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PIC18F4520E/MLQTP Datasheet(PDF) 255 Page - Microchip Technology |
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PIC18F4520E/MLQTP Datasheet(HTML) 255 Page - Microchip Technology |
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255 / 390 page  2004 Microchip Technology Inc. Preliminary DS39631A-page 253 PIC18F2420/2520/4420/4520 REGISTER 23-4: CONFIG3H: CONFIGURATION REGISTER 3 HIGH (BYTE ADDRESS 300005h) REGISTER 23-5: CONFIG4L: CONFIGURATION REGISTER 4 LOW (BYTE ADDRESS 300006h) R/P-1 U-0 U-0 U-0 U-0 R/P-0 R/P-1 R/P-1 MCLRE — — — — LPT1OSC PBADEN CCP2MX bit 7 bit 0 bit 7 MCLRE: MCLR Pin Enable bit 1 = MCLR pin enabled; RE3 input pin disabled 0 = RE3 input pin enabled; MCLR disabled bit 6-3 Unimplemented: Read as ‘0’ bit 2 LPT1OSC: Low-Power Timer1 Oscillator Enable bit 1 = Timer1 configured for low-power operation 0 = Timer1 configured for higher power operation bit 1 PBADEN: PORTB A/D Enable bit (Affects ADCON1 Reset state. ADCON1 controls PORTB<4:0> pin configuration.) 1 = PORTB<4:0> pins are configured as analog input channels on Reset 0 = PORTB<4:0> pins are configured as digital I/O on Reset bit 0 CCP2MX: CCP2 Mux bit 1 = CCP2 input/output is multiplexed with RC1 0 = CCP2 input/output is multiplexed with RB3 Legend: R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’ -n = Value when device is unprogrammed u = Unchanged from programmed state R/P-1 R/P-0 U-0 U-0 U-0 R/P-1 U-0 R/P-1 DEBUG XINST — — —LVP —STVREN bit 7 bit 0 bit 7 DEBUG: Background Debugger Enable bit 1 = Background debugger disabled, RB6 and RB7 configured as general purpose I/O pins 0 = Background debugger enabled, RB6 and RB7 are dedicated to In-Circuit Debug bit 6 XINST: Extended Instruction Set Enable bit 1 = Instruction set extension and Indexed Addressing mode enabled 0 = Instruction set extension and Indexed Addressing mode disabled (Legacy mode) bit 5-3 Unimplemented: Read as ‘0’ bit 2 LVP: Single-Supply ICSP Enable bit 1 = Single-Supply ICSP enabled 0 = Single-Supply ICSP disabled bit 1 Unimplemented: Read as ‘0’ bit 0 STVREN: Stack Full/Underflow Reset Enable bit 1 = Stack full/underflow will cause Reset 0 = Stack full/underflow will not cause Reset Legend: R = Readable bit C = Clearable bit U = Unimplemented bit, read as ‘0’ -n = Value when device is unprogrammed u = Unchanged from programmed state |
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