MCIMX255AJM4AR2 Freescale Semiconductor, MCIMX255AJM4AR2 Datasheet - Page 120

• Manufacturer Part Number: MCIMX255AJM4AR2
• Description: Processors - Application Specialized IMX25 1.2 AUTO
• Manufacturer: Freescale Semiconductor

Specifications of MCIMX255AJM4AR2

• Core: ARM926EJ-S
• Processor Series: MCIMX25
• Maximum Clock Frequency: 400 MHz
• Instruction / Data Cache Memory: 16 KB
• Data Ram Size: 128 KB
• Operating Supply Voltage: 1.15 V to 1.52 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MAPBGA-400
• Interface Type: USB
• Memory Type: DDR2
• Minimum Operating Temperature: - 40 C

3.7.20.1.3
Table 94
Figure 93
Figure 94
120
USB_VMOUT
USB_TXOE_B
USB_SE0_VM
USB_DAT_VP
USB_VMIN
USB_TXENB
USB_RCV
Transmit
defines the VP_VM bidirectional mode signals.
Name
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
VP_VM Bidirectional Mode Timing
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. 9
Table 94. Signal Definitions—VP_VM Bidirectional Mode
Direction
Out (Tx)
Out (Tx)
In (Rx)
In (Rx)
US4
Out
In
US2
US5
• Transmit enable, active low
• Tx VP data when USB_TXOE_B is low
• Rx VP data when USB_TXOE_B is high
• Tx VM data when USB_TXOE_B low
• Rx VM data when USB_TXOE_B high
• Differential Rx data
Signal Description
US3
US6
Freescale Semiconductor
US1