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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AT89C51ID2-RDTIM 데이터시트(PDF) 5 Page - ATMEL Corporation |
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AT89C51ID2-RDTIM 데이터시트(HTML) 5 Page - ATMEL Corporation |
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5 / 159 page  5 AT89C51ID2 4289A–8051–09/03 Table 2. C51 Core SFRs Mnemonic Add Name 76543210 ACC E0h Accumulator B F0h B Register PSW D0h Program Status Word CY AC F0 RS1 RS0 OV F1 P SP 81h Stack Pointer DPL 82h Data Pointer Low byte DPH 83h Data Pointer High byte Table 3. System Management SFRs Mnemonic Add Name 76543210 PCON 87h Power Control SMOD1 SMOD0 - POF GF1 GF0 PD IDL AUXR 8Eh Auxiliary Register 0 - - M0 XRS2 XRS1 XRS0 EXTRA M AO AUXR1 A2h Auxiliary Register 1 - - ENBOO T -GF3 0 - DPS CKRL 97h Clock Reload Register -------- CKSEL 85h Clock Selection Register ------- CKS OSCON 86h Oscillator Control Register ----- SCLKT0 OscBEn OscAEn Table 4. Interrupt SFRs Mnemonic Add Name 76543210 IEN0 A8h Interrupt Enable Control 0 EA EC ET2 ES ET1 EX1 ET0 EX0 IEN1 B1h Interrupt Enable Control 1 ----- ESPI EI2C EKBD IPH0 B7h Interrupt Priority Control High 0 - PPCH PT2H PSH PT1H PX1H PT0H PX0H IPL0 B8h Interrupt Priority Control Low 0 - PPCL PT2L PSL PT1L PX1L PT0L PX0L IPH1 B3h Interrupt Priority Control High 1 ----- SPIH IE2CH KBDH IPL1 B2h Interrupt Priority Control Low 1 ----- SPIL IE2CL KBDL |
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