MPC561MZP56 Freescale, MPC561MZP56 Datasheet - Page 613
MPC561MZP56
Manufacturer Part Number
MPC561MZP56
Description
Manufacturer
Freescale
Datasheet
1.MPC561MZP56.pdf
(1420 pages)
Specifications of MPC561MZP56
Cpu Family
MPC56x
Device Core
PowerPC
Device Core Size
32b
Frequency (max)
56MHz
Interface Type
QSPI/SCI/SPI/UART
Total Internal Ram Size
32KB
# I/os (max)
56
Number Of Timers - General Purpose
22
Operating Supply Voltage (typ)
2.6/5V
Operating Supply Voltage (max)
2.7/5.25V
Operating Supply Voltage (min)
2.5/4.75V
On-chip Adc
2(32-chx10-bit)
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
388
Package Type
BGA
Program Memory Type
ROMLess
Program Memory Size
Not Required
Lead Free Status / RoHS Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MPC561MZP56
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MPC561MZP56R2
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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In
C
to provide charge to C
The following paragraphs provide a simplified description of the interaction between the QADC64E and
the external circuitry. This circuitry is assumed to be a simple RC low-pass filter passing a signal from a
source to the QADC64E input signal. The following simplifying assumptions are made:
14.6.5.1
The source impedance of the analog signal to be measured and any intermediate filtering should be
considered whether external multiplexing is used or not.
typical analog signal sources to one QADC64E analog input signal through a separate multiplexer chip.
Also, an example of an analog signal source connected directly to a QADC64E analog input channel is
displayed.
Freescale Semiconductor
SAMP
Figure
•
•
•
•
is the capacitor array used to sample and hold the input voltage. V
The external capacitor is perfect (no leakage, no significant dielectric absorption characteristics,
etc.)
All parasitic capacitance associated with the input signal is included in the value of the external
capacitor
Inductance is ignored
The “on” resistance of the internal switches is 0 Ω and the “off” resistance is infinite
14-50, R
V
R
C
C
R
C
V
SRC
F
F
P
SRC
SAMP
Source
I
= Filter Impedance
= Filter Capacitor
= Internal Voltage Source During Sample and Hold
Analog Input Considerations
= Internal Parasitic Capacitance
V
SRC
R
= Source Impedance
= Source Voltage
= Sample Capacitor
SRC
F
, R
SRC
SAMP
External Filter
and C
Figure 14-50. Electrical Model of an A/D Input Signal
during sample phase.
R F
C
F
F
MPC561/MPC563 Reference Manual, Rev. 1.2
comprise the external filter circuit. C
Internal Circuit Model
S1
C
P
Figure 14-51
AMP
QADC64E Sample AMP Model
P
shows the connection of eight
S2
I
is the internal parasitic capacitor.
is an internal voltage source used
QADC64E Enhanced Mode Operation
C
SAMP
S3
V
I
14-71
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