mpc8313e Freescale Semiconductor, Inc, mpc8313e Datasheet - Page 38

• Manufacturer Part Number: mpc8313e
• Description: Mpc8313e Powerquicc Ii Pro Processor
• Manufacturer: Freescale Semiconductor, Inc

Local Bus
Figure 19
38
Local bus clock to output valid
Local bus clock to output high impedance for LAD
Notes:
1. The symbols used for timing specifications herein 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.t
6.t
7.t
8. For purposes of active/float timing measurements, the Hi-Z or off state is defined to be when the total current delivered
LBOTOT1
LBOTOT2
LBOTOT3
for inputs and t
bus timing (LB) for the input (I) to go invalid (X) with respect to the time the t
case for clock one(1).
LCLK0 (for all other inputs).
signaling levels.
on LAD output pins.
LAD output pins.
through the component pin is less than or equal to the leakage current specification.
should be used when RCWH[LALE] is not set and the load on LALE output pin is at least 10pF less than the load
should be used when RCWH[LALE] is set and the load on LALE output pin is at least 10pF less than the load on
should be used when RCWH[LALE] is set and the load on LALE output pin equals to the load on LAD output pins.
provides the AC test load for the local bus.
(First two letters of functional block)(reference)(state)(signal)(state)
MPC8313E PowerQUICC
Parameter
Output
Table 39. Local Bus General Timing Parameters (continued)
DD
/2 of the rising/falling edge of LCLK0 to 0.4 × NV
Figure 19. Local Bus AC Test Load
Z
™
0
II Pro Processor Hardware Specifications, Rev. 0
= 50 Ω
Symbol
t
t
LBKHOV
LBKHOZ
(First two letters of functional block)(signal)(state) (reference)(state)
for outputs. For example, t
1
R
L
= 50 Ω
LBK
Min
—
—
clock reference (K) goes high (H), in this
DD
of the signal in question for 3.3-V
NV
Max
DD
3
4
/2
LBIXKH1
Freescale Semiconductor
Unit
ns
ns
symbolizes local
Notes
3
8