MCIMX255AJM4AR2 Freescale Semiconductor, MCIMX255AJM4AR2 Datasheet - Page 118

• 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 90
Table 91
3.7.20.1.2
Table 92
118
US1
US2
US3
US4
US5
US6
US7
US8
No.
USB_TXOE_B
USB_SE0_VM
USB_DAT_VP
Receive
USB_TXOE_B
USB_SE0_VM
USB_DAT_VP
USB_RCV
USB_VM1
USB_VP1
shows the OTG port timing specification in DAT_SE0 bidirectional mode.
defines the DAT_SE0 unidirectional mode signals.
shows the USB receive waveform in DAT_SE0 bidirectional mode diagram.
Name
Rx rise/fall time
Rx rise/fall time
Tx rise/fall time
Tx rise/fall time
Tx rise/fall time
Disable Delay
Enable Delay
Tx duty cycle
Parameter
DAT_SE0 Unidirectional Mode Timing
Table 91. OTG Port Timing Specification in DAT_SE0 Bidirectional Mode
Figure 90. USB Receive Waveform in DAT_SE0 Bidirectional Mode
Table 92. Signal Definitions—DAT_SE0 Unidirectional Mode
i.MX25 Applications Processor for Automotive Products, Rev. 9
US5
Direction
USB_SE0_VM
USB_TXOE_B
USB_SE0_VM
USB_SE0_VM
USB_SE0_VM
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
Signal Name
Out
Out
Out
In
In
In
Transmit enable, active low
Tx data when USB_TXOE_B is low
SE0 drive when USB_TXOE_B is low
Buffered data on DP when USB_TXOE_B is high
Buffered data on DM when USB_TXOE_B is high
Differential Rx data when USB_TXOE_B is high
Direction
US7/US8
Out
Out
Out
Out
In
In
In
In
Min.
49.0
—
—
—
—
—
—
—
Signal Description
Max.
51.0
10.0
5.0
8.0
5.0
5.0
3.0
3.0
US6
Unit
ns
ns
ns
ns
ns
ns
ns
%
Freescale Semiconductor
Reference Signal
USB_TXOE_B
USB_TXOE_B
Conditions/
50 pF
50 pF
50 pF
35 pF
35 pF
—