MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 915

• 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

11.12.2 DC-DC 5V Control Register (HW_POWER_5VCTRL)
This register contains the configuration options of the power management subsystem that
are available when external 5V is applied.
HW_POWER_5VCTRL: 0x010
HW_POWER_5VCTRL_SET: 0x014
HW_POWER_5VCTRL_CLR: 0x018
HW_POWER_5VCTRL_TOG: 0x01C
Address:
Freescale Semiconductor, Inc.
Reset
Reset
ENIRQ_VDD5V_
VDD5V_GT_
VDD5V_GT_
POLARITY_
VDDIO_IRQ
GT_VDDIO
Bit
Bit
W
W
R
R
VDDIO
Field
CHARGE_4P2_ILIMIT[15:12]
2
1
0
31
15
RSRVD6
0
0
HW_POWER_5VCTRL
30
14
0
0
Set to 1 to check for 5V connected. Set to 0 to check for 5V disconnected.
Interrupt status for VDD5V_GT_VDDIO signal. Interrupt polarity is set using POLARITY_VDD5V_GT_VDDIO.
Reset this bit by writing a one to the SCT clear address space and not by a general write.
Enable interrupt for 5V detect.
29
13
1
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
HW_POWER_CTRL field descriptions (continued)
28
12
0
0
27
11
0
0
8004_4000h base + 10h offset = 8004_4010h
VBUSVALID_TRSH
HEADROOM_ADJ
26
10
0
1
25
0
0
9
24
0
0
8
Description
23
RSRVD4
0
1
7
22
0
0
6
CHARGE_
21
0
5
0
PWD_
4P2
20
1
4
1
Chapter 11 Power Supply
19
RSRVD3
0
0
3
18
0
0
2
4P2_ILIMIT
CHARGE_
17
0
0
1
[17:16]
16
0
0
0
915