AT89C51CC03CA-RLTUM Atmel, AT89C51CC03CA-RLTUM Datasheet - Page 116

IC 8051 MCU 64K FLASH 44-VQFP

AT89C51CC03CA-RLTUM

Manufacturer Part Number
AT89C51CC03CA-RLTUM
Description
IC 8051 MCU 64K FLASH 44-VQFP
Manufacturer
Atmel
Series
AT89C CANr
Datasheet

Specifications of AT89C51CC03CA-RLTUM

Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, 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
44-TQFP, 44-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2304 B
Interface Type
UART, SPI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
36
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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
44VQFP
Device Core
8051
Family Name
AT89
Maximum Speed
60 MHz
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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AT89C51CC03
Table 62. CANBT3 Register
CANBT3 (S:B6h)
CAN Bit Timing Registers 3
Note:
No default value after reset.
Number
Bit
6-4
3-1
7
-
7
0
The CAN controller bit timing registers must be accessed only if the CAN controller is dis-
abled with the ENA bit of the CANGCON register set to 0.
See Figure 52.
Bit Mnemonic Description
PHS2 2
PHS2 2:0
PHS1 2:0
SMP
6
-
PHS2 1
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Phase Segment 2
This phase is used to compensate for phase edge errors. This segment can
be shortened by the re-synchronization jump width.
Phase segment 2 is the maximum of Phase segment 1 and the Information
Processing Time (= 2TQ).
Phase Segment 1
This phase is used to compensate for phase edge errors. This segment can
be lengthened by the re-synchronization jump width.
Sample Type
0 - once, at the sample point.
1 - three times, the threefold sampling of the bus is the sample point and twice
over a distance of a 1/2 period of the Tscl. The result corresponds to the
majority decision of the three values.
5
PHS2 0
4
Tphs2 = Tscl x (PHS2[2..0] + 1)
Tphs1 = Tscl x (PHS1[2..0] + 1)
PHS1 2
3
PHS1 1
2
4182O–CAN–09/08
PHS1 0
1
SMP
0

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