W741L250 Datasheet, PDF (62/86 Pages) Winbond – 4-BIT MICROCONTROLLER

W741L250
Instruction Set Table 2, continued
Bit 0, bit 1, and bit 2 indirect addressing mode preselect bits:
bit2 bit1 bit0
0
0
0 ^{= Page 0 (00H to 0FH)}
0
0
1 ^{= Page 1 (10H to 1FH)}
0
1
0 ^{= Page 2 (20H to 2FH)}
0
1
1 ^{= Page 3 (30H to 3FH)}
1
0
0 ^{= Page 4 (40H to 4FH)}
1
0
1 ^{= Page 5 (50H to 5FH)}
1
1
0 ^{= Page 6 (60H to 6FH)}
1
1
1 = Page 7 (70H to 7FH)
MOV PEF, #I
Set/Reset Port Enable Flag
Machine Code:
Machine Cycle:
Operation:
Description:
01000011
0 0 0 0 I3 I2 I1 I0
1
Port enable flag control
The data specified by I can cause HOLD mode to be released or an
interrupt to occur. The signal change on port RC is specified.
I0 to I3 Signal change at port RC
I0 = 1
RC0
I1 = 1
RC1
I2 = 1
RC2
I3 = 1
RC3
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