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PIC12LF1571 Datasheet(PDF) 11 Page - Microchip Technology |
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PIC12LF1571 Datasheet(HTML) 11 Page - Microchip Technology |
11 / 32 page 2013 Microchip Technology Inc. DS40001713A-page 11 PIC12(L)F1571/2 4.3.1 LOAD CONFIGURATION The Load Configuration command is used to access the configuration memory (User ID Locations, Configuration Words, Calibration Words). The Load Configuration command sets the address to 8000h and loads the data latches with one word of data (see Figure 4-1). After issuing the Load Configuration command, use the Increment Address command until the proper address to be programmed is reached. The address is then programmed by issuing either the Begin Internally Timed Programming or Begin Externally Timed Programming command. The only way to get back to the program memory (address 0) is to exit Program/Verify mode or issue the Reset Address command after the configuration memory has been accessed by the Load Configuration command. FIGURE 4-1: LOAD CONFIGURATION 4.3.2 LOAD DATA FOR PROGRAM MEMORY The Load Data for Program Memory command is used to load one 14-bit word into the data latches. The word programs into program memory after the Begin Internally Timed Programming or Begin Externally Timed Programming command is issued (see Figure 4-2). FIGURE 4-2: LOAD DATA FOR PROGRAM MEMORY Note: Externally timed writes are not supported for Configuration and Calibration bits. Any externally timed write to the Configuration or Calibration Word will have no effect on the targeted word. X 00 LSb MSb 0 12 3 4 5 61 2 15 16 ICSPCLK ICSPDAT 0 0 0 0 TDLY ICSPCLK ICSPDAT 12 3 4 5 6 12 15 16 X 00 LSb MSb 0 0 1 0 0 TDLY |
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