MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1174
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
- Current page: 1174 of 2327
- Download datasheet (17Mb)
Programmable Registers
14.8.76 DRAM Control Register 81 (HW_DRAM_CTL81)
This is a DRAM configuration register.
Address:
Re-
14.8.77 DRAM Control Register 82 (HW_DRAM_CTL82)
This is a DRAM configuration register.
Address:
1174
set
Reset
Bit
W
OCD_ADJUST_
OCD_ADJUST_
R
OBSOLETE
PUP_CS_0
PDN_CS_0
Bit
31
W
0
R
RSVD2
RSVD1
31 16
15 13
Field
12 8
7 5
4 0
30
0
31
0
29
0
HW_DRAM_CTL82
HW_DRAM_CTL81
28
0
30
0
Always write zeroes to this field.
Always write zeroes to this field.
OCD pull-up adjust setting for DRAMs for chip select 0.
This parameter is reserved for future use and should be programmed to 0x0.
Always write zeroes to this field.
OCD pull-down adjust setting for DRAMs for chip select 0.
This parameter is reserved for future use and should be programmed to 0x0.
27
0
26
0
29
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
0
OBSOLETE
RSVD1
24
0
28
0
23
0
HW_DRAM_CTL81 field descriptions
800E_0000h base + 148h offset = 800E_0148h
800E_0000h base + 144h offset = 800E_0144h
22
0
27
0
21
0
20
0
26
0
19
0
18
25
0
0
17
0
16
24
0
0
15
0
Description
RSVD2
23
14
0
0
13
0
22
12
0
OCD_ADJUST_
0
PUP_CS_0
11
0
21
0
10
0
OBSOLETE[23:16]
0
9
20
0
0
8
Freescale Semiconductor, Inc.
0
7
RSVD1
19
0
0
6
0
5
18
0
0
4
OCD_ADJUST_
PDN_CS_0
3
0
17
0
0
2
0
1
16
0
0
0
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