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PIC18F2525IP Scheda tecnica(PDF) 122 Page - Microchip Technology |
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PIC18F2525IP Scheda tecnica(HTML) 122 Page - Microchip Technology |
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122 / 412 page  PIC18F2525/2620/4525/4620 DS39626E-page 120 © 2008 Microchip Technology Inc. 10.5 RCON Register The RCON register contains flag bits which are used to determine the cause of the last Reset or wake-up from Idle or Sleep modes. RCON also contains the IPEN bit which enables interrupt priorities. The operation of the SBOREN bit and the Reset flag bits is discussed in more detail in Section 4.1 “RCON Register”. REGISTER 10-10: RCON: RESET CONTROL REGISTER R/W-0 R/W-1(1) U-0 R/W-1 R-1 R-1 R/W-0(1) R/W-0 IPEN SBOREN —RI TO PD POR BOR bit 7 bit 0 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 bit 7 IPEN: Interrupt Priority Enable bit 1 = Enable priority levels on interrupts 0 = Disable priority levels on interrupts (PIC16CXXX Compatibility mode) bit 6 SBOREN: Software BOR Enable bit(1) For details of bit operation, see Register 4-1. bit 5 Unimplemented: Read as ‘0’ bit 4 RI: RESET Instruction Flag bit For details of bit operation, see Register 4-1. bit 3 TO: Watchdog Timer Time-out Flag bit For details of bit operation, see Register 4-1. bit 2 PD: Power-Down Detection Flag bit For details of bit operation, see Register 4-1. bit 1 POR: Power-on Reset Status bit(1) For details of bit operation, see Register 4-1. bit 0 BOR: Brown-out Reset Status bit For details of bit operation, see Register 4-1. Note 1: Actual Reset values are determined by device configuration and the nature of the device Reset. See Register 4-1 for additional information. |
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