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PIC18F4685-I/SP 데이터시트(PDF) 129 Page - Microchip Technology |
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PIC18F4685-I/SP 데이터시트(HTML) 129 Page - Microchip Technology |
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129 / 484 page ![]() © 2007 Microchip Technology Inc. Preliminary DS39761B-page 127 PIC18F2682/2685/4682/4685 9.5 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. REGISTER 9-13: RCON: RESET CONTROL REGISTER R/W-0 R/W-1(1) U-0 R/W-1 R-1 R-1 R/W-0(2) 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: BOR Software 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 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(2) 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: If SBOREN is enabled, its Reset state is ‘1’; otherwise, it is ‘0’. 2: The actual Reset value of POR is determined by the type of device Reset. See Register 4-1 for additional information. |
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