MPC564EVB Freescale Semiconductor, MPC564EVB Datasheet - Page 492
![KIT EVAL FOR MPC561/562/563/564](/photos/39/39/393946/mpc564evbimage_sml.jpg)
MPC564EVB
Manufacturer Part Number
MPC564EVB
Description
KIT EVAL FOR MPC561/562/563/564
Manufacturer
Freescale Semiconductor
Type
Microcontrollerr
Specifications of MPC564EVB
Contents
Module Board, Installation Guide, Power Supply, Cable, Software and more
Processor To Be Evaluated
MPC56x
Data Bus Width
32 bit
Interface Type
RS-232, Ethernet
For Use With/related Products
MPC561, 562, 563, 564
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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QADC64E Legacy Mode Operation
operations have no effect. Each location in the CCW table corresponds to a location in the result word
table. When a conversion is completed for a CCW entry, the 10-bit result is written in the corresponding
result word entry. The QADC64E provides 64 CCW table entries.
The beginning of queue 1 is the first location in the CCW table. The first location of queue 2 is specified
by the beginning of queue 2 pointer (BQ2) in QACR2. To dedicate the entire CCW table to queue 1, queue
2 is programmed to be in the disabled mode, and BQ2 is programmed to 64 or greater. To dedicate the
entire CCW table to queue 2, queue 1 is programmed to be in the disabled mode, and BQ2 is specified as
the first location in the CCW
To prepare the QADC64E for a scan sequence, the software writes to the CCW table to specify the desired
channel conversions. The software also establishes the criteria for initiating the queue execution by
programming the queue operating mode. The queue operating mode determines what type of trigger event
causes queue execution to begin. A “trigger event” is used to refer to any of the ways to cause the
QADC64E to begin executing the CCWs in a queue or sub-queue. An “external trigger” is only one of the
possible “trigger events.”
13-28
0x27E (ccw63)
0x200 (ccw0)
P = Pause After Conversion
BYP = Bypass Buffer Amplifier
IST = Input Sample Time
CHAN = Channel Number
and End_of_Queue Code
Note 1: These offsets must be added to the module base address: A = 0x30 4800 or B = 0x30 4C00.
BQ2
P BYP IST
1
1
10-bit Conversion
Conversion Command
Command Word
Word (CCW) Table
(CCW) Format
Begin Queue 1
End of Queue 1
Begin Queue 2
End of Queue 2
Figure 13-15. QADC64E Conversion Queue Operation
table.Figure 13-15
CHAN
MPC561/MPC563 Reference Manual, Rev. 1.2
Analog to Digital
Channel Select,
Sample, Hold,
Conversion
A/D Converter
illustrates the operation of the queue structure.
and
Right Justified, Unsigned Result Format
0 0
0
S
Left Justified, Unsigned Result Format
0
0
Left Justified, Signed Result Format
0 0 0
in 3 Different 16-bit Formats
Result
Result
0
5 6
Software Readable
10-bit Result is
Result Word Table
Result
9 10
9 10
0 0
0 0
0 0 0
0
0 0
15
15
15
Freescale Semiconductor
0
0
Result 0
Result 63
Address Offsets
0x280-0x2FF
0x300-0x37F
S = Sign bit
0x380-0x3FF
1
1
1
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