MCIMX251AJM4 Freescale Semiconductor, MCIMX251AJM4 Datasheet - Page 118

• Manufacturer Part Number: MCIMX251AJM4
• Description: IC MPU IMX25 AUTO 400MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX25r

Specifications of MCIMX251AJM4

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: 1-Wire, CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, I²S, POR, PWM, WDT
• Number Of I /o: 128
• Program Memory Type: External Program Memory
• Ram Size: 144K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.52 V
• Data Converters: A/D 3x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 400-MAPBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

3.7.20.1.1
Table 90
Figure 89
Figure 90
118
USB_TXOE_B
USB_SE0_VM
USB_DAT_VP
USB_TXOE_B
USB_SE0_VM
Transmit
USB_DAT_VP
USB_SE0_VM
USB_DAT_VP
Receive
Name
defines the DAT_SE0 bidirectional mode signals.
shows the USB transmit waveform in DAT_SE0 bidirectional mode diagram.
shows the USB receive waveform in DAT_SE0 bidirectional mode diagram.
DAT_SE0 Bidirectional Mode Timing
Figure 89. USB Transmit Waveform in DAT_SE0 Bidirectional Mode
Figure 90. USB Receive Waveform in DAT_SE0 Bidirectional Mode
Table 90. Signal Definitions—DAT_SE0 Bidirectional Mode
i.MX25 Applications Processor for Automotive Products, Rev. 8
US5
Direction
Out
Out
Out
In
In
US4
Transmit enable, active low
Tx data when USB_TXOE_B is low
Differential Rx data when USB_TXOE_B is high
SE0 drive when USB_TXOE_B is low
SE0 Rx indicator when USB_TXOE_B is high
US7/US8
US1
Signal Description
US6
Freescale Semiconductor
US2