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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC12F635E/ST датащи(PDF) 40 Page - Microchip Technology |
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PIC12F635E/ST датащи(HTML) 40 Page - Microchip Technology |
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40 / 196 page  PIC12F635/PIC16F636/639 DS41232B-page 38 Preliminary © 2005 Microchip Technology Inc. REGISTER 3-2: OSCCON – OSCILLATOR CONTROL REGISTER (ADDRESS: 8Fh) TABLE 3-2: SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES U-0 R/W-1 R/W-1 R/W-0 R-1 R-0 R-0 R/W-0 — IRCF2 IRCF1 IRCF0 OSTS(1) HTS LTS SCS bit 7 bit 0 bit 7 Unimplemented: Read as ‘0’ bit 6-4 IRCF<2:0>: Nominal Internal Oscillator Frequency Select bits 000 = 31 kHz 001 = 125 kHz 010 = 250 kHz 011 = 500 kHz 100 = 1 MHz 101 = 2 MHz 110 = 4 MHz 111 = 8 MHz bit 3 OSTS: Oscillator Start-up Time-out Status bit(1) 1 = Device is running from the external system clock defined by FOSC<2:0> 0 = Device is running from the internal system clock (HFINTOSC or LFINTOSC) bit 2 HTS: HFINTOSC (High Frequency – 8 MHz to 125 kHz) Status bit 1 =HFINTOSC is stable 0 = HFINTOSC is not stable bit 1 LTS: LFINTOSC (Low Frequency – 31 kHz) Stable bit 1 = LFINTOSC is stable 0 = LFINTOSC is not stable bit 0 SCS: System Clock Select bit 1 = Internal oscillator is used for system clock 0 = Clock source defined by FOSC<2:0> Note 1: Bit resets to ‘0’ with Two-Speed Start-up and LP, XT or HS selected as the Oscillator mode or Fail-Safe mode is enabled. Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ - n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on: POR, BOD, WUR Value on all other Resets 0Ch PIR1 EEIF LVDIF CRIF C2IF C1IF OSFIF — TMR1IF 0000 00-0 0000 00-0 8Ch PIE1 EEIE LVDIE CRIE C2IE C1IE OSFIE — TMR1IE 0000 00-0 0000 00-0 8Fh OSCCON — IRCF2 IRCF1 IRCF0 OSTS HTS LTS SCS -110 x000 -110 x000 90h OSCTUNE — — — TUN4 TUN3 TUN2 TUN1 TUN0 ---0 0000 ---u uuuu 2007h(1) CONFIG CPD CP MCLRE PWRTE WDTE FOSC2 FOSC1 FOSC0 — — Legend: x = unknown, u = unchanged, — = unimplemented locations read as ‘0’. Shaded cells are not used by oscillators. Note 1: See Register 12-1 for operation of all Configuration Word register bits. |
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