MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1199
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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14.8.116 DRAM Control Register 121 (HW_DRAM_CTL121)
This is a DRAM configuration register.
Address:
Re-
14.8.117 DRAM Control Register 122 (HW_DRAM_CTL122)
This is a DRAM configuration register.
Address:
Re-
Freescale Semiconductor, Inc.
set
set
DLL_OBS_REG_
Bit
DLL_OBS_REG_
Bit
W
W
R
R
OBSOLETE
31
31
0
0
RSVD1
31 16
31 0
31 0
15 9
Field
Field
Field
1_3
1_3
30
30
0
0
29
29
0
0
HW_DRAM_CTL121
HW_DRAM_CTL122
28
28
0
0
Reports master DLL info for delay line 3. READ-ONLY.
Reports master DLL info for delay line 3. READ-ONLY.
Always write zeroes to this field.
Always write zeroes to this field.
27
27
0
0
26
26
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
25
0
0
OBSOLETE
24
24
0
0
23
23
0
0
HW_DRAM_CTL120 field descriptions
HW_DRAM_CTL121 field descriptions
HW_DRAM_CTL122 field descriptions
800E_0000h base + 1E4h offset = 800E_01E4h
800E_0000h base + 1E8h offset = 800E_01E8h
22
22
0
0
21
21
0
0
20
20
0
0
19
19
0
0
DLL_OBS_REG_1_3
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
RSVD1
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
DLL_OBS_REG_1_3
0
0
6
6
0
0
5
5
0
0
4
4
3
0
3
0
0
0
2
2
0
0
1
1
1199
0
0
0
0
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