AT89C51CC03 Atmel Corporation, AT89C51CC03 Datasheet - Page 114

• Manufacturer Part Number: AT89C51CC03
• Manufacturer: Atmel Corporation

Specifications of AT89C51CC03

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 37
• Spi: 1
• Uart: 1
• Can: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 2.25
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART/CAN
• Watchdog: Yes

114
AT89C51CC03
Table 60. CANBT1 Register
CANBT1 (S:B4h)
CAN Bit Timing Registers 1
Note:
No default value after reset.
Number
Bit
6-1
7
-
7
0
The CAN controller bit timing registers must be accessed only if the CAN controller is dis-
abled with the ENA bit of the CANGCON register set to 0.
See Figure 52.
Bit Mnemonic Description
BRP 5
BRP5:0
6
-
-
BRP 4
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Baud rate prescaler
The period of the CAN controller system clock Tscl is programmable and
determines the individual bit timing.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
BRP 3
4
Tscl =
BRP 2
3
BRP[5..0] + 1
Fcan
BRP 1
2
4182O–CAN–09/08
BRP 0
1
0
-