MCF5272CVF66J Freescale Semiconductor, MCF5272CVF66J Datasheet - Page 225
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MCF5272CVF66J
Manufacturer Part Number
MCF5272CVF66J
Description
IC MCU 166MHZ 196MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5272CVF66J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, UART/USART, USB
Peripherals
DMA, WDT
Number Of I /o
32
Program Memory Size
16KB (4K x 32)
Program Memory Type
ROM
Ram Size
1K x 32
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
196-MAPBGA
Processor Series
MCF527x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5272-KIT, NNDK-MOD5270-KIT
Leaded Process Compatible
No
Rohs Compliant
No
Peak Reflow Compatible (260 C)
No
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5272CVF66J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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In promiscuous mode (PROM = 1 in RCR), the FEC receives all of the incoming frames regardless of their
address. In this mode, the destination address lookup is still performed and RxBD[MISS] is set
accordingly. If address recognition did not achieve a match, the frame is received with RxBD[MISS] set.
If address recognition achieves a match, the frame is received without setting RxBD[MISS].
Freescale Semiconductor
.
Address Type
Destination
broadcast
individual
group
Receive Frame
Receive Frame
The FEC compares the destination address field of the received frame with the 48-bit MAC address
programmed into MALR and MAUR.
The FEC determines whether or not the group address is a broadcast address. If not broadcast, a hash table
lookup is performed using the 64-entry hash table defined in HTLR and HTUR.
The frame is accepted unconditionally.
MCF5272 ColdFire
Figure 11-4. Ethernet Address Recognition Flowchart
True
True
Table 11-3. Ethernet Address Recognition
Check Address
Discard Frame
Promiscuous
I/G Address
Hash Match
Broadcast
®
Address
Mode
Integrated Microprocessor User’s Manual, Rev. 3
?
?
?
?
G
False
False
False
(RCR[PROM] = 0)
False
FEC Address Processing
I
True (RCR[PROM] = 1)
Perfect Match
?
True
Receive Frame
Set Miss Bit
Receive Frame
Ethernet Module
11-7
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