at89c51re2-slsem ATMEL Corporation, at89c51re2-slsem Datasheet - Page 46

• Manufacturer Part Number: at89c51re2-slsem
• Description: At89c51re2 8-bit Flash Microcontroller
• Manufacturer: ATMEL Corporation

In addition, the user application can reset the columns latches space manually.
The following procedure is used to reset the columns latches space
Launch the programming by writing the data sequence 53h followed by A3h in
FCON register (from FM0 and RM0).
AT89C51RE2
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7663B–8051–03/07