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NEC PD78F9488 User Manual

Page 18

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18

User’s Manual U15331EJ4V1UD

LIST OF FIGURES (2/6)

Figure No.

Title

Page

5-5

Format of Subclock Control Register............................................................................................................99

5-6

Subclock Selection Register Format ..........................................................................................................100

5-7

External Circuit of Main System Clock Oscillator........................................................................................101

5-8

External Circuit of Subsystem Clock Oscillator...........................................................................................102

5-9

Examples of Incorrect Resonator Connection ............................................................................................103

5-10

Switching Between System Clock and CPU Clock .....................................................................................107


6-1

Block Diagram of 16-Bit Timer 20 ..............................................................................................................109

6-2

Format of 16-Bit Timer Mode Control Register 20......................................................................................111

6-3

Format of Port Mode Register 3 .................................................................................................................112

6-4

Settings of 16-Bit Timer Mode Control Register 20 for Timer Interrupt Operation......................................113

6-5

Timing of Timer Interrupt Operation ...........................................................................................................114

6-6

Settings of 16-Bit Timer Mode Control Register 20 for Timer Output Operation ........................................115

6-7

Timer Output Timing ..................................................................................................................................115

6-8

Settings of 16-Bit Timer Mode Control Register 20 for Capture Operation.................................................116

6-9

Capture Operation Timing (with Both Edges of CPT20 Pin Specified) .......................................................116

6-10

16-Bit Timer Counter 20 Readout Timing...................................................................................................117


7-1

Block Diagram of 24-Bit Event Counter......................................................................................................121

7-2 Block

Diagram of Timer 50.........................................................................................................................123

7-3 Block

Diagram of Timer 60.........................................................................................................................124

7-4 Block

Diagram of Timer 61.........................................................................................................................125

7-5

Block Diagram of Output Controller (Timer 60) ..........................................................................................126

7-6

Format of 8-Bit Timer Mode Control Register 50 .......................................................................................128

7-7

Format of 8-Bit Timer Mode Control Register 60........................................................................................130

7-8

Format of Carrier Generator Output Control Register 60 ...........................................................................131

7-9

Format of 8-Bit Timer Mode Control Register 61........................................................................................132

7-10

Format of Port Mode Register 3 .................................................................................................................133

7-11

Timing of Interval Timer Operation with 8-Bit Resolution (Basic Operation)...............................................136

7-12

Timing of Interval Timer Operation with 8-Bit Resolution (When CRnm Is Set to 00H) ..............................136

7-13

Timing of Interval Timer Operation with 8-Bit Resolution (When CRnm Is Set to FFH)..............................137

7-14

Timing of Interval Timer Operation with 8-Bit Resolution (When CRnm Changes from N to M (N

< M))....137

7-15

Timing of Interval Timer Operation with 8-Bit Resolution (When CRnm Changes from N to M (N

> M))....138

7-16

Timing of Interval Timer Operation with 8-Bit Resolution (When Timer 60 Match Signal Is Selected

for Timer 50 Count Clock) ..........................................................................................................................139

7-17

Timing of Operation of External Event Counter with 8-Bit Resolution ........................................................140

7-18

Timing of Square-Wave Output with 8-Bit Resolution ................................................................................142

7-19

Timing of Interval Timer Operation with 16-Bit Resolution .........................................................................145

7-20

Timing of External Event Counter Operation with 16-Bit Resolution ..........................................................147

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