MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1257
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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- Download datasheet (17Mb)
15.4.12 GPMI Debug Information Register (HW_GPMI_DEBUG)
The GPMI debug information register provides a read back path for diagnostics to determine
the current operating state of the GPMI controller.
Address:
Re-
Freescale Semiconductor, Inc.
set
Bit
W
R
FIFO_EMPTY
DMA_SENSE
READY_END
WAIT_FOR_
FIFO_FULL
CMD_END
PRESENT
DMAREQ
31
0
WAIT_FOR_READY_END
31 24
23 16
Field
Field
15 8
7 0
30
2
1
0
0
29
0
HW_GPMI_DEBUG
28
0
0= FIFO is not empty.
1= FIFO is empty.
0x0
0x1
0= FIFO is not full.
1= FIFO is full.
0x0
0x1
0= GPMI is not present in this product.
1= GPMI is present is in this product.
0x0
0x1
Read Only view of the Wait_For_Ready End toggle signals to DMA. One per channel
Read-only view of sense state of the 8 DMA channels. A value of 1 in any bit position indicates that a read
and compare command failed or a timeout occured for the corresponding channel.
Read-only view of DMA request line for 8 DMA channels. A toggle on any bit position indicates a DMA
request for the corresponding channel.
Read Only view of the Command End toggle signals to DMA. One per channel
27
0
26
0
NOT_EMPTY — FIFO is not empty.
EMPTY — FIFO is empty.
NOT_FULL — FIFO is not full.
FULL — FIFO is full.
UNAVAILABLE — GPMI is not present in this product.
AVAILABLE — GPMI is present in this product.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
0
HW_GPMI_STAT field descriptions (continued)
24
0
23
0
HW_GPMI_DEBUG field descriptions
8000_C000h base + C0h offset = 8000_C0C0h
22
0
DMA_SENSE
21
0
20
0
19
0
18
0
17
0
16
0
15
0
Description
Description
14
0
Chapter 15 General-Purpose Media Interface(GPMI)
13
0
DMAREQ
12
0
11
0
10
0
0
9
0
8
0
7
0
6
0
5
CMD_END
0
4
3
0
0
2
0
1
1257
0
0
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