11/2/95
SECTION 1: OVERVIEW
UM Rev 1
Freescale Semiconductor, Inc.
LIST OF ILLUSTRATIONS (Continued)
Figure
Page
Number
Title
Number
6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
DMA Block Diagram...............................................................................................6-1
Single-Address Transfers .....................................................................................6-3
Dual-Address Transfer...........................................................................................6-3
DMA External Connections to Serial Module....................................................6-6
Single-Address Read Timing (External Burst)..................................................6-8
Single-Address Read Timing (Cycle Steal).......................................................6-9
Single-Address Write Timing (External Burst)...................................................6-10
Single-Address Write Timing (Cycle Steal).......................................................6-11
Dual-Address Read Timing (External Burst—Source Requesting)...............6-13
6-10 Dual-Address Read Timing (Cycle Steal—Source Requesting)...................6-14
6-11 Dual-Address Write Timing (External Burst—Destination Requesting)........6-16
6-12 Dual-Address Write Timing (Cycle Steal—Destination Requesting)............6-17
6-13 Fast Termination Option (Cycle Steal)................................................................6-21
6-14 Fast Termination Option (External Burst—Source Requesting)....................6-22
6-15 DMA Module Programming Model......................................................................6-23
6-16 Packing and Unpacking of Operands.................................................................6-35
7-1
7-2
7-3
7-4
7-5
7-6
7-7
7-8
7-9
Simplified Block Diagram......................................................................................7-1
External and Internal Interface Signals..............................................................7-5
Baud Rate Generator Block Diagram..................................................................7-8
Transmitter and Receiver Functional Diagram..................................................7-9
Transmitter Timing Diagram .................................................................................7-10
Receiver Timing Diagram......................................................................................7-12
Looping Modes Functional Diagram...................................................................7-15
Multidrop Mode Timing Diagram .........................................................................7-16
Serial Module Programming Model....................................................................7-19
7-10 Serial Module Programming Flowchart..............................................................7-41
8-1
8-2
8-3
8-4
8-5
8-6
8-7
8-8
8-9
Simplified Block Diagram......................................................................................8-1
Timer Functional Diagram.....................................................................................8-3
External and Internal Interface Signals..............................................................8-5
Input Capture/Output Compare Mode.................................................................8-7
Square-Wave Generator Mode............................................................................8-8
Variable Duty-Cycle Square-Wave Generator Mode......................................8-10
Variable-Width Single-Shot Pulse Generator Mode........................................8-11
Pulse-Width Measurement Mode........................................................................8-12
Period Measurement Mode..................................................................................8-14
8-10 Event Count Mode..................................................................................................8-15
8-11 Timer Module Programming Model.....................................................................8-18
9-1
9-2
Test Access Port Block Diagram..........................................................................9-2
TAP Controller State Machine..............................................................................9-3
MOTOROLA
MC68340 USER'S MANUAL
xix
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