mpc5644a Freescale Semiconductor, Inc, mpc5644a Datasheet - Page 94

• Manufacturer Part Number: mpc5644a
• Description: Mpc5644a Microcontroller Data Sheet
• Manufacturer: Freescale Semiconductor, Inc

Electrical characteristics
3.9.2
LVDS pads are implemented to support the MSC (Microsecond Channel) protocol which is an enhanced feature of the DSPI
module. The LVDS pads are compliant with LVDS specifications and support data rates up to 50 MHz.
94
1
2
10
#
4
5
6
7
8
9
These are typical values that are estimated from simulation and not tested. Currents apply to output pins only.
All loads are lumped.
Type
Fast
Pad
Data Frequency
Differential output voltage
Common mode voltage
(LVDS), VOS
Rise/Fall time
Propagation delay (Low to
High)
Propagation delay (High to
Low)
Delay (H/L), sync Mode
LVDS pad specifications
Characteristic
I
DRV_FC
Symbol
CC
CC
CC
CC
CC
CC
CC
CC
Preliminary—Subject to Change Without Notice
Table 24. DSPI LVDS pad specification
MPC5644A Microcontroller Data Sheet, Rev. 4
Table 23. V
C
D
D
D
D
D
D
D
D
Period
f
V
V
T
T
T
t
LVDSCLK
PDSYNC
(ns)
R
PLH
PHL
OD
OD
10
10
10
10
10
10
10
10
/T
Symbol
3
3
F
RC33
Load
(pF)
Driver Specs
50
30
20
10
50
30
20
10
CC
CC
CC
CC
CC
CC
CC
CC
CC
pad average DC current
Data Rate
2
C
D
P
P
P
P
D
D
D
D
V
RC33
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
(V)
SRC=0b00
SRC=0b01
SRC=0b10
Condition
or 0b11
—
—
—
V
1.98
1.98
1.98
1.98
(V)
3.6
3.6
3.6
3.6
DDE
Value
1.075
1, 2
Select
Min.
Drive
150
160
1
90
11
10
01
00
11
10
01
00
Value
I
Typ.
DD33
1.2
50
2
4
4
4
(µA)
2.35
1.75
1.41
1.06
1.75
1.32
1.14
0.95
Avg
Freescale Semiconductor
Value
1.325
Max.
320
480
400
I
DD33
(µA)
6.12
3.43
4.56
3.44
2.95
2.62
4.3
2.9
RMS
Unit
MHz
mV
ns
ns
ns
ns
V