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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT83SND2CMP3B датащи(PDF) 31 Page - ATMEL Corporation |
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AT83SND2CMP3B датащи(HTML) 31 Page - ATMEL Corporation |
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31 / 241 page  31 4341F–MP3–03/06 AT8xC51SND2C/MP3B 8. Special Function Registers The Special Function Registers (SFRs) of the AT8xC51SND2C derivatives fall into the catego- ries detailed in Table 8-1 to Table . The relative addresses of these SFRs are provided together with their reset values in Table 8-19. In this table, the bit-addressable registers are identified by Note 1. Note: 1. ENBOOT bit is only available in AT89C51SND2C product. Table 8-1. 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 8-2. System Management SFRs Mnemonic Add Name 76543210 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( 1) -GF3 0 - DPS NVERS FBh Version Number NV7 NV6 NV5 NV4 NV3 NV2 NV1 NV0 Table 8-3. PLL and System Clock SFRs Mnemonic Add Name 76543210 CKCON 8Fh Clock Control ------- 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 R9R8R7R6R5R4R3R2 Table 8-4. Interrupt SFRs Mnemonic Add Name 76543210 IEN0 A8h Interrupt Enable Control 0 EA EAUD EMP3 ES ET1 EX1 ET0 EX0 IEN1 B1h Interrupt Enable Control 1 - EUSB - EKB - ESPI EI2C EMMC IPH0 B7h Interrupt Priority Control High 0 - IPHAUD IPHMP3 IPHS IPHT1 IPHX1 IPHT0 IPHX0 IPL0 B8h Interrupt Priority Control Low 0 - IPLAUD IPLMP3 IPLS IPLT1 IPLX1 IPLT0 IPLX0 IPH1 B3h Interrupt Priority Control High 1 - IPHUSB - IPHKB IPHADC IPHSPI IPHI2C IPHMMC |
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