June 2012
Intermediate to advanced
528 pages
15h 40m
English
Content preview from Computers as Components, 3rd Edition
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2.4 PICmicro Mid-Range Family
The PICmicro line includes several different families of microprocessors. We will concentrate on the mid-range family, the PIC16F family, which has an 8-bit word size and 14-bit instructions.
2.4.1 Processor and Memory Organization
The PIC16F family has a Harvard architecture with separate data and program memories. Models in this family have up to 8,192 words of instruction memory held in flash. An instruction word is 14 bits long. Data memory is byte addressable. They may have up to 368 bytes of data memory in static random-access memory (SRAM) and 256 bytes of electrically-erasable programmable read-only memory (EEPROM) data memory.
Members of the family provide several low power features: a sleep mode, the ability ...