Epson S1C17W18 Technical Manual page 12

CONTENTS
19.2.2 External Connections .................................................................................... 19-2
19.3 Clock Settings .............................................................................................................. 19-3
19.3.1 RFC Operating Clock ..................................................................................... 19-3
19.3.2 Clock Supply in SLEEP Mode ....................................................................... 19-3
19.3.3 Clock Supply in DEBUG Mode ...................................................................... 19-3
19.4 Operations ................................................................................................................... 19-3
19.4.1 Initialization .................................................................................................... 19-3
19.4.2 Operating Modes ........................................................................................... 19-4
19.4.3 RFC Counters ................................................................................................ 19-4
19.4.4 Converting Operations and Control Procedure ............................................. 19-5
19.4.5 CR Oscillation Frequency Monitoring Function ............................................. 19-7
19.5 Interrupts ...................................................................................................................... 19-7
19.6 Control Registers ......................................................................................................... 19-8
RFC Ch.n Clock Control Register ............................................................................................ 19-8
RFC Ch.n Control Register ....................................................................................................... 19-8
RFC Ch.n Oscillation Trigger Register ...................................................................................... 19-9
RFC Ch.n Measurement Counter Low and High Registers .................................................... 19-10
RFC Ch.n Time Base Counter Low and High Registers ......................................................... 19-10
RFC Ch.n Interrupt Flag Register ............................................................................................ 19-11
RFC Ch.n Interrupt Enable Register ........................................................................................ 19-11
20 12-bit A/D Converter (ADC12A) ................................................................................20-1
20.1 Overview ...................................................................................................................... 20-1
20.2 Input Pins and External Connections ........................................................................... 20-2
20.2.1 List of Input Pins ............................................................................................ 20-2
20.2.2 External Connections .................................................................................... 20-2
20.3 Clock Settings .............................................................................................................. 20-2
20.3.1 ADC12A Operating Clock .............................................................................. 20-2
20.3.2 Sampling Time ............................................................................................... 20-2
20.4 Operations ................................................................................................................... 20-3
20.4.1 Initialization .................................................................................................... 20-3
20.4.2 Conversion Start Trigger Source.................................................................... 20-3
20.4.3 Conversion Mode and Analog Input Pin Settings .......................................... 20-4
20.4.4 A/D Conversion Operations and Control Procedures .................................... 20-4
20.5 Interrupts ...................................................................................................................... 20-6
20.6 Control Registers ......................................................................................................... 20-6
ADC12A Ch.n Control Register ................................................................................................ 20-6
ADC12A Ch.n Trigger/Analog Input Select Register ................................................................ 20-7
ADC12A Ch.n Configuration Register ...................................................................................... 20-8
ADC12A Ch.n Interrupt Flag Register ...................................................................................... 20-9
ADC12A Ch.n Interrupt Enable Register ................................................................................. 20-10
ADC12A Ch.n Result Register m ............................................................................................. 20-10
21 Temperature Sensor/Reference Voltage Generator (TSRVR) ................................21-1
21.1 Overview ...................................................................................................................... 21-1
21.2 Output Pin and External Connections ......................................................................... 21-1
21.2.1 Output Pin ...................................................................................................... 21-1
21.2.2 External Connections .................................................................................... 21-2
21.3 Operations ................................................................................................................... 21-2
21.3.1 Reference Voltage Setting ............................................................................. 21-2
21.3.2 Temperature Sensor Setting .......................................................................... 21-2
21.4 Control Registers ......................................................................................................... 21-3
TSRVR Ch.n Temperature Sensor Control Register ................................................................. 21-3
TSRVR Ch.n Reference Voltage Generator Control Register ................................................... 21-3
x
Seiko Epson Corporation
S1C17W18 TECHNICAL MANUAL
(Rev. 1.2)