MPC8321E Freescale Semiconductor, Inc, MPC8321E Datasheet - Page 46

• Manufacturer Part Number: MPC8321E
• Description: Mpc8321e Powerquicc Ii Pro Processor
• Manufacturer: Freescale Semiconductor, Inc

USB
Figure 40
20 USB
This section provides the AC and DC electrical specifications for the USB interface of the MPC8323E.
20.1
Table 53
20.2
Table 54
46
High-level input voltage
Low-level input voltage
High-level output voltage, I
Low-level output voltage, I
Input current
Note:
1. Note that the symbol V
USB clock cycle time
USB clock cycle time
Skew between TXP and TXN
Skew among RXP, RXN, and RXD
MPC8323E PowerQUICC™ II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 1
Serial CLK (Output)
Note: The clock edge is selectable.
provides the DC electrical characteristics for the USB interface.
describes the general timing parameters of the USB interface of the MPC8323E.
USB DC Electrical Characteristics
USB AC Electrical Specifications
shows the timing with internal clock.
Output Signals:
Input Signals:
Parameter
(See Note)
(See Note)
IN
OL
OH
, in this case, represents the OV
Parameter
= 100 μA
= –100 μA
Figure 40. AC Timing (Internal Clock) Diagram
Table 53. USB DC Electrical Characteristics
Table 54. USB General Timing Parameters
t
HIIVKH
t
Symbol
USRSPND
t
USTSPN
t
t
USCK
USCK
1
t
HIKHOX
t
IN
HIIXKH
symbol referenced in
t
166.67
HIKHOV
20.83
Min
—
—
Symbol
V
V
V
V
I
OH
IN
OL
IH
IL
Max
10
—
—
5
Table 1
OV
1
DD
–0.3
Min
—
—
2
and
Unit
– 0.2
ns
ns
ns
ns
Table
Full speed 48 MHz
Low speed 6 MHz
Full speed transitions
Freescale Semiconductor
2.
OV
DD
Max
0.8
0.2
±5
—
+ 0.3
Notes
Unit
μA
V
V
V
V