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PIC16F648A

Support summary

  • NSDSP Programming - Yes
  • NSDSP Debugging - No
  • NSDS Compiler - No
ICSP connection

 

ICSP Connection

Programming is impossible at voltages below 4.5V.

 

LVP Limitations

Since NSDSP is a Low-Voltage Programmer (LVP), it can only program PIC devices if LVP configuration bit is enabled. Fresh (unprogrammed) devices have LVP bit set and therefore they can be programmed. It is impossible to disable LVP bit during LVP programming, but if the device has been previously programmed with HVP programmer, the LVP bit may have been disabled.

When brown-out is enabled with BOREN configuration bit, LVP is only possible when the VDD voltage is above the brown-out threshold.

NSDSP cannot perform High-Voltage Programming (HVP) with PIC16F648A even if you install HVP circuit.

 

Programming Benchmarks

We have measured time necessary to program and verify PIC16F648A.

Operation Time
Programming and Verification 18.3s
Programming only 18.1s
Verification only 0.2s

The measurements reflect the time necessary to program/verify the entire chip, including all user programmable memory areas and very slow data EEPROM.

 

Debugging

NSDSP cannot be used to debug PIC16F648A.

 

Links

Microchip PIC16F648A page

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