MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1825
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MCIMX281AVM4B
Manufacturer Part Number
MCIMX281AVM4B
Description
IC MPU I.MX28 1.2 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(2327 pages)
2.MCIMX283DVM4B.pdf
(20 pages)
3.MCIMX281AVM4B.pdf
(72 pages)
Specifications of MCIMX281AVM4B
Core Processor
ARM9
Core Size
32-Bit
Speed
454MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
Peripherals
DMA, I²S, LCD, POR, PWM, WDT
Program Memory Size
128KB (32K x 32)
Program Memory Type
Mask ROM
Ram Size
32K x 32
Voltage - Supply (vcc/vdd)
1.25 V ~ 5.25 V
Data Converters
A/D 17x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
289-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
Eeprom Size
-
Lead Free Status / Rohs Status
Supplier Unconfirmed
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29.4.10.2 VLAN Domain Verification
When the L2 MAC Address Lookup was successful and identified a dedicated output port
for the frame, the output and input port can be verified to be within the correct VLAN
domain if VLAN verification is enabled for the port (register VLAN_VERIFY) and the
frame contains a VLAN tag. The VLAN resolution table (see 5.10.3.2 page 41 below) is
used as follows:
Freescale Semiconductor, Inc.
• If the frame's VLAN id is found within the table but the output port number is not a
• If the frame's VLAN id is found within the table and the output port and input port are
• If the frame's VLAN id is not found in the VLAN table, or the frame has no VLAN
member of the VLAN domain, or the input port is not a member of the VLAN domain,
the frame will be marked invalid and will be discarded eventually.
both members of the VLAN domain the frame will be forwarded normally.
tag, the frame will be forwarded normally (default broadcast domain), or, if the discard
bit for the port is set (also in register VLAN_VERIFY) it will be discarded.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Figure 29-12. Frame Forwarding Tasks Overview
Chapter 29 Programmable 3-Port Ethernet Switch with QOS (SWITCH)
VLAN Domain Verification
VLAN Domain Resolution
Bridge Protocol Frame
MAC Address Lookup
Multicast / Broadcast
Protocol Snooping
Frame Forwarding
Port Mirroring
Programming
Congestion
Resolution
Resolution
Resolution
Matrix
start
discard
1825
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