MCF5282CVM66 Freescale, MCF5282CVM66 Datasheet - Page 342
MCF5282CVM66
Manufacturer Part Number
MCF5282CVM66
Description
Manufacturer
Freescale
Datasheet
1.MCF5282CVM66.pdf
(766 pages)
Specifications of MCF5282CVM66
Cpu Family
MCF528x
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
66MHz
Interface Type
CAN/I2C/QSPI/UART
Total Internal Ram Size
64KB
# I/os (max)
150
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
3.3V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
256
Package Type
MA-BGA
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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Fast Ethernet Controller (FEC)
17.5.4
In the FEC, the descriptor control RISC initializes some registers after ECR[ETHER_EN] is asserted.
After the microcontroller initialization sequence is complete, hardware is ready for operation.
Table 17-34
17.5.5
After setting ECR[ETHER_EN], you can set up the buffer/frame descriptors and write to TDAR and
RDAR. Refer to
17.5.6
The FEC supports an MII interface for 10/100 Mbps Ethernet and a 7-wire serial interface for 10 Mbps
Ethernet. The RCR[MII_MODE] bit select the interface mode. In MII mode (RCR[MII_MODE] set),
there are 18 signals defined by the IEEE 802.3 standard and supported by the EMAC.
these signals.
17-32
Microcontroller Initialization
User Initialization (After Setting ECR[ETHER_EN])
Network Interface Options
shows microcontroller initialization operations.
Table 17-33. FEC User Initialization (Before ECR[ETHER_EN]) (continued)
Section 17.5.1, “Buffer Descriptors,”
Table 17-34. Microcontroller Initialization
Signal Description
Transmit Enable
Transmit Clock
Initialize (Empty) Transmit Descriptor ring
Transmit Error
Transmit Data
Initialize (Empty) Receive Descriptor ring
Initialize BackOff Random Number Seed
Initialize FIFO Count Registers
Initialize Transmit Ring Pointer
Initialize Receive Ring Pointer
Table 17-35. MII Mode
Clear Transmit FIFO
Clear Receive FIFO
Activate Transmitter
Activate Receiver
Description
Description
for more details.
FEC_TXD[3:0]
FEC_TXCLK
FEC_TXEN
FEC_TXER
EMAC pin
Freescale Semiconductor
Table 17-35
shows
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