MC9328MX21 Datasheet, PDF (65/106 Pages) Motorola, Inc – i.MX family of microprocessors

USB_ON
(Output)
USB_OE
(Output)
1 ^t OEB_TXDP
USB_TXDP
(Output)
USB_TXDM
(Output)
t_{OEB_TXDM}
2
6
t_PERIOD
Specifications
t _{TXDM_OEB} 4
3
t_{TXDP_OEB}
t_{FEOPT 5}
USB_VP
(Input)
USB_VM
(Input)
Figure 50. USB Timing Diagram for Data Transfer to USB Transceiver (TX)
Table 38. USB Timing Parameter Table for Data Transfer to USB Transceiver (TX)
Ref
No.
Parameter
3.0 +/- 0.3V
Unit
Minimum Maximum
1 t_{OEB_TXDP}; USBD_OE active to USBD_TXDP low
2 t_{OEB_TXDM}; USBD_OE active to USBD_TXDM high
3 t_{TXDP_OEB}; USBD_TXDP high to USBD_OE deactivated
4 t_{TXDM_OEB}; USBD_TXDM low to USBD_OE deactivated (includes SE0)
5 t_FEOPT; SE0 interval of EOP
6 t_PERIOD; Data transfer rate
83.14
81.55
83.54
248.9
160
11.97
83.47
81.98
83.8
249.13
175
12.03
ns
ns
ns
ns
ns
Mb/s
MC9328MX21 Product Preview, Rev. 1.1
Freescale Semiconductor
65