MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1129

• Manufacturer Part Number: MCIMX281AVM4B
• Description: IC MPU I.MX28 1.2 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

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

Address:
Freescale Semiconductor, Inc.
Reset
Reset
ADDR_CMP_EN
PRIORITY_EN
PLACEMENT_
OBSOLETE
Bit
Bit
W
W
R
R
RSVD3
RSVD2
RSVD1
31 24
23 17
15 9
Field
7 1
EN
16
8
0
31
15
0
0
HW_DRAM_CTL26
30
14
0
0
Always write zeroes to this field.
Always write zeroes to this field.
Enable priority for cmd queue placement logic.
Enables priority as a condition when using the placement logic to fill the command queue.
'b0 = Disabled
'b1 = Enabled
Always write zeroes to this field.
Enable address collision detection for cmd queue placement logic.
Enables address collision/data coherency detection as a condition when using the placement logic to fill the
command queue.
'b0 = Disabled
'b1 = Enabled
Always write zeroes to this field.
Enable placement logic for cmd queue.
Enables using the placement logic to fill the command queue.
'b0 = Placement logic is disabled. The command queue is a straight FIFO.
'b1 = Placement logic is enabled. The command queue will be filled according to the placement logic factors.
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
RSVD2
OBSOLETE
28
12
0
0
800E_0000h base + 68h offset = 800E_0068h
HW_DRAM_CTL26 field descriptions
27
11
0
0
26
10
0
0
25
0
0
9
24
0
0
8
Description
23
0
0
7
22
0
0
6
Chapter 14 External Memory Interface (EMI)
21
0
5
0
RSVD3
RSVD1
20
0
4
0
19
0
0
3
18
0
0
2
17
0
0
1
1129
16
0
0
0