Epson S1C33210 Technical Manual page 10

TABLE OF CONTENTS
III-7 CLOCK TIMER ...............................................................................................B-III-7-1
Configuration of Clock Timer.........................................................................................................................B-III-7-1
Control and Operation of the Clock Timer ...............................................................................................B-III-7-2
Interrupt Function ..............................................................................................................................................B-III-7-4
Examples of Use of Clock Timer .................................................................................................................B-III-7-6
I/O Memory of Clock Timer............................................................................................................................B-III-7-7
Programming Notes........................................................................................................................................B-III-7-12
III-8 SERIAL INTERFACE ......................................................................................B-III-8-1
Configuration of Serial Interfaces ................................................................................................................B-III-8-1
Features of Serial Interfaces...........................................................................................................B-III-8-1
I/O Pins of Serial Interface .............................................................................................................................B-III-8-2
Setting Transfer Mode ......................................................................................................................B-III-8-3
Clock-Synchronized Interface.......................................................................................................................B-III-8-4
Outline of Clock-Synchronized Interface....................................................................................B-III-8-4
Setting Clock-Synchronized Interface.........................................................................................B-III-8-5
Control and Operation of Clock-Synchronized Transfer......................................................B-III-8-7
Asynchronous Interface ................................................................................................................................B-III-8-12
Outline of Asynchronous Interface .............................................................................................B-III-8-12
Setting Asynchronous Interface ..................................................................................................B-III-8-13
Control and Operation of Asynchronous Transfer................................................................B-III-8-16
IrDA Interface ....................................................................................................................................................B-III-8-21
Outline of IrDA Interface .................................................................................................................B-III-8-21
Setting IrDA Interface ......................................................................................................................B-III-8-21
Control and Operation of IrDA Interface...................................................................................B-III-8-23
Serial Interface Interrupts and DMA.........................................................................................................B-III-8-24
I/O Memory of Serial Interface....................................................................................................................B-III-8-28
Programming Notes........................................................................................................................................B-III-8-46
III-9 INPUT/OUTPUT PORTS .................................................................................B-III-9-1
Input Ports (K Ports).........................................................................................................................................B-III-9-1
Structure of Input Port.......................................................................................................................B-III-9-1
Input-Port Pins .....................................................................................................................................B-III-9-2
Notes on Use........................................................................................................................................B-III-9-2
I/O Memory of Input Ports ...............................................................................................................B-III-9-3
I/O Ports (P Ports).............................................................................................................................................B-III-9-4
Structure of I/O Port...........................................................................................................................B-III-9-4
I/O Port Pins .........................................................................................................................................B-III-9-4
I/O Control Register and I/O Modes............................................................................................B-III-9-5
I/O Memory of I/O Ports ...................................................................................................................B-III-9-6
Input Interrupt ...................................................................................................................................................B-III-9-11
Port Input Interrupt ...........................................................................................................................B-III-9-11
Key Input Interrupt............................................................................................................................B-III-9-13
Control Registers of the Interrupt Controller..........................................................................B-III-9-15
I/O Memory for Input Interrupts ...................................................................................................B-III-9-17
Programming Notes .........................................................................................................................B-III-9-23
III-10 Mobile Access Interfaces............................................................................ B-III-10-1
Configuration of Mobile Access Interfaces ............................................................................................B-III-10-1
I/O Pins for Mobile Access Interfaces.......................................................................................B-III-10-2
Basic Settings for Mobile Access Interfaces ..........................................................................B-III-10-4
UART Communications Mode....................................................................................................................B-III-10-7
Overview...............................................................................................................................................B-III-10-7
PDC Communications Mode.......................................................................................................................B-III-10-8
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