Download MC68302 Integrated Multiprotocol Processor User`s Manual
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Table of Contents Freescale Semiconductor, Inc... Paragraph Number Freescale Semiconductor, Inc. Title Page Number 4.5.15.2 4.5.15.3 4.5.15.4 4.5.15.5 4.5.15.6 4.5.15.7 4.5.15.8 4.5.15.9 4.5.15.10 4.5.16 4.5.16.1 4.5.16.2 4.5.16.3 4.5.16.4 4.5.16.5 4.5.16.6 4.5.16.7 4.5.16.8 4.5.16.9 4.5.16.10 4.5.16.11 4.6 4.6.1 4.6.2 4.6.3 4.7 4.7.1 4.7.1.1 4.7.1.2 4.7.2 4.7.3 4.7.4 4.7.4.1 4.7.4.2 4.7.4.3 4.7.4.4 4.7.5 Rate Adaption of 48- and 56-kbps User Rates to 64 kbps...................4-116 Adaption for Asynchronous Rates up to 19.2 kbps..............................4-117 V.110 Controller Overview. ..................................................................4-117 V.110 Programming Model ..................................................................4-118 Error-Handling Procedure ....................................................................4-118 V.110 Receive Buffer Descriptor (Rx BD)............................................4-118 V.110 Transmit Buffer Descriptor (Tx BD) ...........................................4-120 V.110 Event Register ...........................................................................4-121 V.110 Mask Register............................................................................4-122 Transparent Controller .........................................................................4-122 Transparent Channel Buffer Transmission Processing .......................4-123 Transparent Channel Buffer Reception Processing.............................4-124 Transparent Memory Map....................................................................4-125 Transparent Commands ......................................................................4-126 Transparent Synchronization ...............................................................4-126 Transparent Error-Handling Procedure................................................4-128 Transparent Mode Register .................................................................4-129 Transparent Receive Buffer Descriptor (RxBD)...................................4-130 Transparent Transmit Buffer Descriptor (Tx BD) .................................4-131 Transparent Event Register .................................................................4-133 Transparent Mask Register..................................................................4-134 Serial Communication Port (SCP) .......................................................4-134 SCP Programming Model ....................................................................4-136 SCP Transmit/Receive Buffer Descriptor.............................................4-137 SCP Transmit/Receive Processing......................................................4-137 Serial Management Controllers (SMCs) ..............................................4-138 Overview ..............................................................................................4-138 Using IDL with the SMCs .....................................................................4-138 Using GCI with the SMCs ....................................................................4-138 SMC Programming Model....................................................................4-139 SMC Commands..................................................................................4-140 SMC Memory Structure and Buffers Descriptors.................................4-140 SMC1 Receive Buffer Descriptor .........................................................4-141 SMC1 Transmit Buffer Descriptor ........................................................4-142 SMC2 Receive Buffer Descriptor .........................................................4-142 SMC2 Transmit Buffer Descriptor ........................................................4-143 SMC Interrupt Requests ......................................................................4-143 5.1 5.2 5.3 5.4 5.5 Section 5 Signal Description Functional Groups....................................................................................5-1 Power Pins...............................................................................................5-2 Clocks ......................................................................................................5-4 System Control ........................................................................................5-5 Address Bus Pins (A23–A1) ....................................................................5-7 x MC68302 USER’S MANUAL For More Information On This Product, Go to: www.freescale.com MOTOROLA