mpc8641 Freescale Semiconductor, Inc, mpc8641 Datasheet - Page 45

• Manufacturer Part Number: mpc8641
• Description: Integrated Host Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

10 Local Bus
This section describes the DC and AC electrical specifications for the local bus interface of the MPC8641.
10.1
Table 40
DC.
10.2
Table 41
For information about the frequency range of local bus see
Freescale Semiconductor
Local bus cycle time
Local Bus Duty Cycle
LCLK[n] skew to LCLK[m] or LSYNC_OUT
Input setup to local bus clock (except LGTA/LUPWAIT)
LGTA/LUPWAIT input setup to local bus clock
Input hold from local bus clock (except LGTA/LUPWAIT)
LGTA/LUPWAIT input hold from local bus clock
LALE output transition to LAD/LDP output transition (LATCH hold
time)
Local bus clock to output valid (except LAD/LDP and LALE)
Local bus clock to data valid for LAD/LDP
Local bus clock to address valid for LAD
High-level input voltage
Low-level input voltage
Input current
(V
High-level output voltage
(OV
Low-level output voltage
(OV
Note:
1. Note that the symbol V
provides the DC electrical characteristics for the local bus interface operating at OV
describes the timing parameters of the local bus interface at OV
Local Bus DC Electrical Characteristics
Local Bus AC Electrical Specifications
IN
DD
DD
1
= 0 V or V
= min, I
= min, I
MPC8641 and MPC8641D Integrated Host Processor Hardware Specifications, Rev. 2
Table 41. Local Bus Timing Parameters (OV
Parameter
OH
OL
IN
= 2 mA)
= –2 mA)
Table 40. Local Bus DC Electrical Characteristics (3.3 V DC)
= OV
Parameter
DD
IN
)
, in this case, represents the OV
Symbol
V
V
V
V
I
IN
OH
OL
IH
IL
OV
IN
DD
–0.3
Min
—
—
symbol referenced in
Section 18.1, “Clock
t
2
Symbol
t
LBKH
t
t
t
LBKSKEW
t
t
t
t
t
LBKHOV1
LBKHOV2
LBKHOV3
– 0.2
DD
LBIVKH1
LBIVKH2
LBIXKH1
LBIXKH2
LBOTOT
t
LBK
= 3.3 V)m - PLL Enabled
/t
LBK
1
OV
Min
7.5
1.8
1.7
1.0
1.0
1.5
45
—
—
—
—
DD
DD
Max
0.2
0.8
±5
—
+ 0.3
= 3.3 V with PLL enabled.
Table 1
Max
Ranges.”
150
2.0
2.2
2.3
55
—
—
—
—
—
—
and
Table
Unit
μA
V
V
V
V
Unit
ns
ps
ns
ns
ns
ns
ns
ns
ns
ns
%
2.
DD
= 3.3 V
Local Bus
Notes
7, 8
3, 4
3, 4
3, 4
3, 4
—
—
—
—
2
6
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