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AT89C51AC3-RDTUM 数据表(PDF) 11 Page - ATMEL Corporation |
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AT89C51AC3-RDTUM 数据表(HTML) 11 Page - ATMEL Corporation |
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11 / 143 page  11 AT89C51AC3 4383B–8051–01/05 SFR Mapping The Special Function Registers (SFRs) of the AT89C51AC3 fall into the following categories: Mnemonic Add Name 765 432 10 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 LSB of DPTR ––– ––– –– DPH 83h Data Pointer High byte MSB of DPTR ––– ––– –– Mnemonic Add Name 765 432 10 P0 80h Port 0 ––– ––– –– P1 90h Port 1 ––– ––– –– P2 A0h Port 2 ––– ––– –– P3 B0h Port 3 ––– ––– –– P4 C0h Port 4 (x5) – – – P4.4 / MOSI P4.3 / SCK P4.2 / MISO P4.1 P4.0 Mnemonic Add Name 765 432 10 TH0 8Ch Timer/Counter 0 High byte ––– ––– –– TL0 8Ah Timer/Counter 0 Low byte ––– ––– –– TH1 8Dh Timer/Counter 1 High byte ––– ––– –– TL1 8Bh Timer/Counter 1 Low byte ––– ––– –– TH2 CDh Timer/Counter 2 High byte ––– ––– –– TL2 CCh Timer/Counter 2 Low byte ––– ––– –– TCON 88h Timer/Counter 0 and 1 control TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0 TMOD 89h Timer/Counter 0 and 1 Modes GATE1 C/T1# M11 M01 GATE0 C/T0# M10 M00 |
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