MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1368

• 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

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