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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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UPD17062 데이터시트(PDF) 56 Page - Renesas Technology Corp |
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UPD17062 데이터시트(HTML) 56 Page - Renesas Technology Corp |
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56 / 298 page  54 µPD17062 8. SYSTEM REGISTER (SYSREG) “System register” is the generic name for those registers directly related to CPU control. System registers are allocated at addresses 74H-7FH in data memory and can be referenced regardless of the bank specification. The system register types are as follows: Address register Window register Bank register Memory pointer enable flag Index register Data memory row address pointer General-purpose register pointer Program status word Fig. 8-1 Configuration of System Register b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 AR3 AR2 AR1 AR0 WR BANK IXH IXM MPH MPL IXL RPH RPL PSW 74H 75H 76H 77H 78H 79H 7AH 7BH 7CH 7DH 7EH 7FH 0 0 00 0 0 00 00 P 0 0 0 0 0 0 0 0 B C D C M P C Y ZI X E (IX) Address Register Symbol Bit Data Address register (AR) System register Window register (WR) Bank register (BANK) Index register (IX) Data memory row address pointer (MP) General- purpose register pointer (RP) Program status word (PSWORD) M E (MP) |
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