MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1604

• Manufacturer Part Number: MCIMX281AVM4B
• Description: IC MPU I.MX28 1.2 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

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

Unified DMA Block Guide
26.2.2.31.23 Enhanced uDMA Transmit Buffer Descriptor
This section discusses the enhanced uDMA transmit buffer descriptors.
The following sections reference
26.2.2.31.23.1
with the exception of bit 9 "ABC" which has been explicitly removed and bit 15 "R". See
Legacy FEC Transmit Buffer
26.2.2.31.23.2
See
1604
Legacy FEC Transmit Buffer Descriptor
Offset + 1C
Offset + 1A
Offset + 1E
Offset + 10
Offset + 12
Offset + 14
Offset + 16
Offset + 18
Offset + C
Offset + A
Offset + E
Offset + 0
Offset + 2
Offset + 4
Offset + 6
Offset + 8
Table 26-4. Enhanced uDMA Transmit Buffer Descriptor
Offset + 0 - Bit 15:0
This functionality does not change from the legacy programming model
Offset + 2 - Data Length
This functionality does not change from the legacy programming model.
BDU
TXE
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
15
R
-
-
-
-
-
-
-
-
TO1
INT
14
-
-
-
-
-
-
-
-
-
UE
TS
13
W
-
-
-
-
-
-
-
-
Descriptor.
PINS
TO2
EE
12
-
-
-
-
-
-
-
-
Table
IINS
FE
11
L
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-
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26-4.
LCE
TC
10
TX Data Buffer Pointer - A[31:16]
-
-
-
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-
TX Data buffer Pointer - A[15:0]
.
1588 Timestamp [31:16]
1588 Timestamp [15:0]
OE
9
-
-
-
-
-
-
-
-
-
-
Data length
TSE
8
-
-
-
-
-
-
-
-
-
-
7
-
-
-
-
-
-
-
-
-
-
-
6
-
-
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5
-
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-
Freescale Semiconductor, Inc.
4
-
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-
-
-
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3
-
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-
-
-
-
-
-
-
-
2
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
-
0
-
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-
-
-
-
-
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