AT89C51CC03 Atmel Corporation, AT89C51CC03 Datasheet - Page 112

• 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

112
AT89C51CC03
Table 56. CANSIT1 Register
CANSIT1 (S:BAh Read Only)
CAN Status Interrupt Message Object Registers 1
Reset Value = x000 0000b
Table 57. CANSIT2 Register
CANSIT2 (S:BBh Read Only)
CAN Status Interrupt Message Object Registers 2
Reset Value = 0000 0000b
Number
Number
SIT7
Bit
Bit
6-0
7-0
7
7
-
7
Bit Mnemonic Description
Bit Mnemonic Description
SIT14
SIT14:8
SIT6
SIT7:0
6
6
-
Reserved
The values read from this bit is indeterminate. Do not set this bit.
Status of Interrupt by Message Object
0 - no interrupt.
1 - IT turned on. Reset when interrupt condition is cleared by user.
SIT14:8 = 0b 0000 1001 -> IT’s on message objects 11 and 8.
see Figure 50.
Status of Interrupt by Message Object
0 - no interrupt.
1 - IT turned on. Reset when interrupt condition is cleared by user.
SIT7:0 = 0b 0000 1001 -> IT’s on message objects 3 and 0
see Figure 50.
SIT13
SIT5
5
5
SIT12
SIT4
4
4
SIT11
SIT3
3
3
SIT10
SIT2
2
2
4182O–CAN–09/08
SIT9
SIT1
1
1
SIT8
SIT0
0
0