ST7LITE20F2 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST7LITE20F2

8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, Timers, SPI

STMicroelectronics 

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Flash program memory

Write/erase protection is enabled through the FMP_W bit in the option byte.

4.6

Related documentation

For details on Flash programming and ICC protocol, refer to the ST7 Flash Programming

Reference Manual and to the ST7 ICC Protocol Reference Manual.

4.7

Register description

Flash control/status register (FCSR)

Read / Write

Reset value: 0000 0000 (00h)

1st RASS Key: 0101 0110 (56h)

2nd RASS Key: 1010 1110 (AEh)

7

0

0

0

0

0

0

OPT

LAT

PGM

Note:

This register is reserved for programming using ICP, IAP or other programming methods. It

controls the XFlash programming and erasing operations.

When an EPB or another programming tool is used (in socket or ICP mode), the RASS keys

are sent automatically.

Doc ID 8349 Rev 5

23/166

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