MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1207
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-
14.8.134 DRAM Control Register 139 (HW_DRAM_CTL139)
This is a DRAM configuration register.
Address:
Re-
14.8.135 DRAM Control Register 140 (HW_DRAM_CTL140)
This is a DRAM configuration register.
Address:
Re-
Freescale Semiconductor, Inc.
set
set
set
Bit
DLL_OBS_REG_
Bit
DLL_OBS_REG_
Bit
W
W
W
R
R
R
31
31
31
0
0
0
31 0
31 0
Field
Field
2_3
2_3
30
30
30
0
0
0
29
29
29
0
0
0
HW_DRAM_CTL138
HW_DRAM_CTL139
HW_DRAM_CTL140
28
28
28
0
0
0
Reports the read DQS delay value for data slice 3. READ-ONLY.
Reports the read DQS delay value for data slice 3. READ-ONLY.
27
27
27
0
0
0
26
26
26
0
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
25
25
0
0
0
24
24
24
0
0
0
23
23
23
0
0
0
HW_DRAM_CTL138 field descriptions
HW_DRAM_CTL139 field descriptions
800E_0000h base + 228h offset = 800E_0228h
800E_0000h base + 22Ch offset = 800E_022Ch
800E_0000h base + 230h offset = 800E_0230h
22
22
22
0
0
0
21
21
21
0
0
0
20
20
20
0
0
0
19
19
19
0
0
0
DLL_OBS_REG_2_3
DLL_OBS_REG_2_3
DLL_OBS_REG_2_3
18
18
18
0
0
0
17
17
17
0
0
0
16
16
16
0
0
0
15
15
15
0
0
0
Description
Description
14
14
14
0
0
0
13
13
13
0
0
0
12
12
12
0
0
0
Chapter 14 External Memory Interface (EMI)
11
11
11
0
0
0
10
10
10
0
0
0
0
0
0
9
9
9
0
0
0
8
8
8
0
0
0
7
7
7
0
0
0
6
6
6
0
0
0
5
5
5
0
0
0
4
4
4
3
0
3
0
3
0
0
0
0
2
2
2
0
0
0
1
1
1
1207
0
0
0
0
0
0
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