MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1121
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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Address:
Re-
14.8.17 DRAM Control Register 16 (HW_DRAM_CTL16)
This is a DRAM configuration register.
Address:
Freescale Semiconductor, Inc.
set
Reset
Reset
Bit
W
R
Bit
Bit
31
W
W
0
WSTATE
R
R
RSTATE
31 24
23 16
WLEN
RLEN
Field
15 8
7 0
30
0
31
15
0
0
29
0
WSTATE
HW_DRAM_CTL16
HW_DRAM_CTL15
28
0
30
14
0
0
This reflects the monitor write machine's state.
This reflects the monitor read machine's state.
This reflects the read length beat counter.
This reflects the write length beat counter.
27
0
26
0
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
0
RSVD3
OBSOLETE
24
0
28
12
0
0
23
0
HW_DRAM_CTL15 field descriptions
800E_0000h base + 40h offset = 800E_0040h
800E_0000h base + 3Ch offset = 800E_003Ch
22
0
27
11
0
0
21
0
RSTATE
20
0
26
10
0
0
19
0
18
25
0
0
0
9
17
0
WRITE_
M O D E R E G
16
24
0
0
0
8
15
0
Description
23
14
0
0
0
7
13
0
22
12
RLEN
0
0
6
0
Chapter 14 External Memory Interface (EMI)
11
0
21
0
5
0
10
0
RSVD2
RSVD1
0
9
20
0
4
0
0
8
0
7
19
0
0
3
0
6
0
5
18
0
0
2
WLEN
0
4
3
0
17
0
0
1
0
2
0
1
1121
16
0
0
0
0
0
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