AT89C51CC03 Atmel Corporation, AT89C51CC03 Datasheet - Page 17

• Manufacturer Part Number: AT89C51CC03
• Manufacturer: Atmel Corporation

Specifications of AT89C51CC03

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 37
• Spi: 1
• Uart: 1
• Can: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 2.25
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART/CAN
• Watchdog: Yes

Requests from Host
Answers from
Bootloader
Flow Description
4266C–CAN–03/08
COMMAND FINISHED
Wait COMMAND_OK
Send Erase Command
OR
Host
OR
COMMAND ABORTED
Wait Checksum Error
COMMAND ABORTED
Wait Security Error
•
•
•
As the Program Configuration Information flows, the erase block command has three possible
answers:
•
•
•
Erase block2 (16k to 32k)
Erase block3 (32k to 48k)
Erase block4 (48k to 64k)
Erase block1 (8k to 16k)
Erase block0 (0k to 8k)
block2 (From 4000h to 7FFFh)
block3 (From 8000h to BFFFh)
block4 (From C000h to FFFFh)
‘.’ & ‘CR’ & ’LF’ when the data are programmed
‘X’ & ‘CR’ & ‘LF’ if the checksum is wrong
‘P’ & ‘CR’ & ‘LF’ if the Security is set
Command Name
Full chip erase
’X’ & CR & LF
Erase Command
’P’ & CR & LF
’.’ & CR & LF
Record
Type
03h
AT89C51CC03 UART Bootloader
Offset
Load
x
Record
Length
02h
01h
Send Checksum error
Send Security error
Data[0]
Bootloader
01h
07h
Wait Erase Command
Send COMMAND_OK
Checksum error
NO_SECURITY
Wait Erasing
Data[1]
C0h
00h
20h
40h
80h
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