MPC8358E_11 FREESCALE [Freescale Semiconductor, Inc], MPC8358E_11 Datasheet - Page 64

• Manufacturer Part Number: MPC8358E_11
• Description: PowerQUICC II Pro Processor Revision 2.1 PBGA Silicon
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

USB
20 USB
This section provides the AC and DC electrical specifications for the USB interface of the MPC8358E.
20.1
Table 63
20.2
Figure 51
64
High-level input voltage
Low-level input voltage
High-level output voltage, I
Low-level output voltage, I
Input current
Table 64
USB clock cycle time
USB clock cycle time
Skew between TXP and TXN
Skew among RXP, RXN, and RXD
Skew among RXP, RXN, and RXD
Notes:
1. The symbols used for timing specifications follow the pattern of t
2.Skew measurements are done at OV
and t
USB receive signals skew (RS) among RXP, RXN, and RXD (PND). Also, t
transmit signals skew (TS) between TXP and TXN (PN).
(first two letters of functional block)(state)(signal)
MPC8358E PowerQUICC II Pro Processor Revision 2.1 PBGA Silicon Hardware Specifications, Rev. 3
provides the DC electrical characteristics for the USB interface.
USB DC Electrical Characteristics
USB AC Electrical Specifications
describes the general timing parameters of the USB interface of the device.
provide the AC test load for the USB.
Parameter
OL
OH
Output
Parameter
= 100 μA
= –100 μA
Table 63. USB DC Electrical Characteristics
Table 64. USB General Timing Parameters
DD
/2 of the rising or falling edge of the signals.
Figure 51. USB AC Test Load
for transmit signals. For example, t
Z
0
= 50 Ω
t
Symbol
USRSPND
t
t
USRPND
USTSPN
t
t
USCK
USCK
1
(first two letters of functional block)(state)(signal)
166.67
20.83
Min
—
—
—
Symbol
V
V
V
V
I
OH
IN
OL
IH
IL
R
USTSPN
L
= 50 Ω
USRSPND
Max
100
10
—
—
5
symbolizes USB timing (US) for the USB
OV
DD
–0.3
Min
—
—
symbolizes USB timing (US) for the
2
OV
– 0.4
Unit
DD
ns
ns
ns
ns
ns
/2
Freescale Semiconductor
OV
Full speed 48 MHz
Low speed 6 MHz
—
Full speed transitions
Low speed transitions
DD
Max
±10
0.8
0.2
—
for receive signals
+ 0.3
Notes
Unit
μA
V
V
V
V