MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1215
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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14.8.151 DRAM Control Register 156 (HW_DRAM_CTL156)
This is a DRAM configuration register.
Address:
Re-
14.8.152 DRAM Control Register 157 (HW_DRAM_CTL157)
This is a DRAM configuration register.
Address:
Re-
14.8.153 DRAM Control Register 158 (HW_DRAM_CTL158)
This is a DRAM configuration register.
Freescale Semiconductor, Inc.
set
set
Bit
DLL_OBS_REG_
Bit
DLL_OBS_REG_
W
W
R
R
OBSOLETE
31
31
0
0
RSVD1
31 16
31 0
15 9
Field
Field
3_2
8 0
3_2
30
30
0
0
29
29
0
0
HW_DRAM_CTL156
HW_DRAM_CTL157
28
28
0
0
Reports the clk_wr delay value for data slice 2. READ-ONLY.
Always write zeroes to this field.
Always write zeroes to this field.
Reports the clk_wr delay value for data slice 2. READ-ONLY.
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_CTL156 field descriptions
HW_DRAM_CTL157 field descriptions
800E_0000h base + 270h offset = 800E_0270h
800E_0000h base + 274h offset = 800E_0274h
22
22
0
0
21
21
0
0
20
20
0
0
19
19
0
0
DLL_OBS_REG_3_2
18
18
0
0
17
17
0
0
16
16
0
0
15
15
0
0
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_3_2
0
0
6
6
0
0
5
5
0
0
4
4
3
0
3
0
0
0
2
2
0
0
1
1
1215
0
0
0
0
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