ST72F561AR6T3 STMicroelectronics, ST72F561AR6T3 Datasheet - Page 180
ST72F561AR6T3
Manufacturer Part Number
ST72F561AR6T3
Description
IC MCU 8BIT 32K FLASH 64-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F561K6T6.pdf
(265 pages)
Specifications of ST72F561AR6T3
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, LINSCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
64-LQFP
For Use With
497-8374 - BOARD DEVELOPMENT FOR ST72F561
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
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ST72561
beCAN CONTROLLER (Cont’d)
Figure 103. Filtering Mechanism - example
The example above shows the filtering principle of
the beCAN. On reception of a message, the iden-
tifier is compared first with the filters configured in
identifier list mode. If there is a match, the mes-
sage is stored in the FIFO and the index of the
matching filter is stored in the Filter Match Index.
As shown in the example, the identifier matches
with Identifier #2 thus the message content and
MFMI 2 is stored in the FIFO.
180/265
Message Discarded
Identifier
Identifier
Mask
Identifier
Mask
Identifier
Identifier
Identifier
No Match
Found
Identifier
n+m
n+1
n
1
2
0
Ctrl
Identifier #2 Match
Message Received
n: number of single identifiers to receive
n and m values depend on the configuration of the filters
m: number of identifier groups to receive
If there is no match, the incoming identifier is then
compared with the filters configured in mask
mode.
If the identifier does not match any of the identifi-
ers configured in the filters, the message is dis-
carded by hardware without software intervention.
Data
Receive FIFO
Message
Stored
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