MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 462
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
24.3.2
The master sends the slave address in the first byte after the START signal (B). After the seven-bit calling
address, it sends the R/W bit (C), which tells the slave data transfer direction (0 equals write transfer, 1
equals read transfer).
Each slave must have a unique address. An I
be master and slave at the same time.
The slave whose address matches that sent by the master pulls I2C_SDA low at the ninth serial clock (D)
to return an acknowledge bit.
24.3.3
When successful slave addressing is achieved, data transfer can proceed (see E in
byte-by-byte basis in the direction specified by the R/W bit sent by the calling master.
Data can be changed only while I2C_SCL is low and must be held stable while I2C_SCL is high, as
Figure 24-7
device must acknowledge each byte by pulling I2C_SDA low at the ninth clock; therefore, a data byte
transfer takes nine clock pulses. See
24-8
2
C Interface
I2C_SCL
I2C_SDA
I2C_SCL
I2C_SDA
START
Signal
A
Slave Address Transmission
Data Transfer
shows. I2C_SCL is pulsed once for each data bit, with the msb being sent first. The receiving
START
Signal
Bit7
1
AD7 AD6 AD5 AD4 AD3 AD2 AD1 R/W
msb
1
Bit6
2
2
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Bit5
Slave Address
3
Calling Address
3
Figure 24-7. I
Bit4
B
4
4
Bit3
5
5
Figure
Bit2
6
6
Figure 24-8. Data Transfer
2
C Standard Communication Protocol
Bit1
7
7
24-8.
2
(Byte complete)
Interrupt bit set
R/W
lsb
C master must not transmit its own slave address; it cannot
8
C
R/W
Bit0
I2C_
Interrupt is serviced
8
ACK from
Receiver
ACK
Bit
9
SCL held low while
9
D
XXX
I2C_
Interrupt is serviced
Bit7
1
(Byte Complete)
Interrupt Bit Set
SCL held low while
msb
D7
Bit6
1
2
E
D6
2
Bit5
3
Data Byte
D5
3
Bit4
4
Data Byte
D4
4
Bit3
5
D3
5
Bit2
6
D2
6
Figure
Freescale Semiconductor
Bit1
7
D1
7
Bit0
lsb
D0
24-7) on a
8
8
ACK Bit
ACK
No
No
Bit
9
9
STOP
Signal
STOP
Signal
F
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