PIC16F57 - Microchip Technology

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2007 Microchip Technology 1PIC16F57This document includes the programming specifications for the following devices: THE PIC16F57The PIC16F57 is programmed using a serial method. The Serial mode will allow the PIC16F57 to be programmed while in the user s system. This allows for increased design flexibility. This programming specification applies to PIC16F57 devices in all RequirementsThe PIC16F57 requires one power supply for VDD( ) and one for VPP (12V). ModeThe Program/Verify mode for the PIC16F57 allows programming of user program memory, special locations used for ID, and the Configuration Diagrams TABLE 1-1:PIN DESCRIPTIONS (DURING programming ): PIC16F572827262524232221201918171615 1234567891011121314PDIP, SOICMCLR/VPPOSC1/CLKINOSC2/CLKOUTRC7RC6R C5RC4RC3RC2RC1RC0RB7/ICSPDATRB6/ICSPCLKR B5T0CKIVDDVSSRA0RA1RA2RA3RB0RB1RB2RB3RB4 1234567891011121314282726252423222120191 8171615SSOPVDDVSST0CKIVDDN/CVSSN/CRA0RA1 RA2RA3RB0RB1RB2RB3RB4MCLR/VPPOSC1/CLKINO SC2/CLKOUTRC7RC6RC5RC4RC3RC2RC1RC0RB7/IC SPDATRB6/ICSPCLKRB5PIC16F57PIC16F57Pin NameDuring ProgrammingFunctionPin TypePin DescriptionRB6ICSPCLKIClock input Schmitt Trigger inputRB7ICSPDATI/OData input/output Schmitt Trigger inputMCLR/VPPProgram/Verify modeP(1)Program Mode Sel

© 2007 Microchip Technology Inc. Preliminary DS41208C-page 3 PIC16F57 2.4.1 FOUR-WORD PROGRAMMING The normal sequence for writing the program array is to load four ...

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