MC68MH360EM25L Freescale Semiconductor, MC68MH360EM25L Datasheet - Page 504

• Manufacturer Part Number: MC68MH360EM25L
• Description: IC MPU QUICC ETHER 25MHZ 240FQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68MH360EM25L

• Processor Type: M683xx 32-Bit
• Speed: 25MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 240-FQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

Serial Communication Controllers (SCCs)
7-180
LEGEND:
POINTER
POINTER
POINTER
POINTER
LENGTH
LENGTH
LENGTH
LENGTH
STATUS
STATUS
STATUS
STATUS
RECEIVED IN HDLC
CR = CRC BYTE
A = ADDRESS BYTE
C = CONTROL BYTE
F = FLAG
I = INFORMATION BYTE
TWO FRAMES
TIME
F
E
0
E
E
E
A
0
0
1
A
C
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
STORED IN RX BUFFER
I
RECEIVE BD 0
RECEIVE BD 3
L
RECEIVE BD 1
L
RECEIVE BD 2
1
1
L
0
I
000B
0008
0003
XXXX
F
1
F
F
0
1
Freescale Semiconductor, Inc.
I
Figure 7-52. HDLC Rx BD Example
For More Information On This Product,
I
I
AB
MC68360 USER’S MANUAL
1
I
Go to: www.freescale.com
CR CR
F
AFTER CONTROL
CLOSED WHEN
CLOSING FLAG
ABORT WAS
RECEIVED
RECEIVED
BUFFER
BYTE!
BUFFER
BUFFER
FULL
EMPTY
STILL
LINE IDLE
MRBLR = 8 BYTES FOR THIS SCC
STORED IN RX BUFFER
F
LAST I-FIELD BYTE
CONTROL BYTE
CONTROL BYTE
(I-FIELD) BYTES
INFORMATION
A
CRC BYTE 1
CRC BYTE 2
ADDRESS 2
ADDRESS 1
UNEXPECTED ABORT
ADDRESS 1
ADDRESS 2
BUFFER
BUFFER
BUFFER
BUFFER
OCCURS BEFORE
EMPTY
EMPTY
EMPTY
CLOSING FLAG!
A
5
C
ABORT/IDLE
8 BYTES
8 BYTES
8 BYTES
8 BYTES
MOTOROLA
PRESENT
TIME