MPC8349 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
MPC8349
Freescale Semiconductor
'MPC8349' PDF : 88 Pages View PDF
Local Bus
10 Local Bus
This section describes the DC and AC electrical specifications for the local bus interface of the
MPC8349E.
10.1 Local Bus DC Electrical Characteristics
Table 33 provides the DC electrical characteristics for the local bus interface.
Table 33. Local Bus DC Electrical Characteristics
Parameter
High-level input voltage
Low-level input voltage
Input current
High-level output voltage, IOH = –100 μA
Low-level output voltage, IOL = 100 μA
Symbol
VIH
VIL
IIN
VOH
VOL
Min
2
–0.3
—
OVDD – 0.2
—
Max
OVDD + 0.3
0.8
±5
—
0.2
Unit
V
V
μA
V
V
10.2 Local Bus AC Electrical Specification
Table 34 and Table 35 describe the general timing parameters of the local bus interface of the MPC8349E.
Table 34. Local Bus General Timing Parameters—DLL On
Parameter
Symbol1
Min
Max
Unit Notes
Local bus cycle time
tLBK
7.5
Input setup to local bus clock (except LUPWAIT)
tLBIVKH1
1.5
LUPWAIT input setup to local bus clock
tLBIVKH2
2.2
Input hold from local bus clock (except LUPWAIT)
tLBIXKH1
1.0
LUPWAIT Input hold from local bus clock
tLBIXKH2
1.0
LALE output fall to LAD output transition (LATCH hold time)
tLBOTOT1
1.5
LALE output fall to LAD output transition (LATCH hold time)
tLBOTOT2
3
LALE output fall to LAD output transition (LATCH hold time)
tLBOTOT3
2.5
Local bus clock to LALE rise
tLBKHLR
—
Local bus clock to output valid (except LAD/LDP and LALE)
tLBKHOV1
—
Local bus clock to data valid for LAD/LDP
tLBKHOV2
—
Local bus clock to address valid for LAD
tLBKHOV3
—
Output hold from local bus clock (except LAD/LDP and LALE)
tLBKHOX1
1
—
ns
2
—
ns
3, 4
—
ns
3, 4
—
ns
3, 4
—
ns
3, 4
—
ns
5
—
ns
6
—
ns
7
4.5
ns
4.5
ns
4.5
ns
3
4.5
ns
3
—
ns
3
MPC8349E PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications, Rev. 10
34
Freescale Semiconductor
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