mpc8536e Freescale Semiconductor, Inc, mpc8536e Datasheet - Page 64

• Manufacturer Part Number: mpc8536e
• Description: Mpc8536e Powerquicctm Iii Integrated Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

USB
2.11.1
Table 46
2.11.2 USB AC Electrical Specifications
Table 47
Figure 36
64
usb clock cycle time
Input setup to usb clock - all inputs
input hold to usb clock - all inputs
usb clock to output valid - all outputs
Output hold from usb clock - all outputs
Notes:
1. The symbols for timing specifications follow the pattern of t
2. All timings are in reference to USB clock.
3. All signals are measured from OV
4. Input timings are measured at the pin.
5. For active/float timing measurements, the Hi-Z or off state is defined to be when the total current delivered through the
and t
the input (I) to go invalid (X) with respect to the time the usb clock reference (K) goes high (H). Also, t
timing (US) for the USB clock reference (K) to go high (H), with respect to the output (O) going invalid (X) or output hold time.
signaling levels.
component pin is less than or equal to that of the leakage current specification.
High-level input voltage
Low-level input voltage
Input current
High-level output voltage,
I
Low-level output voltage,
I
Note:
1. The symbol V
OH
OL
= 100 μA
= –100 μA
(First two letters of functional block)(reference)(state)(signal)(state)
provides the DC electrical characteristics for the USB interface.
describes the general timing parameters of the USB interface of the MPC8536E.
and
USB DC Electrical Characteristics
Figure 37
MPC8536E PowerQUICC™ III Integrated Processor Hardware Specifications, Rev. 2
IN
Parameter
, in this case, represents the OV
provide the AC test load and signals for the USB, respectively.
Output
Parameter
DD
Table 46. USB DC Electrical Characteristics
Table 47. USB General Timing Parameters
/2 of the rising edge of the USB clock to 0.4 × OV
Figure 36. USB AC Test Load
Z
0
= 50 Ω
IN
Symbol
t
t
t
t
USKHOV
USKHOX
USIVKH
USIXKH
t
symbol referenced in
USCK
(First two letters of functional block)(signal)(state) (reference)(state)
for outputs. For example, t
1
Min
15
—
4
1
2
Symbol
R
Table 1
V
V
V
V
I
L
IN
OH
OL
IH
IL
= 50 Ω
and
OV
Max
USIXKH
—
—
—
—
DD
7
DD
–0.3
Table
Min
—
—
2
OV
of the signal in question for 3.3 V
– 0.2
DD
symbolizes usb timing (US) for
2.
/2
OV
Freescale Semiconductor
USKHOX
DD
Unit
Max
0.8
0.2
ns
ns
ns
ns
ns
±5
—
+ 0.3
symbolizes USB
Unit
for inputs
μA
Notes
V
V
V
V
2-5
2-5
2-5
2-5
2-5