AT89C51RC2-3CSIM datasheet(99/127 Pages) ATMEL

Part #	AT89C51RC2-3CSIM

Description	Microcontroller with 16K/32K Bytes Flash

PDF	127 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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99 / 127 page

AT89C51RB2/RC2

4180C–8051–12/03

Figure 41. Command Flow

Write/Program Commands

This flow is common to the following frames:

•

Flash/EEPROM Programming Data Frame

•

EOF or Atmel Frame (only Programming Atmel Frame)

•

Config Byte Programming Data Frame

•

Baud Rate Frame

Description

Figure 42. Write/Program Flow

Bootloader

":"

Sends first character of the

Frame

If (not received ":")

Sends frame (made of 2 ASCII

Gets frame, and sends back ec

for each received Byte

Host

Else

":"

Sends echo and start

reception

characters per Byte)

Echo analysis

Host

Bootloader

Write Command

’X’ & CR & LF

NO_SECURITY

Wait Write Command

Checksum error

Wait Programming

Send Security error

Send COMMAND_OK

Send Write Command

Wait Checksum Error

Wait COMMAND_OK

Wait Security Error

COMMAND ABORTED

COMMAND FINISHED

Send Checksum error

COMMAND ABORTED

’P’ & CR & LF

’.’ & CR & LF

AT89C51RC2-3CSIM Datasheet(PDF) 99 Page - ATMEL Corporation

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