
0
0
1
RAM0
0
0
1
1
1
1
0
1
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