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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC18F242 датащи(PDF) 29 Page - Microchip Technology |
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PIC18F242 датащи(HTML) 29 Page - Microchip Technology |
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29 / 332 page  © 2006 Microchip Technology Inc. DS39564C-page 27 PIC18FXX2 TABLE 3-1: TIME-OUT IN VARIOUS SITUATIONS REGISTER 3-1: RCON REGISTER BITS AND POSITIONS TABLE 3-2: STATUS BITS, THEIR SIGNIFICANCE AND THE INITIALIZATION CONDITION FOR RCON REGISTER Oscillator Configuration Power-up(2) Brown-out Wake-up from SLEEP or Oscillator Switch PWRTE = 0 PWRTE = 1 HS with PLL enabled(1) 72 ms + 1024 TOSC + 2ms 1024 TOSC + 2 ms 72 ms(2) + 1024 TOSC + 2 ms 1024 TOSC + 2 ms HS, XT, LP 72 ms + 1024 TOSC 1024 TOSC 72 ms(2) + 1024 TOSC 1024 TOSC EC 72 ms — 72 ms(2) — External RC 72 ms — 72 ms(2) — Note 1: 2 ms is the nominal time required for the 4x PLL to lock. 2: 72 ms is the nominal power-up timer delay, if implemented. R/W-0 U-0 U-0 R/W-1 R-1 R-1 R/W-0 R/W-0 IPEN — —RI TO PD POR BOR bit 7 bit 0 Note 1: Refer to Section 4.14 (page 53) for bit definitions. Condition Program Counter RCON Register RI TO PD POR BOR STKFUL STKUNF Power-on Reset 0000h 0--1 1100 1 1 1 0 0 u u MCLR Reset during normal operation 0000h 0--u uuuu u u u u u u u Software Reset during normal operation 0000h 0--0 uuuu 0 u u u u u u Stack Full Reset during normal operation 0000h 0--u uu11 u u u u u u 1 Stack Underflow Reset during normal operation 0000h 0--u uu11 u u u u u 1 u MCLR Reset during SLEEP 0000h 0--u 10uu u 1 0 u u u u WDT Reset 0000h 0--u 01uu 1 0 1 u u u u WDT Wake-up PC + 2 u--u 00uu u 0 0 u u u u Brown-out Reset 0000h 0--1 11u0 1 1 1 1 0 u u Interrupt wake-up from SLEEP PC + 2(1) u--u 00uu u 1 0 u u u u Legend: u = unchanged, x = unknown, - = unimplemented bit, read as '0' Note 1: When the wake-up is due to an interrupt and the GIEH or GIEL bits are set, the PC is loaded with the interrupt vector (0x000008h or 0x000018h). |
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