MC9328MX21S_08 Datasheet, PDF (53/88 Pages) Freescale Semiconductor, Inc – i.MX family of microprocessors 266 MHz

Specifications
USB_ON
(Output)
USB_OE
(Output)
USB_TXDP
(Output)
USB_TXDM
(Output)
USB_RXDP
(Input)
1
t_FEOPR
USB_RXDM
(Input)
Figure 43. USB Timing Diagram for Data Transfer from USB Transceiver (RX)
Table 36. USB Timing Parameters for Data Transfer from USB Transceiver (RX)
Ref No.
Parameter
3.0 V ± 0.3 V
Unit
Minimum
Maximum
1
t_FEOPR; Receiver SE0 interval of EOP
82
–
ns
The USBOTG I²C communication protocol consists of six components: START, Data Source/Recipient,
Data Direction, Slave Acknowledge, Data, Data Acknowledge, and STOP.
USBG_SDA
5
3
4
USBG_SCL
1
2
6
Figure 44. USB Timing Diagram for Data Transfer from USB Transceiver (I²C)
Table 37. USB Timing Parameters for Data Transfer from USB Transceiver (I²C)
Ref No.
Parameter
1
Hold time (repeated) START condition
2
Data hold time
3
Data setup time
4
HIGH period of the SCL clock
5
LOW period of the SCL clock
6
Setup time for STOP condition
1.8 V ± 0.1 V
Unit
Minimum
Maximum
188
–
ns
0
188
ns
88
–
ns
500
–
ns
500
–
ns
185
–
ns
MC9328MX21S Technical Data, Rev. 1.3
Freescale Semiconductor
53