IAR-KSK-IMX25 Freescale Semiconductor, IAR-KSK-IMX25 Datasheet - Page 121

• Manufacturer Part Number: IAR-KSK-IMX25
• Description: KIT DEVELOPMENT I.MX257, ARM926
• Manufacturer: Freescale Semiconductor
• Series: i.MX25r
• Type: MCUr

Specifications of IAR-KSK-IMX25

• Contents: Board, Cables, CD, Debugger, Power Supply
• Processor To Be Evaluated: I.MX257
• Processor Series: i.MX25
• Data Bus Width: 16 bit
• Interface Type: UART, JTAG, USB, Ethernet, SD/MMC
• Core: ARM926EJ-S
• Silicon Manufacturer: Freescale
• Core Architecture: ARM
• Core Sub-architecture: ARM9
• Silicon Core Number: I.MX2
• Silicon Family Name: I.MX25
• Mcu Supported Families: I.MX25
• For Use With/related Products: i.MX25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 93
Figure 94
Table 95
Freescale Semiconductor
US18
US19
US20
US21
US22
US23
US24
US25
No.
USB_VMOUT
USB_VMIN
USB_TXENB
Transmit
shows the USB port timing specification in VP_VM bidirectional mode.
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
Tx rise/fall time
Tx rise/fall time
Tx rise/fall time
Tx high overlap
Tx low overlap
Disable delay
Tx duty cycle
Enable delay
Table 95. USB Port Timing Specifications in VP_VM Bidirectional Mode
Parameter
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
Figure 93. USB Transmit Waveform in VP_VM Bidirectional Mode
Figure 94. USB Receive Waveform in VP_VM Bidirectional Mode
USB_SE0_VM
USB_TXOE_B
USB_SE0_VM
USB_SE0_VM
USB_SE0_VM
USB_SE0_VM
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
Signal Name
US4
Direction
Out
Out
Out
Out
Out
Out
In
In
US2
US5
Min.
49.0
0.0
—
—
—
—
—
—
Max.
51.0
10.0
5.0
5.0
5.0
0.0
8.0
—
US3
US6
Unit
ns
ns
ns
ns
ns
ns
ns
%
Reference Signal
USB_TXOE_B
USB_TXOE_B
USB_DAT_VP
USB_DAT_VP
US1
Condition/
50 pF
50 pF
50 pF
—
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