W741E20X Datasheet, PDF (56/84 Pages) Winbond – 4-BIT FLASH MICROCONTROLLER

Preliminary W741E20X
Instruction Set Table 2, continued
MOV PAGE, #I
Load immediate data to Page Register
Machine Code:
Machine Cycle:
Operation:
Description:
MOV PEF, #I
01010110
1 0 0 0 I3 I2 I1 I0
1
Page Register ← I
The immediate data I are loaded to the PR.
Bit 3 is reserved.
Bit 0, bit 1, and bit 2 indirect addressing mode preselect bits:
bit2 bit1 bit0
0
0
0 = Page 0 (00H~0FH)
0
0
1 = Page 1 (10H~1FH)
0
1
0 = Page 2 (20H~2FH)
0
1
1 = Page 3 (30H~3FH)
1
0
0 = Page 4 (40H~4FH)
1
0
1 = Page 5 (50H~5FH)
1
1
0 = Page 6 (60H~6FH)
1
1
1 = Page 7 (70H~7FH)
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~I7
I0 = 1
I1 = 1
I2 = 1
I3 = 1
Signal change at port RC
RC0
RC1
RC2
RC3
- 56 -