MCIMX255AJM4A Freescale Semiconductor, MCIMX255AJM4A Datasheet - Page 121

• Manufacturer Part Number: MCIMX255AJM4A
• Description: IC MPU IMX25 AUTO 400MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX25r

Specifications of MCIMX255AJM4A

• 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, LCD, 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: -

Figure 93
Figure 94
Table 95
Freescale Semiconductor
US18
US19
US20
US21
US22
US23
US24
US25
No.
USB_VMOUT
USB_VMIN
USB_TXENB
Transmit
shows the USB port timing specification in VP_VM bidirectional mode.
USB_VPOUT
shows the USB transmit waveform in VP_VM bidirectional mode diagram.
shows the USB receive waveform in VP_VM bidirectional mode diagram.
Receive
USB_VPIN
Tx rise/fall time
Tx rise/fall time
Tx rise/fall time
Tx high overlap
Tx low overlap
Disable delay
Tx duty cycle
Enable delay
Table 95. USB Port Timing Specifications in VP_VM Bidirectional Mode
Parameter
Figure 93. USB Transmit Waveform in VP_VM Bidirectional Mode
Figure 94. USB Receive Waveform in VP_VM Bidirectional Mode
i.MX25 Applications Processor for Automotive Products, Rev. 8
USB_SE0_VM
USB_TXOE_B
USB_SE0_VM
USB_SE0_VM
USB_SE0_VM
USB_SE0_VM
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
Signal Name
US4
Direction
Out
Out
Out
Out
Out
Out
In
In
US2
US5
Min.
49.0
0.0
—
—
—
—
—
—
Max.
51.0
10.0
5.0
5.0
5.0
0.0
8.0
—
US3
US6
Unit
ns
ns
ns
ns
ns
ns
ns
%
Reference Signal
USB_TXOE_B
USB_TXOE_B
USB_DAT_VP
USB_DAT_VP
US1
Condition/
50 pF
50 pF
50 pF
—
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