MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 2044

• 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
32.4.4 USB PHY General Control Register (HW_USBPHY_CTRL)
The USB PHY General Control Register handles OTG and Host controls. This register also
includes interrupt enables and connectivity detect enables and results.
HW_USBPHY_CTRL: 0x030
HW_USBPHY_CTRL_SET: 0x034
HW_USBPHY_CTRL_CLR: 0x038
HW_USBPHY_CTRL_TOG: 0x03c
2044
RXDBYPASS
DISCONADJ
ENVADJ
RSVD2
RSVD1
RSVD0
31 23
Field
21 7
6 4
2 0
22
3
Reserved.
0 = Normal operation.
1 = Use the output of the USB_DP single-ended receiver in place of the full-speed differential receiver.
This test mode is intended for lab use only.
Reserved.
The DISCONADJ field adjusts the trip point for the disconnect detector:
0000 = Trip-Level Voltage is 0.57500 V
0001 = Trip-Level Voltage is 0.56875 V
0010 = Trip-Level Voltage is 0.58125 V
0011 = Trip-Level Voltage is 0.58750 V
01XX = Reserved
1XXX = Reserved
Reserved.
The ENVADJ field adjusts the trip point for the envelope detector.
0000 = Trip-Level Voltage is 0.12500 V
0001 = Trip-Level Voltage is 0.10000 V
0010 = Trip-Level Voltage is 0.13750 V
0011 = Trip-Level Voltage is 0.15000 V
01XX = Reserved
1XXX = Reserved
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
HW_USBPHY_RX field descriptions
Description
Freescale Semiconductor, Inc.