MC56F8245VLD Freescale Semiconductor, MC56F8245VLD Datasheet - Page 465
MC56F8245VLD
Manufacturer Part Number
MC56F8245VLD
Description
DSC 48K FLASH 60MHZ 44-LQFP
Manufacturer
Freescale Semiconductor
Series
56F8xxxr
Datasheets
1.TWR-56F8257.pdf
(88 pages)
2.MC56F8245VLD.pdf
(14 pages)
3.MC56F8245VLD.pdf
(2 pages)
4.MC56F8245VLD.pdf
(629 pages)
Specifications of MC56F8245VLD
Core Processor
56800E
Core Size
16-Bit
Speed
60MHz
Connectivity
CAN, I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
48KB (24K x 16)
Program Memory Type
FLASH
Ram Size
3K x 16
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x12b, D/A 1x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
44-LQFP
Product
DSCs
Processor Series
56800E
Core
56800E
Device Million Instructions Per Second
60 MIPs
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
35
Data Ram Size
6 KB
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 4 Channel
Package
44LQFP
Family Name
MC56F82xx
Maximum Speed
60 MHz
Data Bus Width
16 Bit
Interface Type
I2C/SCI/SPI
On-chip Dac
1-chx12-bit
Number Of Timers
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Quantity
Price
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remains able to transmit messages while the receiver FIFO being filled, but all incoming
messages are discarded. As soon as a receive buffer in the FIFO is available again, new
valid messages will be accepted.
13.4.3 Identifier Acceptance Filter
The MSCAN identifier acceptance registers define the acceptable patterns of the standard
or extended identifier (ID[10:0] or ID[28:0]). Any of these bits can be marked 'don't care'
in the MSCAN identifier mask registers.
A filter hit is indicated to the application software by a set receive buffer full flag (RXF =
1) and three bits in the CAN_IDAC register. These identifier hit flags (IDHIT[2:0])
clearly identify the filter section that caused the acceptance. They simplify the application
software's task to identify the cause of the receiver interrupt. If more than one hit occurs
(two or more filters match), the lower hit has priority.
A very flexible programmable generic identifier acceptance filter has been introduced to
reduce the CPU interrupt loading. The filter is programmable to operate in four different
modes (see Bosch CAN 2.0A/B protocol specification):
Freescale Semiconductor
• Two identifier acceptance filters, each to be applied to:
• Four identifier acceptance filters, each to be applied to
• The full 29 bits of the extended identifier and to the following bits of the CAN
• The 11 bits of the standard identifier plus the RTR and IDE bits of the CAN
2.0B frame:
2.0A/B messages
2.0B compliant extended identifier. This figure shows how the first 32-bit filter
bank (CAN_IDAR0–CAN_IDAR3, CAN_IDMR0–CAN_IDMR3) produces a
filter 0 hit. Similarly, the second filter bank (CAN_IDAR4–CAN_IDAR7,
CAN_IDMR4–CAN_IDMR7) produces a filter 1 hit.
6. Although this mode can be used for standard identifiers, it is recommended to use the four or eight identifier
• Remote transmission request (RTR)
• Identifier extension (IDE)
• Substitute remote request (SRR)
acceptance filters for standard identifiers
MC56F825x/4x Reference Manual, Rev. 2, 10/2010
6
. This mode implements two filters for a full length CAN
Chapter 13 Freescale's Scalable Controller Area Network (MSCAN)
Preliminary
465
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