AT89C51IC2-SLSCM datasheet(120/146 Pages) ATMEL

Part #	AT89C51IC2-SLSCM

Description	8-bit Flash Microcontroller with 2-wire Interface

PDF	146 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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120 / 146 page

120

AT89C51IC2

4301A–8051–01/04

Figure 48. 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 49. Write/Program Flow

Bootloader

":"

Sends first character of the

Frame

If (not received ":")

Sends frame (made of 2 ASCII

Gets frame, and sends back ech

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

AT89C51IC2-SLSCM Datasheet(PDF) 120 Page - ATMEL Corporation

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