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PIC18F242 Datasheet(PDF) 198 Page - Microchip Technology |
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PIC18F242 Datasheet(HTML) 198 Page - Microchip Technology |
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198 / 332 page  PIC18FXX2 DS39564C-page 196 © 2006 Microchip Technology Inc. TABLE 19-1: CONFIGURATION BITS AND DEVICE IDS REGISTER 19-1: CONFIGURATION REGISTER 1 HIGH (CONFIG1H: BYTE ADDRESS 300001h) File Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Default/ Unprogrammed Value 300001h CONFIG1H — — OSCSEN — — FOSC2 FOSC1 FOSC0 --1- -111 300002h CONFIG2L — — — — BORV1 BORV0 BOREN PWRTEN ---- 1111 300003h CONFIG2H — — — — WDTPS2 WDTPS1 WDTPS0 WDTEN ---- 1111 300005h CONFIG3H — — — — — — — CCP2MX ---- ---1 300006h CONFIG4L DEBUG — — — —LVP —STVREN 1--- -1-1 300008h CONFIG5L — — — —CP3 CP2 CP1 CP0 ---- 1111 300009h CONFIG5H CPD CPB — — — — — — 11-- ---- 30000Ah CONFIG6L — — — — WRT3 WRT2 WRT1 WRT0 ---- 1111 30000Bh CONFIG6H WRTD WRTB WRTC — — — — — 111- ---- 30000Ch CONFIG7L — — — — EBTR3 EBTR2 EBTR1 EBTR0 ---- 1111 30000Dh CONFIG7H — EBTRB — — — — — — -1-- ---- 3FFFFEh DEVID1 DEV2 DEV1 DEV0 REV4 REV3 REV2 REV1 REV0 (1) 3FFFFFh DEVID2 DEV10 DEV9 DEV8 DEV7 DEV6 DEV5 DEV4 DEV3 0000 0100 Legend: x = unknown, u = unchanged, - = unimplemented, q = value depends on condition. Shaded cells are unimplemented, read as ‘0’. Note 1: See Register 19-12 for DEVID1 values. U-0 U-0 R/P-1 U-0 U-0 R/P-1 R/P-1 R/P-1 — — OSCSEN — — FOSC2 FOSC1 FOSC0 bit 7 bit 0 bit 7-6 Unimplemented: Read as ‘0’ bit 5 OSCSEN: Oscillator System Clock Switch Enable bit 1 = Oscillator system clock switch option is disabled (main oscillator is source) 0 = Oscillator system clock switch option is enabled (oscillator switching is enabled) bit 4-3 Unimplemented: Read as ‘0’ bit 2-0 FOSC2:FOSC0: Oscillator Selection bits 111 = RC oscillator w/ OSC2 configured as RA6 110 = HS oscillator with PLL enabled/Clock frequency = (4 x FOSC) 101 = EC oscillator w/ OSC2 configured as RA6 100 = EC oscillator w/ OSC2 configured as divide-by-4 clock output 011 = RC oscillator 010 = HS oscillator 001 = XT oscillator 000 = LP oscillator Legend: R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’ - n = Value when device is unprogrammed u = Unchanged from programmed state |
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