Figure
Title
Page
M68HC11
REFERENCE MANUAL
LIST OF FIGURES
MOTOROLA
xiii
8-1
8-2
8-3
8-4
8-5
8-6
8-7
8-8
8-9
8-10
8-11
8-12
CPHA Equals Zero SPI Transfer Format .......................................................8-2
CPHA Equals One SPI Transfer Format ........................................................8-3
SPI System Block Diagram ............................................................................8-4
Delay from Write SPDR to Transfer Start (Master) ......................................8-12
Transfer Ending for an SPI Master ...............................................................8-13
Transfer Ending for an SPI Slave .................................................................8-14
Hardware Hookup for Examples 8–1 and 8–2 .............................................8-15
Register Definitions and RAM Variables for Examples 8–1 and 8–2 ...........8-16
Example 8–1 Software Listing (Sheet 1 of 2) ...............................................8-17
Timing Analysis for Example 8–1 .................................................................8-19
Example 8–2 Software Listing ......................................................................8-20
Timing Analysis for Example 8–2 (Sheet 1 of 2) ..........................................8-21
9-1
9-2
9-3
9-4
9-5
9-6
9-7
9-8
9-9
9-10
9-11
9-12
9-13
9-14
9-15
9-16
SCI Transmitter Block Diagram ......................................................................9-2
SCI Receiver Block Diagram ..........................................................................9-4
TxD Pin Logic Block Diagram .......................................................................9-19
Start Bit — Ideal Case ..................................................................................9-22
Start Bit — Noise Case One .........................................................................9-22
Start Bit — Noise Case Two .........................................................................9-23
Start Bit — Noise Case Three ......................................................................9-24
Start Bit — Noise Case Four ........................................................................9-24
Start Bit — Noise Case Five .........................................................................9-25
Start Bit — Noise Case Six ..........................................................................9-25
Baud-Rate Frequency Tolerance .................................................................9-27
Baud-Rate Generator Block Diagram ...........................................................9-31
Transmitter Enable Timing Details ...............................................................9-33
Write SCDR to Serial Data Start ..................................................................9-34
Ending Details of Transmission ....................................................................9-35
RDRF Flag-Setting Details ...........................................................................9-36
10-1
10-2
10-3
10-4
10-5
10-6
10-7
10-8
10-9
10-10
10-11
Main Timer System Block Diagram ..............................................................10-3
Timing Summary for Oscillator Divider Signals ............................................10-6
Major Clock Divider Chains in the MC68HC11A8 ........................................10-9
Measuring a Period with Input Capture ......................................................10-19
Timing Analysis for Example 10–1 .............................................................10-19
Measuring a Pulse Width with Input Capture .............................................10-22
Timing Analysis for Example 10–2 .............................................................10-23
Measuring Long Periods with Input Capture and TOF (Sheet 1 of 2) ........10-26
Simple Output-Compare Example ..............................................................10-31
Generating a Square Wave with Output Compare .....................................10-33
Timing Analysis for Example 10–5 .............................................................10-34