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PIC18F258-E/LSQTP датащи(PDF) 48 Page - Microchip Technology |
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PIC18F258-E/LSQTP датащи(HTML) 48 Page - Microchip Technology |
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48 / 402 page ![]() PIC18FXX8 DS41159E-page 46 © 2006 Microchip Technology Inc. FIGURE 4-6: DATA MEMORY MAP FOR PIC18F258/458 Bank 0 Bank 1 Bank 14 Bank 15 Data Memory Map BSR<3:0> = 0000 = 0001 = 1110 = 1111 060h 05Fh F60h FFFh 00h 5Fh 60h FFh Access Bank Bank 4 Bank 3 Bank 2 F5Fh F00h EFFh 3FFh 300h 2FFh 200h 1FFh 100h 0FFh 000h = 0110 = 0101 = 0011 = 0010 Access RAM FFh 00h FFh 00h FFh 00h FFh 00h FFh 00h FFh 00h GPR GPR GPR GPR SFR SFR Access Bank high Access Bank low Bank 5 GPR GPR Bank 6 to 4FFh 400h 5FFh 500h 600h Unused Read ‘00h’ = 0100 (SFR) When a = 0, the BSR is ignored and the Access Bank is used. The first 96 bytes are general purpose RAM (from Bank 0). The next 160 bytes are Special Function Registers (from Bank 15). When a = 1, the BSR is used to specify the RAM location that the instruction uses. (GPR) |
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