MCIMX27LMOP4A Freescale, MCIMX27LMOP4A Datasheet - Page 104

• Manufacturer Part Number: MCIMX27LMOP4A
• Manufacturer: Freescale

Specifications of MCIMX27LMOP4A

• Lead Free Status / RoHS Status: Compliant

Electrical Characteristics
4.3.14.3
104
TX Rise/Fall Time
TX Rise/Fall Time
TX Rise/Fall Time
TX Duty Cycle
Enable Delay
Disable Delay
RX Rise/Fall Time
RX Rise/Fall Time
RX Rise/Fall Time
Parameter
VP_VM Bidirectional Mode
USB_TXOE_B
USB_SE0_VM
USB_DAT_VP
Table 54. OTG Port Timing Specification in DAT_SE0 Unidirectional Mode
USB_RCV
Name
Figure 67. USB Receive Waveform in DAT_SE0 Unidirectional Mode
Table 55. Signal Definitions—VP_VM Bidirectional Mode
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_RCV
USB_VM1
USB_VP1
i.MX27 and i.MX27L Data Sheet, Rev. 1.6
Direction
Out (Tx)
Out (Tx)
In (Rx)
In (Rx)
Out
In
Signal Source
Out
Out
Out
Out
In
In
In
In
In
• 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
49.0
Min
—
—
—
—
—
—
—
—
Signal Description
Max
51.0
10.0
5.0
5.0
5.0
8.0
3.0
3.0
3.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
%
Freescale Semiconductor
USB_DAT_VP/
USB_SE0_VM
Reference Signal
USB_TXOE_B
USB_TXOE_B
Condition/
VP, VM,
RCV
50 pF
50 pF
50 pF
35 pF
35 pF
35 pF
—