MCIMX251AJM4AR2 Freescale Semiconductor, MCIMX251AJM4AR2 Datasheet - Page 119
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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Figure 91
Figure 92
Table 93
Freescale Semiconductor
US10
US11
US12
US13
US14
US15
US16
US17
US9
No.
Transmit
Receive
USB_SE0_VM
USB_SE0_VM
USB_DAT_VP
USB_DAT_VP
RCV
shows the USB port timing specification in DAT_SE0 unidirectional mode.
shows the USB transmit waveform in DAT_SE0 unidirectional mode diagram.
shows the USB receive waveform in DAT_SE0 unidirectional mode diagram.
Rx rise/fall time
Rx rise/fall time
Rx rise/fall time
Tx rise/fall time
Tx rise/fall time
Tx rise/fall time
Disable Delay
Tx duty cycle
Enable Delay
Table 93. USB Port Timing Specification in DAT_SE0 Unidirectional Mode
Parameter
Figure 91. USB Transmit Waveform in DAT_SE0 Unidirectional Mode
Figure 92. USB Receive Waveform in DAT_SE0 Unidirectional Mode
i.MX25 Applications Processor for Automotive Products, Rev. 9
US13
US12
USB_SE0_VM
USB_TXOE_B
USB_SE0_VM
USB_SE0_VM
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
Signal Name
USB_VM1
USB_RCV
USB_VP1
Source
Signal
Out
Out
Out
Out
In
In
In
In
In
US17
US9
Min.
49.0
—
—
—
—
—
—
—
—
Max.
51.0
10.0
5.0
5.0
5.0
8.0
3.0
3.0
3.0
US14
Unit
ns
ns
ns
ns
ns
ns
ns
ns
%
US10
Reference Signal
USB_TXOE_B
USB_TXOE_B
Condition/
50 pF
50 pF
50 pF
35 pF
35 pF
35 pF
—
119
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