AT89C51CC03C-7CTIM Atmel, AT89C51CC03C-7CTIM Datasheet - Page 102
![IC 8051 MCU FLASH 64K 64BGA](/photos/12/13/121327/453-64-bga_sml.jpg)
AT89C51CC03C-7CTIM
Manufacturer Part Number
AT89C51CC03C-7CTIM
Description
IC 8051 MCU FLASH 64K 64BGA
Manufacturer
Atmel
Series
AT89C CANr
Datasheets
1.AT89C51CC03C-S3RIM.pdf
(198 pages)
2.AT89C51CC03C-S3RIM.pdf
(32 pages)
3.AT89C51CC03C-S3RIM.pdf
(27 pages)
4.AT89C51CC03C-S3RIM.pdf
(184 pages)
Specifications of AT89C51CC03C-7CTIM
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
64-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT89C51CC03C7CTIM
Available stocks
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Manufacturer
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- AT89C51CC03C-S3RIM PDF datasheet
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- Download datasheet (3Mb)
CAN Autobaud and
Listening Mode
Routines Examples
102
AT89C51CC03
To activate the Autobaud feature, the AUTOBAUD bit in the CANGCON register must
be set. In this mode, the CAN controller is only listening to the line without acknowledg-
ing the received messages. It cannot send any message. The error flags are updated.
The bit timing can be adjusted until no error occurs (good configuration find).
In this mode, the error counters are frozen.
To go back to the standard mode, the AUTOBAUD bit must be cleared.
Figure 56. Autobaud Mode
1. Init of CAN macro
// Reset the CAN macro
// Disable CAN interrupts
// Init the Mailbox
{
}
// Configure the bit timing
CANGCON = 01h;
ECAN = 0;
ETIM = 0;
for num_page =0; num_page <15; num_page++
CANBT1 = xxh
CANBT2 = xxh
CANBT3 = xxh
CANPAGE = num_channel << 4;
CANCONCH = 00h
CANSTCH = 00h;
CANIDT1 = 00h;
CANIDT2 = 00h;
CANIDT3 = 00h;
CANIDT4 = 00h;
CANIDM1 = 00h;
CANIDM2 = 00h;
CANIDM3 = 00h;
CANIDM4 = 00h;
for num_data =0; num_data <8; num_data++)
{
CANMSG = 00h;
CANGCON.3
AUTOBAUD
RxDC’
TxDC’
}
1
0
4182O–CAN–09/08
TxDC
RxDC
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