MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1964

• 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

USB Controller Flowcharts
31.6.1 References
1964
• USB 2.0 Transceiver Macrocell Interface (UTMI) Speci cation, Version 1.05, March
• VSI Alliance Virtual Component Interface Standard, Version 2 (OCB 2 2.0), April
• Universal Serial Bus Speci cation, Revision 2.0, April 2000, Compaq, Hewlett-Packard,
• On-The-Go Supplement to the USB 2.0 Speci cation, Revision 1.0, Dec 2001,
• Enhanced Host Controller Interface Speci cation for Universal Serial Bus, Revision
2001, Jon Lueker, Steve McGowan (Editor) Ken Oliver, Dean Warren.
http://www.intel.com
2001, On-Chip Bus Development Working Group. http://www.vsi.org
Intel, Lucent, Microsoft, NEC, Philips. http://www.usb.org
On-The-Go Working Group of the USB-IF. http://www.usb.org
0.95, November 2000, Intel Corporation. http://www.intel.com
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Figure 31-4. USB 2.0 PHY PLL Suspend Flowchart
To Other
ARC ISR
Set HW_USBPHY_CTRL_ENIRQRESUMEDETECT
Set all power-down bits in HW_USBPHY_PWD
Set HW_DIGCTRL_CTRL_USB_CLKGATE
Set HW_CLKCTRL_CLKSEQ BYPASS bits
Clear HW_CLKCTRL_PLLCTRL0_POWER
Set all power-down bits in HW_USBPHY_PWD
ARC IRQ
NO
Clear HW_DIGCTL_CTRL_USB_CLKGATE
Set HW_DIGCTL_CTRL_USB_CLKGATE
Figure 31-5. UTMI Powerdown
Clear HW_USBPHY_CTRL_CLKGATE
Clear HW_USBPHY_CTRL_SFTRST
ARC Suspend
YES
Interrupt?
PHY Shut Down
PLL Bypass, switches to XTAL
Prepare USB
controller to deassert
UTMI_RESET
Freescale Semiconductor, Inc.