MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 2006

• 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
2006
Field
OCA
CSC
PEC
PE
4
3
2
1
For host/OTG implementations, the user can provide over-current detection to the vbus_pwr_fault input for
this condition.
For device-only implementations, this bit shall always be 0.
Over-Current Active.
0 = This port does not have an over-current condition.
1 = This port currently has an over-current condition.
Default = 0.
This bit will automatically transition from 1 to 0 when the over current condition is removed.
For host/OTG implementations the user can provide over-current detection to the vbus_pwr_fault input for
this condition.
For device-only implementations this bit shall always be 0.
Port Enable/Disable Change.
0 = No change.
1 = Port enabled/disabled status has changed.
Default = 0.
In Host Mode:
For the root hub, this bit gets set to a 1 only when a port is disabled due to disconnect on the port or due to
the appropriate conditions existing at the EOF2 point (See Chapter 11 of the USB Specification). Software
clears this by writing a 1 to it.
This field is 0 if Port Power (PP) is 0.
In Device Mode:
The device port is always enabled. (This bit will be 0)
Port Enabled/Disabled.
0 = Disable.
1 = Enable.
Default = 0.
In Host Mode:
Ports can only be enabled by the host controller as a part of the reset and enable. Software cannot enable
a port by writing a 1 to this field. Ports can be disabled by either a fault condition (disconnect event or other
fault condition) or by the host software. Note that the bit status does not change until the port state actually
changes. There may be a delay in disabling or enabling a port due to other host controller and bus events.
When the port is disabled, (0) downstream propagation of data is blocked except for reset.
This field is 0 if Port Power (PP) is 0 in host mode.
In Device Mode:
The device port is always enabled. (This bit will be 1)
Connect Status Change.
0 = No change.
1 = Change in Current Connect Status.
HW_USBCTRL_PORTSC1 field descriptions (continued)
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Description
Freescale Semiconductor, Inc.