MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 196

• Manufacturer Part Number: MC68302EH16C
• Description: IC MPU MULTI-PROTOCOL 132-PQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68302EH16C

• Processor Type: M683xx 32-Bit
• Speed: 16MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 132-MQFP, 132-PQFP
• Controller Family/series: 68K
• Core Size: 32 Bit
• Ram Memory Size: 1152Byte
• Cpu Speed: 16MHz
• No. Of Timers: 3
• Embedded Interface Type: SCP, TDM
• Digital Ic Case Style: PQFP
• Rohs Compliant: Yes
• Family Name: M68000
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 16MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 5V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 132
• Package Type: PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

Communications Processor (CP)
4-76
POINTER
POINTER
POINTER
POINTER
LEGEND:
STATUS
LENGTH
STATUS
LENGTH
STATUS
LENGTH
LENGTH
STATUS
RECEIVED IN HDLC
A = ADDRESS BYTE
C = CONTROL BYTE
F = FLAG
TWO FRAMES
TIME
F
E
0
E
1
E
E
A
0
0
A
C
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
STORED IN RX BUFFER
CR = CRC BYTE
I
(24-BITS USED)
I = INFORMATION BYTE
RECEIVE BD 0
(24-BITS USED)
1
(24-BITS USED)
1
(24-BITS USED)
L
RECEIVE BD 2
RECEIVE BD 1
RECEIVE BD 3
L
0
I
XXXX
0008
0003
Figure 4-27. HDLC Receive BD Example
000B
ID
1
F
0
1
F
I
I
I
AB
1
MC68302 USER’S MANUAL
I CR CR F
AFTER CONTROL
ABORT WAS
CLOSED WHEN
CLOSING FLAG
RECEIVED
RECEIVED
BYTE!
BUFFER
BUFFER
BUFFER
EMPTY
FULL
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 2
ADDRESS 2
CRC BYTE 1
UNEXPECTED ABORT
ADDRESS 1
ADDRESS 1
ADDRESS 2
BUFFER
BUFFER
BUFFER
OCCURS BEFORE
BUFFER
EMPTY
EMPTY
EMPTY
CLOSING FLAG!
A
5
C
ABORT/IDLE
MOTOROLA
8 BYTES
8 BYTES
8 BYTES
8 BYTES
PRESENT
TIME