MC68EN360AI25VL Freescale, MC68EN360AI25VL Datasheet - Page 504

• 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

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
PRESENT
TIME