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PIC12F683 Datasheet(PDF) 77 Page - Microchip Technology |
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PIC12F683 Datasheet(HTML) 77 Page - Microchip Technology |
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77 / 148 page  2004 Microchip Technology Inc. Preliminary DS41211B-page 75 PIC12F683 12.0 SPECIAL FEATURES OF THE CPU The PIC12F683 has a host of features intended to maximize system reliability, minimize cost through elimination of external components, provide power saving features and offer code protection. These features are: • Reset - Power-on Reset (POR) - Power-up Timer (PWRT) - Oscillator Start-up Timer (OST) - Brown-out Detect (BOD) • Interrupts • Watchdog Timer (WDT) • Oscillator Selection • Sleep • Code Protection • ID Locations • In-Circuit Serial Programming The PIC12F683 has two timers that offer necessary delays on power-up. One is the Oscillator Start-up Timer (OST), intended to keep the chip in Reset until the crys- tal oscillator is stable. The other is the Power-up Timer (PWRT), which provides a fixed delay of 64 ms (nomi- nal) on power-up only, designed to keep the part in Reset while the power supply stabilizes. There is also circuitry to reset the device if a brown-out occurs, which can use the Power-up Timer to provide at least a 64 ms Reset. With these three functions on-chip, most applications need no external Reset circuitry. The Sleep mode is designed to offer a very low-current Power-down mode. The user can wake-up from Sleep through: •External Reset • Watchdog Timer Wake-up • An interrupt Several oscillator options are also made available to allow the part to fit the application. The INTOSC option saves system cost while the LP crystal option saves power. A set of configuration bits are used to select various options (see Register 12-1). |
Similar Part No. - PIC12F683 |
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Similar Description - PIC12F683 |
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