MCF5282CVM66 Freescale, MCF5282CVM66 Datasheet - Page 558
MCF5282CVM66
Manufacturer Part Number
MCF5282CVM66
Description
Manufacturer
Freescale
Datasheet
1.MCF5282CVM66.pdf
(766 pages)
Specifications of MCF5282CVM66
Cpu Family
MCF528x
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
66MHz
Interface Type
CAN/I2C/QSPI/UART
Total Internal Ram Size
64KB
# I/os (max)
150
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
3.3V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
256
Package Type
MA-BGA
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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Queued Analog-to-Digital Converter (QADC)
28-20
15, 13
14, 12
11–10
Bit(s)
Address
Reset
R/W:
Field
QS7
Name
TORn
7
CFn
PFn
QS6
Figure 28-11. QADC Status Register 0 (QASR0)
6
Queue completion flag. Indicates that a queue scan has been completed. CF[1:2] is
set by the QADC when the input channel sample requested by the last CCW in the
queue is converted, and the result is stored in the result table.
When CFn is set and queue completion interrupts are enabled (QACRn[CIEn] = 1),
the QADC requests an interrupt. The interrupt request is cleared when a 0 is written
to the CF1 bit after it has been read as a 1. Once set, CF1 can be cleared only by a
reset or by writing a 0 to it.
CF[1:2] is updated by the QADC regardless of whether the corresponding interrupt is
enabled. This allows polled recognition of the queue scan completion.
Queue pause flag. Indicates that a queue scan has reached a pause. PF[1:2] is set by
the QADC when the current queue 1 CCW has the pause bit set, the selected input
channel has been converted, and the result has been stored in the result table.
When PFn is set and interrupts are enabled (QACRn[PIEn] = 1), the QADC requests
an interrupt. The interrupt request is cleared when a 0 is written to PFn, after it has
been read as a 1. Once set, PFn can be cleared only by reset or by writing a 0 to it.
PF1:
1 Queue 1 has reached a pause or gate closed before end-of-queue in gated mode.
0 Queue 1 has not reached a pause or gate has not closed before end-of-queue in
PF2:
1 Queue 2 has reached a pause.
0 Queue 2 has not reached a pause.
See
Queue trigger overrun flag. Indicates that an unexpected trigger event has occurred
for queue 1. TOR[1:2] can be set only while the queue is in the active state.
Once set, TOR[1:2] is cleared only by a reset or by writing a 0 to it.
1 At least one unexpected queue 1 trigger event has occurred or queue 1 reaches an
0 No unexpected queue 1 trigger events have occurred.
gated mode.
end-of-queue condition for the second time in externally gated continuous scan.
Table 28-10. QASR0 Field Descriptions
Table 28-11
CWP5
5
IPSBAR + 0x19_0010, 0x19_0011
for a summary of CCW pause bit response in all scan modes.
CWP4
4
0000_0000
R
CWP3
Description
3
CWP2
2
CWP1
1
Freescale Semiconductor
CWP0
0
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