MPC8536-RDK Freescale Semiconductor, MPC8536-RDK Datasheet - Page 64

• Manufacturer Part Number: MPC8536-RDK
• Description: BOARD REF COMEXPRESS MPC8536
• Manufacturer: Freescale Semiconductor
• Series: PowerQUICC ™r
• Type: MPUr

Specifications of MPC8536-RDK

• Contents: CSB1880, CSB1801, Cables, Documentation, Enclosure, Power Supply with cord
• For Use With/related Products: MPC8536
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

USB
2.11.1
Table 46
2.11.2
Table 47
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
6. When switching the data pins from outputs to inputs using the USBn_DIR pin, the output timings will be violated on that cycle
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.
because the output buffers are tristated asynchronously. This should not be a problem, because the PHY should not be
functionally looking at these signals on that cycle as per ULPI specifications
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.
USB DC Electrical Characteristics
USB AC Electrical Specifications
IN
Parameter
MPC8536E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 3
, in this case, represents the OV
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
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
Table 1
V
V
V
V
I
IN
OH
OL
IH
IL
and
OV
Max
6
USIXKH
—
—
—
—
DD
7
DD
–0.3
Table
Min
—
—
2
of the signal in question for 3.3 V
– 0.2
symbolizes usb timing (US) for
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