Datasheet

MPC8306 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 2
32 Freescale Semiconductor
USB
Figure 23 and Figure 24 represent the AC timing from Table 31. Note that although the specifications
generally reference the rising edge of the clock, these AC timing diagrams also apply when the falling edge
is the active edge.
The following figure shows the timing with external clock.
Figure 23. AC Timing (External Clock) Diagram
The following figure shows the timing with internal clock.
Figure 24. AC Timing (Internal Clock) Diagram
11 USB
11.1 USB Controller
This section provides the AC and DC electrical specifications for the USB (ULPI) interface.
11.1.1 USB DC Electrical Characteristics
The following table provides the DC electrical characteristics for the USB interface.
11.1.2 USB AC Electrical Specifications
The following table describes the general timing parameters of the USB interface.
Serial CLK (Input)
t
HEIXKH
t
HEIVKH
t
HEKHOV
Input Signals:
(See Note)
Output Signals:
(See Note)
Note: The clock edge is selectable.
t
HEKHOX
Serial CLK (Output)
t
HIIXKH
t
HIKHOV
Input Signals:
(See Note)
Output Signals:
(See Note)
t
HIIVKH
t
HIKHOX
Note: The clock edge is selectable.