AT89C51CC01 Atmel Corporation, AT89C51CC01 Datasheet - Page 20

• Manufacturer Part Number: AT89C51CC01
• Manufacturer: Atmel Corporation

Specifications of AT89C51CC01

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Uart: 1
• Can: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 1.25
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART/CAN
• Watchdog: Yes

Answers from
Bootloader
Flow Description
Example
20
T89C51CC01 CAN Bootloader
COMMAND FINISHED
Wait Value of Data
Send READ_COM Message
Wait ERROR_SECURITY
OR
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_COMMAND Message
ID_READ_COMMAND Message
Identifier
ID_ERROR Message
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
Length
55
02
F0
00
01
F5
1
data
data
data
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
4210E–CAN–03/08