MCIMX251AJM4AR2 Freescale Semiconductor, MCIMX251AJM4AR2 Datasheet - Page 120
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MCIMX251AJM4AR2
Manufacturer Part Number
MCIMX251AJM4AR2
Description
Processors - Application Specialized IMX25 1.2 AUTO
Manufacturer
Freescale Semiconductor
Datasheet
1.MCIMX251AJM4AR2.pdf
(140 pages)
Specifications of MCIMX251AJM4AR2
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
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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
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