MC68EN360AI25VL Freescale, MC68EN360AI25VL Datasheet - Page 583

• Manufacturer Part Number: MC68EN360AI25VL
• Manufacturer: Freescale

Specifications of MC68EN360AI25VL

• Family Name: M68000
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 25MHz
• Instruction Set Architecture: RISC
• Operating Supply Voltage (max): 3.3V
• Operating Supply Voltage (min): 2.7V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 240
• Package Type: FQFP
• Lead Free Status / RoHS Status: Compliant

POINTER
POINTER
POINTER
POINTER
STATUS
LENGTH
LENGTH
LENGTH
LENGTH
STATUS
STATUS
STATUS
RECEIVED IN ETHERNET
TIME
TWO FRAMES
E
0
E
E
1
E
1
0
NON-COLLIDED ETHERNET FRAME 1
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
RECEIVE BD 0
RECEIVE BD 2
RECEIVE BD 1
RECEIVE BD 3
L
1
0
L
Freescale Semiconductor, Inc.
XXXX
0040
0045
XXXX
Figure 7-71. Ethernet Rx BD Example
F
1
0
F
For More Information On This Product,
MC68360 USER’S MANUAL
Go to: www.freescale.com
CAUSES BUFFER
CLOSED AFTER
OPTIONAL TAG
APPENDED.
COLLISION
RECEIVED.
LINE IDLE
REUSED.
BUFFER
BUFFER
TO BE
BYTE
FULL
CRC
Serial Communication Controllers (SCCs)
BUFFER
EMPTY
STILL
MRBLR = 64 BYTES FOR THIS SCC
COLLIDED FRAME WILL
SOURCE ADDRESS (6)
BE OVERWRITTEN.
DEST ADDRESS (6)
OLD DATA FROM
TYPE/LENGTH (2)
FRAME 2
DATA BYTES (50)
CRC BYTES (4)
TAG BYTE (1)
BUFFER
BUFFER
BUFFER
EMPTY
EMPTY
EMPTY
BUFFER
COLLISION
PRESENT
TIME
64 BYTES
64 BYTES
64 BYTES
64 BYTES