MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 437
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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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23.4.1.1
As
The choice of DTIN or internal bus clock is programmed in the UCSR.
23.4.1.2
The following sections describe how to calculate baud rates.
23.4.1.2.1
When the internal bus clock is the UART clocking source, it goes through a divide-by-32 prescaler and
then passes through the 16-bit divider of the concatenated UBG1n and UBG2n registers. The baud-rate
calculation is:
Freescale Semiconductor
Figure 23-17
•
•
An external clock signal on the DTINn pin.
clock; when divided by 16, it is asynchronous.
The internal bus clock supplies an asynchronous clock source divided by 32 and then divided by
the 16-bit value programmed in UBG1n and UBG2n. See
Generator Registers
Programmable Divider
Calculating Baud Rates
DTOUTn
If DTINn is a clocking source for the timer or UART, that timer module
cannot use DTINn for timer input capture.
Internal Bus Clock Baud Rates
DTINn
UTXDn
URXDn
shows, the UARTn transmitter and receiver can use the following clock sources:
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
(UBG1n/UBG2n).”
UART
Rx Buffer
Tx Buffer
Figure 23-17. Clocking Source Diagram
Rx
Tx
Baudrate
Timer Module
On-Chip
Clocking sources programmed in UCSR
=
----------------------------------- -
[
32 x Divider
NOTE
When not divided,
f
sys
Divider
16-bit
÷ 16
÷ 1
]
Section 23.3.11, “UART Baud Rate
÷ 32
DTINn
TIN
TIN
provides a synchronous
Internal
Bus Clock
f
sys
UART Modules
Eqn. 23-1
23-17
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