MPC8358 FREESCALE [Freescale Semiconductor, Inc], MPC8358 Datasheet - Page 65

• Manufacturer Part Number: MPC8358
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

20 USB
This section provides the AC and DC electrical specifications for the USB interface of the MPC8358E.
20.1
Table 63
20.2
Freescale Semiconductor
Table 64
MPC8358E PowerQUICC™ II Pro Processor Revision 2.1 PBGA Silicon Hardware Specifications, Rev. 1
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 herein follow the pattern of t
2.Skew measurements are done at OV
provides the DC electrical characteristics for the USB interface.
(signal)
t
(PND). Also, t
TXN (PN).
USB DC Electrical Characteristics
USB AC Electrical Specifications
USRSPND
describes the general timing parameters of the USB interface of the device.
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
OH
OL
Table
= 100 μA
= –100 μA
for receive signals and t
Parameter
symbolizes usb timing (US) for the usb receive signals skew (RS) among RXP, RXN, and RXD
2.
USTSPN
Parameter
symbolizes usb timing (US) for the usb transmit signals skew (TS) between TXP and
Table 63. USB DC Electrical Characteristics
IN
Table 64. USB General Timing Parameters
, in this case, represents the OV
(First two letters of functional block)(state)(signal)
Symbol
t
t
USRSPND
t
USTSPN
USRPND
DD
t
t
USCK
USCK
/2 of the rising or falling edge of the signals.
1
166.67
Symbol
20.83
Min
—
—
—
V
V
V
V
I
OH
IN
OL
IH
IL
Max
100
10
—
—
IN
5
OV
symbol referenced in
DD
–0.3
Min
—
—
2
– 0.4
for transmit signals. For example,
Unit
(First two letters of functional block)(state)
ns
ns
ns
ns
ns
OV
DD
Max
±10
0.8
0.2
low speed transitions
full speed transitions
—
full speed 48MHz
low speed 6MHz
+ 0.3
Table 1
Notes
and
Unit
μA
V
V
V
V
USB
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