AT89C51CC03C-S3RIM Atmel, AT89C51CC03C-S3RIM Datasheet - Page 112

• Manufacturer Part Number: AT89C51CC03C-S3RIM
• Description: IC 8051 MCU FLASH 64K 52PLCC
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC03C-S3RIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 2.25K 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: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT89C51CC03CS3RTR

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