Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 - Page 9

TABLE OF CONTENTS
S1C33L03 TECHNICAL MANUAL EPSON v
III PERIPHERAL BLOCK
III-1 INTRODUCTION ......................................................................................................... B-III-1-1
III-2 PRESCALER............................................................................................................... B-III-2-1
Configuration of Prescaler.........................................................................................................B-III-2-1
Source Clock .............................................................................................................................B-III-2-1
Selecting Division Ratio and Output Control for Prescaler ......................................................B-III-2-2
Source Clock Output to 8-Bit Programmable Timer.................................................................B-III-2-2
I/O Memory of Prescaler ...........................................................................................................B-III-2-3
Programming Notes...................................................................................................................B-III-2-8
III-3 8-BIT PROGRAMMABLE TIMERS............................................................................ B-III-3-1
Configuration of 8-Bit Programmable Timer.............................................................................B-III-3-1
Output Pins of 8-Bit Programmable Timers..............................................................................B-III-3-1
Uses of 8-Bit Programmable Timers.........................................................................................B-III-3-2
Control and Operation of 8-Bit Programmable Timer...............................................................B-III-3-4
Control of Clock Output.............................................................................................................B-III-3-7
8-Bit Programmable Timer Interrupts and DMA.......................................................................B-III-3-8
I/O Memory of 8-Bit Programmable Timers............................................................................B-III-3-10
Programming Notes.................................................................................................................B-III-3-17
III-4 16-BIT PROGRAMMABLE TIMERS.......................................................................... B-III-4-1
Configuration of 16-Bit Programmable Timer...........................................................................B-III-4-1
I/O Pins of 16-Bit Programmable Timers..................................................................................B-III-4-2
Uses of 16-Bit Programmable Timers.......................................................................................B-III-4-3
Control and Operation of 16-Bit Programmable Timer ............................................................B-III-4-4
Controlling Clock Output ...........................................................................................................B-III-4-7
16-Bit Programmable Timer Interrupts and DMA.....................................................................B-III-4-9
I/O Memory of 16-Bit Programmable Timers..........................................................................B-III-4-12
Programming Notes.................................................................................................................B-III-4-25
III-5 WATCHDOG TIMER................................................................................................... B-III-5-1
Configuration of Watchdog Timer .............................................................................................B-III-5-1
Control of Watchdog Timer .......................................................................................................B-III-5-1
Operation in Standby Modes.....................................................................................................B-III-5-2
I/O Memory of Watchdog Timer................................................................................................B-III-5-3
Programming Notes...................................................................................................................B-III-5-3
III-6 LOW-SPEED (OSC1) OSCILLATION CIRCUIT ....................................................... B-III-6-1
Configuration of Low-Speed (OSC1) Oscillation Circuit ..........................................................B-III-6-1
I/O Pins of Low-Speed (OSC1) Oscillation Circuit ...................................................................B-III-6-1
Oscillator Types.........................................................................................................................B-III-6-2
Controlling Oscillation................................................................................................................B-III-6-3
Switching Over the CPU Operating Clock................................................................................B-III-6-3
Power-Control Register Protection Flag ...................................................................................B-III-6-4
Operation in Standby Mode ......................................................................................................B-III-6-4
OSC1 Clock Output to External Devices ..................................................................................B-III-6-4
I/O Memory of Low-Speed (OSC1) Oscillation Circuit.............................................................B-III-6-5
Programming Notes...................................................................................................................B-III-6-8