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Downloading HEX Files to External FLASH Memory Using PIC17CXXX PICmicro ® Microcontrollers

From Microchip Technology, Inc.
 

 
The PIC17CXXX devices have the capability to interface external FLASH memory into the 64K x 16 program memory space. Coupled with this feature is the ability to read and write to the entire program memory of the device. Using one of the standard serial interfaces on the PICmicro (USART, SPI, I 2 C), a complete hex file can be downloaded into the external FLASH memory by a bootloader program. The PIC17CXXX family consists of seven devices as shown in Table 1
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Topics of Interest
Many applications require the microcontroller to calculate a checksum on the program memory to determine if the contents have been corrupted. Until now, the only family of PICmicro ®... (Read More)
The PIC17CXXX family of PICmicro ® microcontrollers has an external program memory interface. Since the PIC17CXXX devices implement a 16-bit instruction word, the external memory must be 16-bits... (Read More)
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