MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 931

• 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:
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
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