32172 datasheet(13/875 Pages) RENESAS

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11.2.6 A-D Digital Input Control Registers .................................................. 11-35

11.2.7 A-D Successive Approximation Registers ........................................ 11-36

11.2.8 A-D Comparate Data Registers ........................................................ 11-38

11.2.9 10-bit A-D Data Registers ................................................................ 11-40

11.2.10 8-bit A-D Data Registers ................................................................ 11-42

11.3 Functional Description of the A-D Converters ...................................................... 11-44

11.3.1 How to Find Analog Input Voltages ................................................... 11-44

11.3.2 A-D Conversion of Successive Approximation Method .................... 11-45

11.3.3 Comparator Operation ...................................................................... 11-47

11.3.4 Calculating the A-D Conversion Time .............................................. 11-48

11.3.5 Definition of the A-D Conversion Accuracy ....................................... 11-52

11.4 Precautions on Using the A-D Converters ........................................................... 11-54

CHAPTER 12 SERIAL I/O

12.1 Outline of Serial I/O ............................................................................................. 12-2

12.2 Serial I/O Related Registers ................................................................................ 12-8

12.2.1 SIO Interrupt Related Registers ........................................................ 12-10

12.2.2 SIO Interrupt Control Registers ........................................................ 12-12

12.2.3 SIO Transmit Control Registers ....................................................... 12-19

12.2.4 SIO Transmit/Receive Mode Registers ............................................ 12-21

12.2.5 SIO Transmit Buffer Registers ......................................................... 12-24

12.2.6 SIO Receive Buffer Registers .......................................................... 12-25

12.2.7 SIO Receive Control Registers ........................................................ 12-26

12.2.8 SIO Baud Rate Registers ................................................................. 12-29

12.3 Transmit Operation in CSIO Mode ...................................................................... 12-31

12.3.1 Setting the CSIO Baud Rate ............................................................ 12-31

12.3.2 Initial Settings for CSIO Transmission .............................................. 12-32

12.3.3 Starting CSIO Transmission ............................................................. 12-34

12.3.4 Successive CSIO Transmission ....................................................... 12-34

12.3.5 Processing at End of CSIO Transmission ........................................ 12-35

12.3.6 Transmit Interrupt ............................................................................. 12-35

12.3.7 Transmit DMA Transfer Request ...................................................... 12-35

12.3.8 Typical CSIO Transmit Operation .................................................... 12-37

12.4 Receive Operation in CSIO Mode ....................................................................... 12-39

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32172 Datasheet(PDF) 13 Page - Renesas Technology Corp