AT89C51CC03U-RDRIM Atmel, AT89C51CC03U-RDRIM Datasheet - Page 20

• 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

Answers From
Bootloader
Flow Description
Example
20
AT89C51CC03 CAN Bootloader
COMMAND FINISHED
Wait Value of data
Send read_com message
OR
Wait ERROR_SECURITY
COMMAND ABORTED
Host
The device has two possible answers:
•
•
If the chip is protected from read access an “Error” CAN message is sent (see Section “Error
Message Description”).
Otherwise:
the device answers with a Read Answer CAN message (Id_read_command).
Read Fuse bit
BOOTLOADER
Read Bootloader Version
BOOTLOADER
Read SBV
BOOTLOADER
HOST
HOST
HOST
ID_READ_COMMAND
Id_read_com message
Id_read_com message
Id_error message
Identifier
Id_read_command
Id_read_command
Id_read_command
Id_read_command
Id_read_command
Id_read_command
identifier
identifier
identifier
control
control
control
01
01
02
01
02
01
Send ERROR_SECURITY
55
02
F0
00
01
F5
data
Length
data
data
1
00
01
// Bootloader version 55h
// Fuse bit = F0h
// SBV = F5h
Bootloader
COMMAND FINISHED
RD_WR_SECURITY
Wait Read_Com
Send Data read
Read Data
data[n]
value
4251B–CAN–03/08