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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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UPD6P8 bảng dữ liệu(PDF) 57 Page - Renesas Technology Corp |
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UPD6P8 bảng dữ liệu(HTML) 57 Page - Renesas Technology Corp |
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57 / 101 page  55 µPD6P8, 6P8A, 6P8B Data Sheet U17848EJ5V0DS 10.7 Branch Instructions The program memory consists of pages in steps of 1K (000H to 3FFH). However, as the assembler automatically performs page optimization, it is unnecessary to designate pages. The pages allowed for each product are as follows. µPD6P8, 6P8A, 6P8B (ROM: 2K steps): Pages 0, 1 JMP addr <1> Instruction code: Page 0 0100010001 ; page 1 0100110001 Page 2 0100010100 ; page 3 0100110100 a9 a7 a6 a5 a4 a8 a3 a2 a1 a0 <2> Cycle count: 1 <3> Function: PC ← addr The 10 bits (PC9-0) of the program counter are replaced directly by the specified address addr (a9 to a0). JC addr <1> Instruction code: Page 0 0110010001 ; page 1 0101010001 Page 2 0110010100 ; page 3 0101010100 a9 a7 a6 a5 a4 a8 a3 a2 a1 a0 <2> Cycle count: 1 <3> Function: if CY = 1 PC ← addr else PC ← PC + 2 If the carry flag CY is set (to 1), a jump is made to the address specified by addr (a9 to a0). JNC addr <1> Instruction code: Page 0 0110110001 ; page 1 0101110001 Page 2 0110110100 ; page 3 0101110100 a9 a7 a6 a5 a4 a8 a3 a2 a1 a0 <2> Cycle count: 1 <3> Function: if CY = 0 PC ← addr else PC ← PC + 2 If the carry flag CY is cleared (to 0), a jump is made to the address specified by addr (a9 to a0). JF addr <1> Instruction code: Page 0 0111010001 ; page 1 1000010001 Page 2 0111010100 ; page 3 1000010100 a9 a7 a6 a5 a4 a8 a3 a2 a1 a0 <2> Cycle count: 1 <3> Function: if F = 1 PC ← addr else PC ← PC + 2 If the status flag F is set (to 1), a jump is made to the address specified by addr (a9 to a0). |
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