MC68360EM25VL Freescale Semiconductor, MC68360EM25VL Datasheet - Page 583

• Manufacturer Part Number: MC68360EM25VL
• Description: IC MPU QUICC 25MHZ 240-FQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68360EM25VL

• Processor Type: M683xx 32-Bit
• Speed: 25MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 240-FQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

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