AT89C51CC02 Atmel Corporation, AT89C51CC02 Datasheet - Page 91

• Manufacturer Part Number: AT89C51CC02
• Manufacturer: Atmel Corporation

Specifications of AT89C51CC02

• Flash (kbytes): 16 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 20
• Uart: 1
• Can: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 0.5
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART/CAN
• Watchdog: Yes

4126L–CAN–01/08
// Enable the CAN macro
2. Configure message object 3 in reception to receive only standard (11bit
identifier) message 100h
// Select the message object 3
// Enable the interrupt on this message object
// Clear the status and control register
// Init the acceptance filter to accept only message 100h in standard mode
// Enable channel in reception
Note: to enable the CAN interrupt in reception:
EA = 1
ECAN = 1
CANGIE = 20h
3. Send a message on the message object 0
// Select the message object 0
// Enable the interrupt on this message object
// Clear the Status register
// load the identifier to send (ex: 555h)
// load data to send
// configure the control register
4. Interrupt routine
// Save the current CANPAGE
CANGCON = 02h
CANPAGE = 30h
CANIE = 08h
CANSTCH = 00h
CANCONCH= 00h
CANIDT1 = 20h
CANIDT2 = 00h
CANIDT3 = 00h
CANIDT4 = 00h
CANIDM1 = FFh
CANIDM2 = FFh
CANIDM3 = FFh
CANIDM4 = FFh
CANCONCH = 88h // enable reception
CANPAGE = 00h
CANIE = 01h
CANSTCH = 00h;
CANIDT1 = AAh;
CANIDT2 = A0h;
CANMSG = 00h
CANMSG = 01h
CANMSG = 02h
CANMSG = 03h
CANMSG = 04h
CANMSG = 05h
CANMSG = 06h
CANMSG = 07h
CANCONCH = 18h
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