MC68302EH16C Freescale Semiconductor, MC68302EH16C Datasheet - Page 13

• 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

D.3.2
D.3.3
D.3.4
D.3.5
D.3.6
D.3.7
D.3.8
D.4
D.4.1
D.4.2
D.4.3
D.4.4
D.4.5
D.5
D.5.1
D.5.2
D.5.3
D.5.4
D.5.5
D.5.6
D.5.7
D.5.8
D.6
D.6.1
D.6.2
D.6.3
D.6.4
D.6.5
D.6.6
D.6.7
D.6.8
D.6.9
D.6.10
D.6.11
D.6.12
D.6.13
D.6.14
D.6.15
D.7
D.7.1
D.7.2
D.7.3
D.7.4
D.7.5
Paragraph
Number
MOTOROLA
MC68302 Buffer Processing ...................................................................D-8
New Pointers ...........................................................................................D-9
Initial Conditions ....................................................................................D-10
Transmit Algorithm ................................................................................D-10
Interrupt Routine....................................................................................D-10
Final Comments ....................................................................................D-11
HDLC Code Listing................................................................................D-11
Configuring A Uart on the MC68302 .....................................................D-17
Purpose of the Code .............................................................................D-17
Organization of Buffers..........................................................................D-18
Assumptions about the System.............................................................D-19
UART Features Not Discussed .............................................................D-19
UART Code Listing................................................................................D-19
Independent DMA in the MC68302 .......................................................D-23
IDMA Overview .....................................................................................D-23
IDMA Software Initialization ..................................................................D-24
IDMA Bus Arbitration Signals ................................................................D-24
Triggering External IDMA Transfers......................................................D-24
Performing Internally Generated IDMA Transfers .................................D-24
External Cycles Examples.....................................................................D-26
Internal Interrupt Sequence...................................................................D-29
Final Notes ............................................................................................D-30
MC68302 Multiprotocol Controller Tied to IDL Bus Forms and
ISDN Voice/data Terminal.....................................................................D-30
M68000 Core.........................................................................................D-31
Communications Processor ..................................................................D-31
System Integration Block.......................................................................D-31
IDL Bus..................................................................................................D-31
IDL Bus Specification ............................................................................D-32
IMP/IDL Interconnection........................................................................D-33
Serial Interface Configuration................................................................D-35
SCC Configuration ................................................................................D-36
Parallel l/O Port A Configuration ...........................................................D-37
SCP Bus................................................................................................D-37
SCP Configuration.................................................................................D-38
SCP Data Transactions.........................................................................D-38
Additional IMP To S/T Chip Connections ..............................................D-39
Initialization of the MC145475 ...............................................................D-40
MC145554 CODEC Filter......................................................................D-41
Interfacing a Master MC68302 to One or More Slave MC68302s ........D-41
Synchronous vs. Asynchronous Accesses............................................D-43
Clocking.................................................................................................D-43
Programming the Base Address Registers (BARs)...............................D-43
Dealing with Interrupts...........................................................................D-44
Arbitration ..............................................................................................D-44
MC68302 USER’S MANUAL
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Table of Contents
Number
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