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W742E816 Datasheet(PDF) 10 Page - Winbond |
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W742E816 Datasheet(HTML) 10 Page - Winbond |
10 / 58 page W742E/C816 - 10 - 0110 = ROM page 6 (3000H − 37FFH) 1110 = ROM page E (7000H − 77FFH) 0111 = ROM page 7 (3800H − 3FFFH) 1111 = ROM page F (7800H − 7FFFH) 5.3.2 ROM Addressing Mode 1. Direct Addressing Bit 14-0 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 PC 2. Far Jump or Call Bit 14-0 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 P3 P2 P1 P0 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 PC P0-3 is ROM page register(ROMPR) Example: MOV ROMPR, #I JMP Label_A or MOV ROMPR, #I CALL SUB_A 3. Conditional JMP Bit 14-0 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 0 0 0 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 PC jmp into the same page Example: JB0 Lable_A0 JB1 Lable_A1 JB2 Lable_A2 JB3 Lable_A3 JZ Label_Az JNZ Label_Anz JC Label_Ac JNC Label_Anc Deleted: SA5505 Deleted: W742C811 |
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