T89C51CC01CA-7CTIM Atmel, T89C51CC01CA-7CTIM Datasheet - Page 103

• Manufacturer Part Number: T89C51CC01CA-7CTIM
• Description: IC 8051 MCU FLASH 32K 64BGA
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of T89C51CC01CA-7CTIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• 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: 64-BGA
• For Use With: AT89STK-06 - KIT DEMOBOARD 8051 MCU W/CAN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: T89C51CC01CA7CTIM

4129N–CAN–03/08
Table 69. CANIE2 Register
CANIE2 (S:C3h)
CAN Enable Interrupt Message Object Registers 2
Reset Value = 0000 0000b
Table 70. CANBT1 Register
CANBT1 (S:B4h)
CAN Bit Timing Registers 1
Note:
No default value after reset.
Number
Number
IECH 7
Bit
Bit
7-0
6-1
7
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 48.
Bit Mnemonic Description
Bit Mnemonic Description
IECH 6
BRP 5
IECH7:0
BRP5:0
6
6
-
-
IECH 5
Enable interrupt by Message Object
0 - disable IT.
1 - enable IT.
IECH7:0 = 0b 0000 1100 -> Enable IT’s of message objects 3 and 2.
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
5
IECH 4
BRP 3
4
4
Tscl =
IECH 3
BRP 2
3
3
BRP[5..0] + 1
Fcan
IECH 2
BRP 1
2
2
IECH 1
BRP 0
1
1
IECH 0
0
0
-
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