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PIC16F688-I/ML датащи(PDF) 84 Page - Microchip Technology |
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PIC16F688-I/ML датащи(HTML) 84 Page - Microchip Technology |
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84 / 204 page ![]() PIC16F688 DS41203E-page 82 © 2009 Microchip Technology Inc. FIGURE 9-1: FLASH PROGRAM MEMORY READ CYCLE EXECUTION TABLE 9-1: SUMMARY OF REGISTERS ASSOCIATED WITH DATA EEPROM Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on POR, BOR Value on all other Resets EECON1 EEPGD — — — WRERR WREN WR RD x--- x000 0--- q000 EECON2 EEPROM Control Register 2 (not a physical register) ---- ---- ---- ---- EEADR EEADR7 EEADR6 EEADR5 EEADR4 EEADR3 EEADR2 EEADR1 EEADR0 0000 0000 0000 0000 EEADRH — — — — EEADRH3 EEADRH2 EEADRH1 EEADRH0 ---- 0000 ---- 0000 EEDAT EEDAT7 EEDAT6 EEDAT5 EEDAT4 EEDAT3 EEDAT2 EEDAT1 EEDAT0 0000 0000 0000 0000 EEDATH — — EEDATH5 EEDATH4 EEDATH3 EEDATH2 EEDATH1 EEDATH0 --00 0000 --00 0000 INTCON GIE PEIE T0IE INTE RABIE T0IF INTF RABIF 0000 000x 0000 000x PIE1 EEIE ADIE RCIE C2IE C1IE OSFIE TXIE TMR1IE 0000 0000 0000 0000 PIR1 EEIF ADIF RCIF C2IF C1IF OSFIF TXIF TMR1IF 0000 0000 0000 0000 Legend: x = unknown, u = unchanged, — = unimplemented read as ‘0’, q = value depends upon condition. Shaded cells are not used by data EEPROM module. Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 BSF EECON1,RD executed here INSTR(PC + 1) executed here Forced NOP executed here PC PC + 1 EEADRH,EEADR PC+3 PC + 5 Flash ADDR RD bit EEDATH,EEDAT PC + 3 PC + 4 INSTR (PC + 1) INSTR(PC - 1) executed here INSTR(PC + 3) executed here INSTR(PC + 4) executed here Flash Data EEDATH EEDAT Register EERHLT INSTR (PC) INSTR (PC + 3) INSTR (PC + 4) |
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