T89C51CC01UA-RLTIM Atmel, T89C51CC01UA-RLTIM Datasheet - Page 91
![IC 8051 MCU FLASH 32K 44VQFP](/photos/6/92/69202/313-44-vqfp_sml.jpg)
T89C51CC01UA-RLTIM
Manufacturer Part Number
T89C51CC01UA-RLTIM
Description
IC 8051 MCU FLASH 32K 44VQFP
Manufacturer
Atmel
Series
AT89C CANr
Datasheets
1.T89C51CC01CA-7CTIM.pdf
(167 pages)
2.T89C51CC01CA-7CTIM.pdf
(12 pages)
3.T89C51CC01CA-7CTIM.pdf
(32 pages)
4.T89C51CC01CA-7CTIM.pdf
(29 pages)
Specifications of T89C51CC01UA-RLTIM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
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
For Use With
AT89STK-06 - KIT DEMOBOARD 8051 MCU W/CAN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
T89C51CC01UARLTIM
Available stocks
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- T89C51CC01CA-7CTIM PDF datasheet
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Time Trigger
Communication (TTC)
and Message Stamping
Figure 51. Block Diagram of CAN Timer
4129N–CAN–03/08
CLOCK
CANSTCH.4
CANSTCH.5
Fcan
RXOK i
TXOK i
CANSTMPH and CANSTMPL
÷ 6
The T89C51CC01 has a programmable 16-bit Timer (CANTIMH and CANTIML) for
message stamp and TTC.
This CAN Timer starts after the CAN controller is enabled by the ENA bit in the CANG-
CON register.
Two modes in the timer are implemented:
•
Note:
•
The CAN Timer works in a roll-over from FFFFh to 0000h which serves as a time base.
When the timer roll-over from FFFFh to 0000h, an interrupt is generated if the ETIM bit
in the interrupt enable register IEN1 is set.
CANTCON
CANTIMH and CANTIML
Time Trigger Communication:
–
Message Stamping
–
–
–
–
Capture of this timer value in the CANTTCH and CANTTCL registers on
Start Of Frame (SOF) or End Of Frame (EOF), depending on the SYNCTTC
bit in the CANGCON register, when the network is configured in TTC by the
TTC bit in the CANGCON register.
In this mode, CAN only sends the frame once, even if an error occurs.
Capture of this timer value in the CANSTMPH and CANSTMPL registers of
the message object which received or sent the frame.
All messages can be stamps.
The stamping of a received frame occurs when the RxOk flag is set.
The stamping of a sent frame occurs when the TxOk flag is set.
CANGCON.1
CANTTCH and CANTTCL
ENA
When 0xFFFF to 0x0000
CANGCON.5
TTC
CANGCON.4
SYNCTTC
SOF on CAN frame
EOF on CAN frame
OVRTIM
CANGIT.5
91
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