MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1209
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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14.8.138 DRAM Control Register 143 (HW_DRAM_CTL143)
This is a DRAM configuration register.
Address:
Re-
14.8.139 DRAM Control Register 144 (HW_DRAM_CTL144)
This is a DRAM configuration register.
Address:
Re-
Freescale Semiconductor, Inc.
set
set
DLL_OBS_REG_
Bit
DLL_OBS_REG_
Bit
DLL_OBS_REG_
W
W
R
R
31
31
0
0
31 0
31 0
Field
Field
Field
8 0
2_3
3_0
3_0
30
30
0
0
29
29
0
0
HW_DRAM_CTL143
HW_DRAM_CTL144
28
28
0
0
Reports the read DQS delay value for data slice 3. READ-ONLY.
Reports the clk_wr delay value for data slice 0. READ-ONLY.
Reports the clk_wr delay value for data slice 0. READ-ONLY.
27
27
0
0
26
26
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
HW_DRAM_CTL142 field descriptions (continued)
25
25
0
0
24
24
0
0
23
23
0
0
HW_DRAM_CTL143 field descriptions
HW_DRAM_CTL144 field descriptions
800E_0000h base + 23Ch offset = 800E_023Ch
800E_0000h base + 240h offset = 800E_0240h
22
22
0
0
21
21
0
0
20
20
0
0
19
19
0
0
DLL_OBS_REG_3_0
DLL_OBS_REG_3_0
18
18
0
0
17
17
0
0
16
16
0
0
15
15
0
0
Description
Description
Description
14
14
0
0
13
13
0
0
12
12
0
0
Chapter 14 External Memory Interface (EMI)
11
11
0
0
10
10
0
0
0
0
9
9
0
0
8
8
0
0
7
7
0
0
6
6
0
0
5
5
0
0
4
4
3
0
3
0
0
0
2
2
0
0
1
1
1209
0
0
0
0
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