T89C51CC02UA-RATIM Atmel, T89C51CC02UA-RATIM Datasheet - Page 12

• Manufacturer Part Number: T89C51CC02UA-RATIM
• Description: IC 8051 MCU FLASH 16K 32VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of T89C51CC02UA-RATIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 512 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: 32-TQFP, 32-VQFP
• For Use With: AT89STK-06 - KIT DEMOBOARD 8051 MCU W/CAN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: T89C51CC02UARATIM

Request from Host
Answers from
Bootloader
ID_SELECT_NODE Flow Description
ID_SELECT_NODE
Example
12
T89C51CC02 CAN Bootloader
COMMAND ABORTED
Time-out 10 ms
Send Select Node Message
with Node Number in Parameter
COMMAND FINISHED
OR
Host
Wait Select Node
Note:
Note:
If the communication is closed then all the others messages won’t be managed by bootloader.
HOST
BOOTLOADER
ID_SELECT_NODE
Num_node is the NNB (Node Number Byte) to which the Host wants to talk to.
Data[0] contains the bootloader version.
Identifier
ID_SELECT_NODE
ID_SELECT_NODE Message
ID_SELECT_NODE Message
ID_SELECT_NODE
ID_SELECT_NODE
Identifier
identifier
Length
2
boot_version
length
Data[0]
01
02
State com = com open
Local Node Number
FF
01 01
data
Node Select =
Length
Data[1]
00h
01h
1
Bootloader
Send Bootloader Version
and State of Communication
State com = com closed
State Com = Com Open
Read Bootloader Version
COMMAND FINISHED
Node Select = FFh
Wait Select Node
Communication close
Communication open
Comment
num_node
Data[0]
4208D–CAN–03/08