AT89C51CC03U-RDRIM Atmel, AT89C51CC03U-RDRIM Datasheet - Page 18

• Manufacturer Part Number: AT89C51CC03U-RDRIM
• Description: IC 8051 MCU FLASH 64K 64VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC03U-RDRIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT89C51CC03URDRTR

Requests From Host
Answers From
Bootloader
Flow Description
18
AT89C51CC03 CAN Bootloader
COMMAND FINISHED
Wait COMMAND_OK
Send Write_Command
Host
OR
Wait ERROR_SECURITY
COMMAND ABORTED
The device has two possible answers:
•
•
If the chip is protected from program access a “Error” CAN message is sent (see
Section “Error Message Description”).
Otherwise an acknowledge “Command ok“ is sent.
ID_WRITE_COMMAND
ID_WRITE_COMMAND
Identifier
Identifier
Id_write_com message
Id_error message
Id_write_com message
Length
3
3
Length
data[0]
1
01h
02h
Send ERROR_SECURITY
data[1]
1Ch
1Dh
1Eh
1Fh
00h
01h
05h
06h
20h
00h
data[0]
00h
Bootloader
COMMAND FINISHED
data[2]
Send COMMAND_OK
Wait Write_Command
value
value
NO_SECURITY
Write Data
write value in Fuse bits
Description
Command ok
write value in BTC_1
write value in BTC_2
write value in BTC_3
write value in CRIS
write value in BSB
write value in SBV
write value in SSB
write value in NNB
write value in EB
Description
4251B–CAN–03/08