mpc8306 Freescale Semiconductor, Inc, mpc8306 Datasheet - Page 31

• Manufacturer Part Number: mpc8306
• Description: Powerquicc Ii Pro Integrated Communications Processor Family Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

10.1
The following table provides the DC electrical characteristics for the MPC8306 HDLC protocol.
10.2
The following table provides the input and output AC timing specifications for HDLC protocol.
The following figure provides the AC test load.
Freescale Semiconductor
Output high voltage
Output low voltage
Input high voltage
Input low voltage
Input current
Outputs—Internal clock delay
Outputs—External clock delay
Outputs—Internal clock high impedance
Outputs—External clock high impedance
Inputs—Internal clock input setup time
Inputs—External clock input setup time
Inputs—Internal clock input hold time
Inputs—External clock input hold time
Notes:
1. Output specifications are measured from the 50% level of the rising edge of QE_CLK_IN to the 50% level of the signal.
2. The symbols used for timing specifications follow the pattern of t
Timings are measured at the pin.
inputs and t
internal timing (HI) for the time t
MPC8306 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 2
HDLC DC Electrical Characteristics
HDLC AC Timing Specifications
(first two letters of functional block)(reference)(state)(signal)(state)
Characteristic
Characteristic
Output
serial
Table 30. HDLC DC Electrical Characteristics
Table 31. HDLC AC Timing Specifications
memory clock reference (K) goes from the high state (H) until outputs (O) are invalid (X).
Figure 22. AC Test Load
Symbol
Z
0
V
V
V
V
I
= 50 
OH
IN
OL
IH
IL
0 V  V
I
OH
I
OL
Condition
(first two letters of functional block)(signal)(state)(reference)(state)
for outputs. For example, t
= –2.0 mA
= 3.2 mA
—
—
IN
OV
Symbol
t
t
t
t
t
t
HEKHOV
HEKHOX
t
t
HIKHOV
HIKHOX
HEIVKH
HEIXKH
HIIVKH
HIIXKH
R
L
DD
= 50 
2
1
–0.3
Min
2.4
2.0
—
—
OV
Min
0
1
0
1
9
4
0
1
DD
HIKHOX
/2
OV
symbolizes the outputs
DD
Max
0.5
0.8
±5
Max
—
5.5
12
—
—
—
—
9
8
+ 0.3
Unit
Unit
A
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
for
HDLC
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