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LF182X Datasheet(PDF) 11 Page - Microchip Technology |
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LF182X Datasheet(HTML) 11 Page - Microchip Technology |
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11 / 40 page  2010 Microchip Technology Inc. Advance Information DS41390C-page 11 PIC16F/LF182X/PIC12F/LF1822 REGISTER 3-3: CONFIGURATION WORD 2 R/P-1 R/P-1 U-1 R/P-1 R/P-1 R/P-1 U-1 LVP DEBUG — BORV STVREN PLLEN — bit 13 bit 7 U-1 U-1 R-1 U-1 U-1 R/P-1 R/P-1 — — RESERVED(2) — — WRT1 WRT0 bit 6 bit 0 Legend: W = Writable bit ‘0’ = Bit is cleared R = Readable bit ‘1’ = Bit is set x = Bit is unknown -n = Value at POR U = Unimplemented bit, read as ‘0’ P = Programmable Bit bit 13 LVP: Low-Voltage Programming Enable bit(1) 1 = Low-voltage programming enabled 0 = HV on MCLR/VPP must be used for programming bit 12 DEBUG: In-Circuit Debugger Mode bit 1 = In-Circuit Debugger disabled, ICSPCLK and ICSPDAT are general purpose I/O pins 0 = In-Circuit Debugger enabled, ICSPCLK and ICSPDAT are dedicated to the debugger bit 11 Unimplemented: Read as ‘1’ bit 10 BORV: Brown-out Reset Voltage Selection bit 1 = Brown-out Reset voltage set to 1.9V 0 = Brown-out Reset voltage set to 2.7V bit 9 STVREN: Stack Overflow/Underflow Reset Enable bit 1 = Stack overflow or underflow will cause a Reset 0 = Stack overflow or underflow will not cause a Reset bit 8 PLLEN: PLL Enable bit 1 = 4xPLL enabled 0 = 4xPLL disabled bit 7-5 Unimplemented: Read as ‘1’ bit 4 Reserved: Read as ‘1’(2) bit 3-2 Unimplemented: Read as ‘1’ bit 1-0 WRT<1:0>: Flash Memory Self-Write Protection bits 2 kW Flash memory (PIC16F1826/PIC16LF1826): 11 = Write protection off 10 = 000h to 1FFh write-protected, 200h to 7FFh may be modified by EECON control 01 = 000h to 3FFh write-protected, 400h to 7FFh may be modified by EECON control 00 = 000h to 7FFh write-protected, no addresses may be modified by EECON control 4 kW Flash memory (PIC16F1827/PIC16LF1827): 11 = Write protection off 10 = 000h to 1FFh write-protected, 200h to FFFh may be modified by EECON control 01 = 000h to 7FFh write-protected, 800h to FFFh may be modified by EECON control 00 = 000h to FFFh write-protected, no addresses may be modified by EECON control Note 1: The LVP bit cannot be programmed to ‘0’ when Programming mode is entered via LVP. 2: This bit must be programmed as a ‘1’. |
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