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MCP19124 Datasheet(PDF) 136 Page - Microchip Technology |
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MCP19124 Datasheet(HTML) 136 Page - Microchip Technology |
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136 / 236 page  MCP19124/5 DS20005619A-page 136 2016 Microchip Technology Inc. FIGURE 20-2: BLOCK WRITES TO 8K FLASH PROGRAM MEMORY FIGURE 20-3: FLASH PROGRAM MEMORY LONG WRITE CYCLE EXECUTION 14 14 14 14 Program Memory Buffer Register PMADRL<1:0> = 00 Buffer Register PMADRL<1:0> = 01 Buffer Register PMADRL<1:0> = 10 Buffer Register PMADRL<1:0> = 11 PMDATL PMDATH 75 07 0 6 8 First word of block to be written If at new row sixteen words of Flash are erased, then four buffers are transferred to Flash automatically after this word is written. Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 BSF PMCON1,WR Executed here INSTR (PC + 1) Executed here PC + 1 Flash INSTR PMDATH, PMDATL INSTR (PC+3) INSTR NOP Executed here Flash Flash PMWHLT WR bit Processor halted EE Write Time PMADRH, PMADRL PC + 3 PC + 4 INSTR (PC + 3) Executed here ADDR DATA Memory Location ignored read PC + 2 INSTR (PC+2) (INSTR (PC + 2) NOP Executed here (PC) (PC + 1) |
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