MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 460
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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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I
24.2.5
In master-receive mode, reading I2DR allows a read to occur and for the next data byte to be received. In
slave mode, the same function is available after the I
24-6
2
C Interface
RXAK
Field
IAAS
SRW
ICF
IBB
IAL
IIF
7
6
5
4
3
2
1
0
I
0 Transfer in progress
1 Transfer complete. Set by falling edge of ninth clock of a byte transfer.
I
its TX/RX mode accordingly. Writing to I2CR clears this bit.
0 Not addressed.
1 Addressed as a slave. Set when its own address (IADR) matches the calling address.
I
0 Bus is idle. If a STOP signal is detected, IBB is cleared.
1 Bus is busy. When START is detected, IBB is set.
I
to it.)
Reserved, must be cleared.
Slave read/write. When IAAS is set, SRW indicates the value of the R/W command bit of the calling address sent
from the master. SRW is valid only when a complete transfer has occurred, no other transfers have been initiated,
and the I
0 Slave receive, master writing to slave.
1 Slave transmit, master reading from slave.
I
0 No I
1 An interrupt is pending, which causes a processor interrupt request (if IIEN = 1). Set when one of the following
Received acknowledge. The value of I2C_SDA during the acknowledge bit of a bus cycle.
0 An acknowledge signal was received after the completion of 8-bit data transmission on the bus
1 No acknowledge signal was detected at the ninth clock.
2
2
2
2
• I2C_SDA sampled low when the master drives high during an address or data-transmit cycle.
• I2C_SDA sampled low when the master drives high during the acknowledge bit of a data-receive cycle.
• A start cycle is attempted when the bus is busy.
• A repeated start cycle is requested in slave mode.
• A stop condition is detected when the master did not request it.
2
• Complete one byte transfer (set at the falling edge of the ninth clock)
• Reception of a calling address that matches its own specific address in slave-receive mode
• Arbitration lost
C Data transferring bit. While one byte of data is transferred, ICF is cleared.
C addressed as a slave bit. The CPU is interrupted if I2CR[IIEN] is set. Next, the CPU must check SRW and set
C bus busy bit. Indicates the status of the bus.
C arbitration lost. Set by hardware in the following circumstances. (IAL must be cleared by software by writing zero
C interrupt. Must be cleared by software by writing a 0 in the interrupt routine.
occurs:
I
2
C Data I/O Register (I2DR)
2
C interrupt pending
2
C module is a slave and has an address match.
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Table 24-5. I2SR Field Descriptions
Description
2
C has received its slave address.
Freescale Semiconductor
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