MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1368
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: 1368 of 2327
- Download datasheet (17Mb)
Programmable Registers
19.4.5 EMI Status Register (HW_DIGCTL_EMI_STATUS)
The EMI Status Register indicates the low power mode of the EMI and provides state data
that is not available in the EMI controller.
HW_DIGCTL_EMI_STATUS: 0x040
HW_DIGCTL_EMI_STATUS_SET: 0x044
HW_DIGCTL_EMI_STATUS_CLR: 0x048
HW_DIGCTL_EMI_STATUS_TOG: 0x04C
EXAMPLE
NA
Address:
Re-
1368
set
Bit
W
POWER_MODE
R
31
0
RSVD0
RSVD0
Field
Field
31 5
7 0
4 0
30
0
29
0
HW_DIGCTL_EMI_STATUS
28
0
0x6
0x7
Reserved.
Reserved.
A detail description of the low power modes can be found in the EMI documentation. This register provides
a port with which to read the power mode status since this capability is not inherent in the block itself.
0x2
0x4
0x8
0x10
0x0
27
0
26
0
HW_DIGCTL_RAMCTRL field descriptions (continued)
DELAY3 — Normal functional mode.
DELAY4 — Normal functional mode.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
PM4 — Power mode 4 is active.
PM3 — Power mode 3 is active.
PM2 — Power mode 2 is active.
PM1 — Power mode 1 is active.
NORMAL — Normal operation, low power modes are not active.
25
0
HW_DIGCTL_EMI_STATUS field descriptions
24
0
23
0
22
0
21
0
8001_C000h base + 40h offset = 8001_C040h
20
0
19
0
RSVD0
18
0
17
0
16
0
15
0
Description
Description
14
0
13
0
12
0
11
0
10
0
0
9
0
8
Freescale Semiconductor, Inc.
0
7
0
6
0
5
0
4
POWER_MODE
3
0
0
2
0
1
0
0
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