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Read and Write PCF79xx ECU by iProg or VVDI Prog

There are two solutions to read and write PCF79xx: Iprog+ clone + PCF79XX SD-card adapter or Xhorse VVDI Prog programmer + PCF79XX Adapter
  1. Iprog+ clone + PCF79XX SD-card adapter
iprog-and-pcf79xx-adapter
√PCF7941
√PCF7952
√PCF7953
√PCF7961
Read and write the above PCF79XX chip through MSDA, MSCL lines.
  1. VVDI Prog  + PCF79XX Adapter
vvdi-prog-and-pcf79xx-adapter
√PCF7922
√PCF7941
√PCF7945
√PCF7952
√PCF7953
√PCF7961
PCF79XX chip functions:
√Lock
√Unlock
√Read data
√Write data
VVDI-Prog PCF79XX options instruction:
1) “EEPROM”: data storage space, it can read & write in protected status.
(2) “EROM”: program memory space (equal to other chip’s FLASH space), it can read & write in unprotected status.
(3) “Protected”: click “Protected” to lock chip and unable to read out chip data.
(4) “Unprotected”: click “Unprotected” to unlock chip and able to read out chip data.
After unlock, the original data in the chip will be cleared.
vvdi-prog-read-pcf79xx-1
How to read & write PCF79XX chip with VVDI Pro + PCF79XX Adapter?
Method 1: Remove the chip and put it in the IC socket, select option “PCF79XX chip”.
vvdi-prog-read-pcf79xx-2
Method 2: Connect wire to the circuit board, select option “PCF79XX adapter”.
vvdi-prog-read-pcf79xx-3

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