MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 563
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MCF5282CVF80J
Manufacturer Part Number
MCF5282CVF80J
Description
IC MPU 512K FLASH 256MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF528xr
Datasheet
1.MCF5216CVM66J.pdf
(766 pages)
Specifications of MCF5282CVF80J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
80MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, SPI, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
150
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
256-MAPBGA
Processor Series
MCF528x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5282-KIT
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5282CVF80J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Freescale Semiconductor
15–10
Bit(s)
Address
7–6
5–0
9
8
Reset
R/W:
Field
IST1
Name
CHAN
7
BYP
IST
—
P
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Figure 28-14. Conversion Command Word Table (CCW)
IST0
6
Reserved, should be cleared.
Pause. Allows subqueues to be created within queue 1 and queue 2. The QADC
performs the conversion specified by the CCW with the pause bit set and then the
queue enters the pause state. Another trigger event causes execution to continue from
the pause to the next CCW.
1 Enter pause state after execution of current CCW.
0 Do not enter pause state after execution of current CCW.
NOTE: The P bit does not cause the queue to pause in software-initiated modes or
externally gated modes.
Sample amplifier bypass. Enables the amplifier bypass mode for a conversion and
subsequently changes the timing. The initial sample time is eliminated, reducing the
potential conversion time by two QCLKs. However, due to internal RC effects, a
minimum final sample time of four QCLKs must be allowed. When using this mode,
the external circuit should be of low source impedance. Loading effects of the external
circuitry need to be considered because the benefits of the sample amplifier are not
present.
1 Amplifier bypass mode enabled
0 Amplifier bypass mode disabled
NOTE: BYP is maintained for software compatibility but has no functional benefit on
this version of the QADC.
Input sample time. Specifies the length of the sample window. The input sample time
can be varied, under software control, to accommodate various input channel source
impedances. Longer sample times permit more accurate A/D conversions of signals
with higher source impedances.
Table 28-15
The programmable sample time can also be used to adjust queue execution time or
sampling rate by increasing the time interval between conversions.
Selects the input channel number. The CCW channel field is programmed with the
channel number corresponding to the analog input signal to be sampled and
converted. The analog input signal channel number assignments and the signal
definitions vary depending on whether the QADC multiplexed or non-multiplexed
mode is used by the application. As far as queue scanning operations are concerned,
there is no distinction between an internally or externally multiplexed analog input.
Table 28-16
Table 28-17
Programming the channel field to channel 63 denotes the end of the queue. Channels
60 to 62 are special internal channels. When one of the special channels is selected,
the sampling amplifier is not used. The value of V
directly. Programming any input sample time other than two has no benefit for the
special internal channels except to lengthen the overall conversion time.
Table 28-14. CCW Field Descriptions
CHAN5
5
shows the four selectable input sample times.
shows the channel number assignments for non-multiplexed mode.
shows the channel number assignments for multiplexed mode.
IPSBAR + 0x19_0200, 0x19_027e
CHAN4
4
Undefined
R
CHAN3
Description
3
CHAN2
RL
Queued Analog-to-Digital Converter (QADC)
, V
2
RH
, or (V
CHAN1
RH
1
–V
RL
)/2 is converted
CHAN0
0
28-25
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