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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-9-12
Port Input Interrupt....................................................................................................... B-III-9-12
Key Input Interrupt ....................................................................................................... B-III-9-14
Control Registers of the Interrupt Controller............................................................... B-III-9-16
I/O Memory for Input Interrupts ................................................................................... B-III-9-18
Programming Notes.................................................................................................................B-III-9-25
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S1C33L03 TECHNICAL MANUAL
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