MCIMX255AJM4AR2 Freescale Semiconductor, MCIMX255AJM4AR2 Datasheet - Page 119

• 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

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
—
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