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| E202075_HD404889 Datasheet, PDF (168/202 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip LCD Circuit | |||
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HD404889/HD404899/HD404878/HD404868 Series
Instruction
[P]
Opcode
p3 p2 p1 p0
B register
Accumulator
00
B3 B2 B1 B0 A3 A2 A1 A0
Referenced ROM address RA13 RA12 RA11 RA10 RA9 RA8 RA7 RA6 RA5 RA4 RA3 RA2 RA1 RA0
Address Designation
ROM data
RO9 RO8 RO7 RO6 RO5 RO4 RO3 RO2 RO1 RO0
Accumulator, B register
B3
B2 B1 B0
A3
A2
A1
A
0
If RO8 = 1
ROM data
RO9 RO8 RO7 RO6 RO5 RO4 RO3 RO2 RO1 RO0
Output registers R1, R2 R23 R22 R21 R20 R13 R12 R11 R10 If RO9 = 1
Pattern Output
Figure 102 P Instruction
256 (n â 1) + 255
BR AAA 256n
AAA NOP
BR AAA 256n + 254
BR BBB 256n + 255
256 (n + 1)
BBB NOP
Figure 103 Branching when the Branch Destination is on a Page Boundary
166
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