MPC8358 FREESCALE [Freescale Semiconductor, Inc], MPC8358 Datasheet - Page 40

• Manufacturer Part Number: MPC8358
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Local Bus
Figure 20
40
Local bus clock to output high impedance for LAD/LDP
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 OV
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
9. DLL bypass mode is not recommended for use at frequencies above 66MHz.
(reference)(state)
symbolizes local bus timing (LB) for the input (I) to go invalid (X) with respect to the time the t
high (H), in this case for clock one(1). Also, t
high (H), with respect to the output (O) going invalid (X) or output hold time.
LCLK0 (for all other inputs).
signaling levels.
LBOTOT1
the load on LAD output pins.
LBOTOT2
load on LAD output pins.
LBOTOT3
pins.
through the component pin is less than or equal to the leakage current specification.
MPC8358E PowerQUICC™ II Pro Processor Revision 2.1 PBGA Silicon Hardware Specifications, Rev. 1
provides the AC test load for the local bus.
should be used when RCWH[LALE] is set and when the load on LALE output pin equals to the load on LAD output
should be used when RCWH[LALE] is not set and when the load on LALE output pin is at least 10pF less than
should be used when RCWH[LALE] is set and when the load on LALE output pin is at least 10pF less than the
Table 40. Local Bus General Timing Parameters—DLL Bypass Mode (continued)
for inputs and t
Parameter
Output
(First two letters of functional block)(reference)(state)(signal)(state)
DD
/2 of the rising/falling edge of LCLK0 to 0.4 × OV
Figure 20. Local Bus C Test Load
LBKHOX
Z
0
= 50 Ω
symbolizes local bus timing (LB) for the t
Symbol
t
LBKHOZ
1
(First two letters of functional block)(signal)(state)
R
L
= 50 Ω
Min
—
for outputs. For example, t
DD
OV
of the signal in question for 3.3-V
DD
LBK
Max
LBK
/2
4
clock reference (K) to go
clock reference (K) goes
Freescale Semiconductor
Unit
ns
LBIXKH1
Notes