T89C51CC01UA-RLTIM Atmel, T89C51CC01UA-RLTIM Datasheet - Page 22
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T89C51CC01UA-RLTIM
Manufacturer Part Number
T89C51CC01UA-RLTIM
Description
IC 8051 MCU FLASH 32K 44VQFP
Manufacturer
Atmel
Series
AT89C CANr
Datasheets
1.T89C51CC01CA-7CTIM.pdf
(167 pages)
2.T89C51CC01CA-7CTIM.pdf
(12 pages)
3.T89C51CC01CA-7CTIM.pdf
(32 pages)
4.T89C51CC01CA-7CTIM.pdf
(29 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Starting the
Application
Requests from Host
Answer from Bootloader No answer is returned by the device.
Example
Error Message
Description
22
ID_WRITE_COMMAND
Identifier
T89C51CC01 CAN Bootloader
The ID_WRITE_COMMAND flow described below allows to start the application directly from the
bootloader upon a specific command reception.
This operation can be executed only with a device previously opened in communication.
Two options are possible:
•
•
T o s t a r t t h e a p p l i c a t i o n , t h e H o s t s e n d s a “ S t a r t A p p l i c a t i o n ” C A N m e s s a g e
(ID_WRITE_COMMAND) with the corresponding option passed in parameter.
The error message is implemented to report when an action required is not possible.
•
Start the application with a reset pulse generation (using watchdog).
When the device receives this command, the watchdog is enabled and the bootloader
enters a waiting loop until the watchdog resets the device.
Take care that if an external reset chip is used, the reset pulse in output may be wrong and
in this case the reset sequence is not correctly executed.
Start the application without reset
A jump at the address 0000h is used to start the application without reset.
Length
At the moment only the security error is implemented and only the device can answer this
kind of CAN message (ID_ERROR).
Start application
BOOTLOADER
HOST
2
4
ID_ERROR
Identifier
Data[0]
03h
Id_write_command
No answer
identifier
Data[1]
00h
01h
Length
1
Data[2]
control
-
04
address
Data[0]
00h
03 01 00 00
data
Data[3]
-
Description
Start Application with a reset pulse
generation
Start Application with a jump at
“address”
Software Security Error
Description
4210E–CAN–03/08