MPC8358 FREESCALE [Freescale Semiconductor, Inc], MPC8358 Datasheet - Page 39

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

Table 40
Freescale Semiconductor
Local bus cycle time
Input setup to local bus clock
Input hold from local bus clock
LALE output fall to LAD output transition (LATCH hold time)
LALE output fall to LAD output transition (LATCH hold time)
LALE output fall to LAD output transition (LATCH hold time)
Local bus clock to output valid
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 rising edge of LSYNC_IN.
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
LBOTOT1
LBOTOT2
LBOTOT3
(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
go high (H), with respect to the output (O) going invalid (X) or output hold time.
signaling levels.
the load on LAD output pins.
load on LAD output pins.
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
describes the general timing parameters of the local bus interface of the device.
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 39. Local Bus General Timing Parameters—DLL Enabled (continued)
for inputs and t
Table 40. Local Bus General Timing Parameters—DLL Bypass Mode
Parameter
Parameter
(First two letters of functional block)(reference)(state)(signal)(state)
DD
/2 of the rising edge of LSYNC_IN to 0.4 × OV
LBKHOX
symbolizes local bus timing (LB) for the t
Symbol
t
t
t
t
LBOTOT1
LBOTOT2
LBOTOT3
t
t
LBKHOV
LBIVKH
LBIXKH
t
LBK
Symbol
t
LBKHOZ
1
(First two letters of functional block)(signal)(state)
1
Min
Min
1.0
1.5
2.5
—
15
—
7
3
DD
for outputs. For example, t
of the signal in question for 3.3-V
LBK
Max
Max
3.8
—
—
—
—
—
—
LBK
3
clock reference (K) goes
clock reference (K) to
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
LBIXKH1
Notes
Notes
Local Bus
3, 4
3, 4
2
5
6
7
3
39