MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 570
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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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Queued Analog-to-Digital Converter (QADC)
28.7.3.2 Conversion Cycle Times
Total conversion time is made up of initial sample time, final sample time, and resolution time. Initial
sample time refers to the time during which the selected input channel is coupled through the sample buffer
amplifier to the sample capacitor. The sample buffer is used to quickly reproduce its input signal on the
sample capacitor and minimize charge sharing errors. During the final sampling period the amplifier is
bypassed, and the multiplexer input charges the sample capacitor array directly for improved accuracy.
During the resolution period, the voltage in the sample capacitor is converted to a digital value and stored
in the SAR as shown in
Initial sample time is fixed at two QCLK cycles. Final sample time can be 2, 4, 8, or 16 QCLK cycles,
depending on the value of the IST field in the CCW. Resolution time is 10 QCLK cycles.
A conversion requires a minimum of 14 QCLK cycles (7 μs with a 2.0-MHz QCLK). If the maximum final
sample time period of 16 QCLKs is selected, the total conversion time is 28 QCLKs or 14 μs (with a
2.0-MHz QCLK).
28-32
PQA4
PQA0
PQB3
PQB0
V
V
V
V
DDA
SSA
RH
RL
10-bit A/D Converter
Analog
Power
Figure
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Figure 28-19. QADC Analog Subsystem Block Diagram
28-20.
16
Chan. Decode & MUX
Compar-
ator
Sample
Buffer
16:1
Input
CSAMP
10
Approximation
Internal
Channel
Decode
Successive
State Machine & Logic
4
Register
10
6
SAR Timing
Bias Circuit
Power-
Down
10
2
Freescale Semiconductor
SAR[9:0]
CHAN[5:0]
STOP
RST
QCLK
IST
Start Conv
End OF Conv
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