MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 179

• 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

MOTOROLA
POINTER
POINTER
POINTER
POINTER
STATUS
LENGTH
LENGTH
LENGTH
LENGTH
STATUS
STATUS
STATUS
RECEIVED BY UART
CHARACTERS
TIME
E
0
E
1
0
E
0
E
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
32-BIT BUFFER POINTER
10 CHARS
(24-BITS USED)
RECEIVE BD 1
RECEIVE BD 0
RECEIVE BD 3
(24-BITS USED)
(24-BITS USED)
(24-BITS USED)
RECEIVE BD 2
0008
0004
0002
XXXX
ID
ID
1
0
ID
0
Figure 4-21. UART Rx BD Example
MC68302 USER’S MANUAL
FR
1
LONG IDLE PERIOD
FRAMING ERROR
BYTE 4 HAS
IDLE TIMEOUT
OCCURRED
RECEPTION
PROGRESS
WITH THIS
STILL IN
BUFFER
BUFFER
FULL
MRBLR = 8 BYTES FOR THIS SCC
STORED UNLESS IDLE
Communications Processor (CP)
COUNT EXPIRES
BYTES WILL BE
BYTE 4 ERROR!
HAS FRAMING ERROR!
FOURTH CHARACTER
ADDITIONAL
(MAX_IDL)
BUFFER
BUFFER
BUFFER
BYTE 10
BYTE 9
EMPTY
EMPTY
BUFFER
BYTE 2
BYTE 3
BYTE 5
BYTE 1
BYTE 8
BYTE 1
BYTE 2
ETC.
5 CHARS
PRESENT
TIME
8 BYTES
8 BYTES
8 BYTES
8 BYTES
4-59