MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 870
MPC555CME
Manufacturer Part Number
MPC555CME
Description
KIT EVALUATION FOR MPC555
Manufacturer
Freescale Semiconductor
Type
Microcontrollerr
Datasheet
1.MPC555CME.pdf
(966 pages)
Specifications of MPC555CME
Contents
Module Board, Installation Guide, Power Supply, Cable, Software and more
Processor To Be Evaluated
MPC555
Data Bus Width
32 bit
Interface Type
RS-232
For Use With/related Products
MPC555
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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E.2 MPC555 / MPC556 Family Power Distribution
MPC555 / MPC556
USER’S MANUAL
NOTE 1: The main power supply may
optionally supply operating current to reduce
the keep alive current requirements.
See the circuit in
8.12.1 System Clock Control Register (SCCR)
NOTE 2: Resistor R
Space should be left on the board to add it
in the future if necessary.
Figure E-1 MPC555 / MPC556 Family Power Distribution Diagram — 3 V
1 nF
Keyed
Vcc 3.3 V
(Main Supply)
1 nF
KAP 3 V
1
is currently not required.
1µF
1 µF
CLOCK AND BOARD GUIDELINES
BOARD
Rev. 15 October 2000
<50 Ω
.
100 nF
100 nF
(1 for each pad
(1 for each pad,
>10 Ω
NOTE 3: All 100 nF capacitors should be
NOTE 4: C
placed close to the pin.
100 nF
4 total)
Cx(pf)
Cy(pf)
100 nF
100 nF
8 total)
Q1
100 nF
Cxfc
L
is a function of specific crystal, C
R1
3
MPC555 / MPC556
VDDL (external 3 V)
VSS (external gnd -
shorted to vss)
VDDI (internal 3 V)
VSS (internal gnd)
VDDF
VDDSYN
XFC
VSSSYN
EXTAL
XTAL
KAPWR
VDDSRAM
L
MOTOROLA
= C
X
+ C
Y.
E-2
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