AT89C51CC01UA-RLTUM Atmel, AT89C51CC01UA-RLTUM Datasheet - Page 84

• Manufacturer Part Number: AT89C51CC01UA-RLTUM
• Description: IC 8051 MCU FLASH 32K 44-VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC01UA-RLTUM

• 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: 44-TQFP, 44-VQFP
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 1280 B
• Interface Type: UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 34
• Number Of Timers: 2
• Operating Supply Voltage: 3 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: CANADAPT28
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Package: 44VQFP
• Device Core: 8051
• Family Name: AT89
• Maximum Speed: 40 MHz
• Cpu Family: AT89
• Device Core Size: 8b
• Frequency (max): 40MHz
• Total Internal Ram Size: 1.25KB
• # I/os (max): 34
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: VQFP
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AT89C51CC01UARLTUM

IT CAN Management
Figure 46. CAN Controller Interrupt Structure
84
A/T89C51CC01
CANSTCH.5
CANSTCH.6
CANSTCH.4
CANSTCH.3
CANSTCH.2
CANSTCH.1
CANSTCH.0
OVRBUF
CANGIT.3
CANGIT.1
CANGIT.2
CANGIT.0
OVRTIM
CANGIT.4
CANGIT.5
RXOK i
BERR i
SERR i
CERR i
AERR i
TXOK i
FERR i
SERG
CERG
FERG
AERG
CANGIE.5
ENRX
The different interrupts are:
•
•
•
•
•
To enable a transmission interrupt:
•
•
•
To enable a reception interrupt:
•
•
CANGIE.4
ENTX
Transmission interrupt,
Reception interrupt,
Interrupt on error (bit error, stuff error, crc error, form error, acknowledge error),
Interrupt when Buffer receive is full,
Interrupt on overrun of CAN Timer.
Enable General CAN IT in the interrupt system register,
Enable interrupt by message object, EICHi,
Enable transmission interrupt, ENTX.
Enable General CAN IT in the interrupt system register,
Enable interrupt by message object, EICHi,
ENERCH
CANGIE.3
CANSIT1/2
SIT i
SIT i
CANGIE.2
CANIE1/2
ENBUF
CANGIE.1
EICH i
ENERG
i=14
i=0
CANGIT.7
CANIT
IEN1.2
ETIM
ECAN
IEN1.0
OVRIT
CANIT
4129N–CAN–03/08