T89C51CC01UA-RLTIM Atmel, T89C51CC01UA-RLTIM Datasheet - Page 12

• Manufacturer Part Number: T89C51CC01UA-RLTIM
• Description: IC 8051 MCU FLASH 32K 44VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of T89C51CC01UA-RLTIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 1.25K 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: 44-TQFP, 44-VQFP
• For Use With: AT89STK-06 - KIT DEMOBOARD 8051 MCU W/CAN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: T89C51CC01UARLTIM

Request From Host
Answers From
Bootloader
ID_SELECT_NODE Flow Description
Example
12
T89C51CC01 CAN Bootloader
COMMAND ABORTED
Time-out 10 ms
Send Select Node Message
with Node Number in Parameter
COMMAND FINISHED
OR
Host
Wait Select Node
Before opening a new communication with another device, the current device communication
must be closed with its connecting CAN message (ID_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
FF
01 01
local node number
data
node select =
Length
Data[1]
00h
01h
1
Bootloader
State com = com closed
Read Bootloader Version
Send Bootloader Version
and State of Communication
COMMAND FINISHED
state com = com open
Wait Select Node
node select = FFh
Communication close
Communication open
Comment
num_node
Data[0]
4210E–CAN–03/08