MC9328MX1_06 Datasheet, PDF (83/100 Pages) Freescale Semiconductor, Inc – MX Family of applications processors

Functional Description and Application Information
USBD_AFE
(Output)
USBD_ROE
(Output)
USBD_VPO
(Output)
1 ^t ROE_VPO
6
t_PERIOD
t _{VMO_ROE} 4
3
t_{VPO_ROE}
USBD_VMO
(Output)
USBD_SUSPND
(Output)
t_{ROE_VMO}
2
t_{FEOPT 5}
USBD_RCV
(Input)
USBD_VP
(Input)
USBD_VM
(Input)
Figure 61. USB Device Timing Diagram for Data Transfer to USB Transceiver (TX)
Table 36. USB Device Timing Parameters for Data Transfer to USB Transceiver (TX)
Ref
No.
Parameter
1 t_{ROE_VPO}; USBD_ROE active to USBD_VPO low
2 t_{ROE_VMO}; USBD_ROE active to USBD_VMO high
3 t_{VPO_ROE}; USBD_VPO high to USBD_ROE deactivated
4 t_{VMO_ROE}; USBD_VMO low to USBD_ROE deactivated (includes SE0)
5 t_FEOPT; SE0 interval of EOP
6 t_PERIOD; Data transfer rate
3.0 ± 0.3 V
Minimum
83.14
81.55
83.54
248.90
160.00
11.97
Maximum
83.47
81.98
83.80
249.13
175.00
12.03
Unit
ns
ns
ns
ns
ns
Mb/s
MC9328MX1 Technical Data, Rev. 7
Freescale Semiconductor
83