AT89C51CC02 Atmel Corporation, AT89C51CC02 Datasheet - Page 24

• Manufacturer Part Number: AT89C51CC02
• Manufacturer: Atmel Corporation

Specifications of AT89C51CC02

• Flash (kbytes): 16 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 20
• Uart: 1
• Can: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 0.5
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART/CAN
• Watchdog: Yes

Erase Flash
Start Bootloader
24
API Name
__api_erase_block0
__api_erase_block1
T89C51CC02 UART Bootloader
The T89C51CC02 flash memory is divided in several blocks:
Block 0: from address 0000h to 1FFFh
Block 1: from address 2000h to 3FFFh
These two blocks contain 64 pages.
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•
Note:
This routine allows to start at the beginning of the bootloader as after a reset. After calling this
routine the regular boot process is performed and the communication must be opened before
any action.
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Parameter settings
Instruction: LCALL FFF0h.
No special parameter setting
Set bit ENBOOT in AUXR1 register
instruction: LJUMP or LCALL at address F800h
1. See the T89C51CC02 data sheet for the time that a write operation takes and this time must
2. No special resources are used by the bootloader during these operations
multiply by the number of pages.
R1
01h
Dptr0
0000h
2000h
Dptr1
x
x
4223C–CAN–03/08
Acc
x
x