MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 931
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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Address:
11.12.12 Converter Loop Behavior Control Register
This register defines the control loop parameters available for the DC-DC converter.
HW_POWER_LOOPCTRL: 0x0B0
HW_POWER_LOOPCTRL_SET: 0x0B4
HW_POWER_LOOPCTRL_CLR: 0x0B8
HW_POWER_LOOPCTRL_TOG: 0x0BC
Freescale Semiconductor, Inc.
Reset
Reset
POSLIMIT_BUCK
NEGLIMIT
Bit
Bit
W
W
RSRVD3
RSRVD2
RSRVD1
R
R
31 16
Field
14 8
6 0
15
7
31
15
0
0
HW_POWER_DCLIMITS
30
14
0
0
(HW_POWER_LOOPCTRL)
Reserved.
Reserved.
Upper limit duty cycle limit in DC-DC converter. This field will limit the maximum VDDIO acheivable for a
given battery voltage, and it's value may be increased if very low battery operation is desired.
Reserved.
Negative duty cycle limit of DC-DC converter.
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
POSLIMIT_BUCK
28
12
0
0
HW_POWER_DCLIMITS field descriptions
27
11
0
1
8004_4000h base + A0h offset = 8004_40A0h
26
10
0
1
25
0
0
9
24
RSRVD3
0
0
8
Description
23
0
0
7
22
0
1
6
21
0
5
0
20
0
4
1
NEGLIMIT
Chapter 11 Power Supply
19
0
1
3
18
0
1
2
17
0
1
1
16
0
1
0
931
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