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18F8680 датащи(PDF) 55 Page - Microchip Technology |
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18F8680 датащи(HTML) 55 Page - Microchip Technology |
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55 / 496 page ![]() 2004 Microchip Technology Inc. DS30491C-page 53 PIC18F6585/8585/6680/8680 REGISTER 4-1: CONFIG3L CONFIGURATION BYTE FIGURE 4-3: MEMORY MAPS FOR PIC18F8X8X PROGRAM MEMORY MODES R/P-1 U-0 U-0 U-0 U-0 U-0 R/P-1 R/P-1 WAIT — — — — —PM1 PM0 bit 7 bit 0 bit 7 WAIT: External Bus Data Wait Enable bit 1 = Wait selections unavailable, device will not wait 0 = Wait programmed by WAIT1 and WAIT0 bits of MEMCOM register (MEMCOM<5:4>) bit 6-2 Unimplemented: Read as ‘0’ bit 1-0 PM1:PM0: Processor Data Memory Mode Select bits 11 = Microcontroller mode 10 = Microprocessor mode 01 = Microcontroller with Boot Block mode 00 = Extended Microcontroller mode Legend: R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’ - n = Value after erase ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown Microprocessor Mode 000000h 1FFFFFh External Program Memory External Program Memory 1FFFFFh 000000h On-Chip Program Memory Extended Microcontroller Mode Microcontroller Mode 000000h External On-Chip On-Chip Program Memory 1FFFFFh Reads 000800h 1FFFFFh 0007FFh Microprocessor with Boot Block Mode 000000h On-Chip Program Memory External Program Memory Memory Flash On-Chip Program Memory (No access) ‘0’s 010000h(2) 00FFFFh(2) External On-Chip Memory Flash On-Chip Flash External On-Chip Memory Flash 00BFFFh(1) 00C000h(1) 00FFFFh(2) 00BFFFh(1) 010000h(2) 00C000h(1) Note 1: PIC18F6585 and PIC18F8585. 2: PIC18F6680 and PIC18F8680. |
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