Table of Contents
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CONTENTS
REMC3 Data Bit Length Register ........................................................................................ 18-10
REMC3 Status and Interrupt Flag Register ......................................................................... 18-10
REMC3 Interrupt Enable Register ....................................................................................... 18-11
REMC3 Carrier Waveform Register ..................................................................................... 18-11
REMC3 Carrier Modulation Control Register ...................................................................... 18-11
19 12-bit A/D Converter (ADC12A) ................................................................................19-1
19.1 Overview ...................................................................................................................... 19-1
19.2 Input Pins and External Connections ........................................................................... 19-2
19.2.1 List of Input Pins .................................................................................................. 19-2
19.2.2 External Connections .......................................................................................... 19-2
19.3 Clock Settings .............................................................................................................. 19-2
19.3.1 ADC12A Operating Clock .................................................................................... 19-2
19.3.2 Sampling Time ..................................................................................................... 19-2
19.4 Operations ................................................................................................................... 19-3
19.4.1 Initialization .......................................................................................................... 19-3
19.4.2 Conversion Start Trigger Source ......................................................................... 19-3
19.4.3 Conversion Mode and Analog Input Pin Settings ............................................... 19-4
19.4.4 A/D Conversion Operations and Control Procedures ......................................... 19-4
19.5 Interrupts ...................................................................................................................... 19-6
19.6 DMA Transfer Requests ............................................................................................... 19-6
19.7 Control Registers ......................................................................................................... 19-7
ADC12A Ch.n Control Register ............................................................................................ 19-7
ADC12A Ch.n Trigger/Analog Input Select Register ............................................................ 19-8
ADC12A Ch.n Configuration Register .................................................................................. 19-9
ADC12A Ch.n Interrupt Flag Register ................................................................................. 19-10
ADC12A Ch.n Interrupt Enable Register ............................................................................. 19-10
ADC12A Ch.n DMA Request Enable Register m................................................................. 19-11
ADC12A Ch.n Result Register ............................................................................................. 19-11
20 R/F Converter (RFC) ..................................................................................................20-1
20.1 Overview ...................................................................................................................... 20-1
20.2 Input/Output Pins and External Connections .............................................................. 20-2
20.2.1 List of Input/Output Pins ..................................................................................... 20-2
20.2.2 External Connections .......................................................................................... 20-2
20.3 Clock Settings .............................................................................................................. 20-3
20.3.1 RFC Operating Clock .......................................................................................... 20-3
20.3.2 Clock Supply in SLEEP Mode ............................................................................. 20-3
20.3.3 Clock Supply in DEBUG Mode............................................................................ 20-3
20.4 Operations ................................................................................................................... 20-3
20.4.1 Initialization .......................................................................................................... 20-3
20.4.2 Operating Modes ................................................................................................. 20-4
20.4.3 RFC Counters ...................................................................................................... 20-4
20.4.4 Converting Operations and Control Procedure ................................................... 20-5
20.4.5 CR Oscillation Frequency Monitoring Function................................................... 20-7
20.5 Interrupts ...................................................................................................................... 20-7
20.6 Control Registers ......................................................................................................... 20-8
RFC Ch.n Clock Control Register ......................................................................................... 20-8
RFC Ch.n Control Register ................................................................................................... 20-8
RFC Ch.n Oscillation Trigger Register .................................................................................. 20-9
RFC Ch.n Measurement Counter Low and High Registers ................................................. 20-10
RFC Ch.n Time Base Counter Low and High Registers ...................................................... 20-10
RFC Ch.n Interrupt Flag Register ........................................................................................ 20-11
RFC Ch.n Interrupt Enable Register .................................................................................... 20-11
x
Seiko Epson Corporation
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
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