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AT89C5132-ROTUL Folha de dados(PDF) 29 Page - ATMEL Corporation |
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AT89C5132-ROTUL Folha de dados(HTML) 29 Page - ATMEL Corporation |
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29 / 182 page  29 4173E–USB–09/07 AT89C5132 9. Special Function Registers The Special Function Registers (SFRs) of the AT89C5132 derivatives fall into the categories detailed in Table 15 to Table 30. The relative addresses of these SFRs are provided together with their reset values in Table 31. In this table, the bit-addressable registers are identified by Note 1. Table 15. C51 Core SFRs Mnemonic Add Name 7 6 5 4 3 2 1 0 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 16. System Management SFRs Mnemonic Add Name 7 6 5 4 3 2 1 0 PCON 87h Power Control SMOD1 SMOD0 - - GF1 GF0 PD IDL AUXR 8Eh Auxiliary Register 0 - EXT16 M0 DPHDIS XRS1 XRS0 EXTRAM AO AUXR1 A2h Auxiliary Register 1 - - ENBOOT - GF3 0 - DPS NVERS FBh Version Number NV7 NV6 NV5 NV4 NV3 NV2 NV1 NV0 Table 17. PLL and System Clock SFRs Mnemonic Add Name 7 6 5 4 3 2 1 0 CKCON 8Fh Clock Control - WDX2 - - - T1X2 T0X2 X2 PLLCON E9h PLL Control R1 R0 - - PLLRES - PLLEN PLOCK PLLNDIV EEh PLL N Divider - N6 N5 N4 N3 N2 N1 N0 PLLRDIV EFh PLL R Divider R9 R8 R7 R6 R5 R4 R3 R2 Table 18. Interrupt SFRs Mnemonic Add Name 7 6 5 4 3 2 1 0 IEN0 A8h Interrupt Enable Control 0 EA EAUD - ES ET1 EX1 ET0 EX0 IEN1 B1h Interrupt Enable Control 1 - EUSB - EKB EADC ESPI EI2C EMMC IPH0 B7h Interrupt Priority Control High 0 - IPHAUD - IPHS IPHT1 IPHX1 IPHT0 IPHX0 IPL0 B8h Interrupt Priority Control Low 0 - IPLAUD - IPLS IPLT1 IPLX1 IPLT0 IPLX0 IPH1 B3h Interrupt Priority Control High 1 - IPHUSB - IPHKB IPHADC IPHSPI IPHI2C IPHMMC IPL1 B2h Interrupt Priority Control Low 1 - IPLUSB - IPLKB IPLADC IPLSPI IPLI2C IPLMMC |
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