mpc8308 Freescale Semiconductor, Inc, mpc8308 Datasheet - Page 44

• Manufacturer Part Number: mpc8308
• Description: Mpc8308 Powerquicc Ii Pro Processor Hardware Specification
• Manufacturer: Freescale Semiconductor, Inc

Enhanced Local Bus
Figure 30
44
Local bus clock to output valid (Note: to be revisited)
Local bus clock to output high impedance for LD (Note: to be
revisited)
Notes:
1. The symbols used for timing specifications follow the pattern of t
2. All timings are in reference to falling edge of LCLK0 (for all outputs and for LGTA and LUPWAIT inputs) or rising edge of
3. All signals are measured from NV
4. Input timings are measured at the pin.
5. For purposes of active/float timing measurements, the Hi-Z or off state is defined to be when the total current delivered
inputs and t
timing (LB) for the input (I) to go invalid (X) with respect to the time the t
for clock one(1).
LCLK0 (for all other inputs).
signaling levels.
through the component pin is less than or equal to the leakage current specification.
provides the AC test load for the local bus.
(First two letters of functional block)(reference)(state)(signal)(state)
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 1
Parameter
Output
Table 37. Local Bus General Timing Parameters (continued)
DD
/2 of the rising/falling edge of LCLK0 to 0.4 × NV
Figure 30. Local Bus AC Test Load
Z
0
= 50 Ω
Symbol
t
t
(First two letters of functional block)(signal)(state) (reference)(state)
LBKHOV
LBKHOZ
for outputs. For example, t
1
LBK
R
L
= 50 Ω
clock reference (K) goes high (H), in this case
Min
—
—
DD
of the signal in question for 3.3-V
NV
Max
DD
3
4
LBIXKH1
/2
Freescale Semiconductor
symbolizes local bus
Unit
ns
ns
Notes
3
5
for