Renesas M32R/ECU Series, User Manual

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CHAPTER 11 A-D CONVERTERS
11.1 Outline of A-D Converters --------------------------------------------------------------------------------------------- 11-2
11.1.1 Conversion Modes --------------------------------------------------------------------------------------------- 11-6
11.1.2 Operation Modes ----------------------------------------------------------------------------------------------- 11-6
11.1.3 Special Operation Modes ------------------------------------------------------------------------------------ 11-9
11.1.4 A-D Converter Interrupt and DMA Transfer Requests ------------------------------------------------ 11-12
11.1.5 Sample-and-Hold Function ----------------------------------------------------------------------------------- 11-12
11.2 A-D Converter Related Registers ------------------------------------------------------------------------------------ 11-13
11.2.1 A-D Single Mode Registers 0 ------------------------------------------------------------------------------- 11-16
11.2.2 A-D Single Mode Registers 1 ------------------------------------------------------------------------------- 11-18
11.2.3 A-D Scan Mode Registers 0 --------------------------------------------------------------------------------- 11-20
11.2.4 A-D Scan Mode Registers 1 --------------------------------------------------------------------------------- 11-22
11.2.5 A-D Conversion Speed Control Registers --------------------------------------------------------------- 11-24
11.2.6 A-D Disconnection Detection Assist Function Control Registers ----------------------------------- 11-25
11.2.7 A-D Disconnection Detection Assist Method Select Registers ------------------------------------- 11-26
11.2.8 A-D Successive Approximation Registers --------------------------------------------------------------- 11-29
11.2.9 A-D Comparate Data Registers ----------------------------------------------------------------------------- 11-30
11.2.10 10-bit A-D Data Registers ------------------------------------------------------------------------------------ 11-31
11.2.11 8-bit A-D Data Registers -------------------------------------------------------------------------------------- 11-32
11.3 Functional Description of A-D Converters ------------------------------------------------------------------------- 11-33
11.3.1 How to Find Analog Input Voltages ------------------------------------------------------------------------ 11-33
11.3.2 A-D Conversion by Successive Approximation Method ---------------------------------------------- 11-34
11.3.3 Comparator Operation ---------------------------------------------------------------------------------------- 11-35
11.3.4 Calculating the A-D Conversion Time --------------------------------------------------------------------- 11-36
11.3.5 Accuracy of A-D Conversion -------------------------------------------------------------------------------- 11-39
11.4 Inflow Current Bypass Circuit ----------------------------------------------------------------------------------------- 11-41
11.5 Precautions on Using A-D Converters ------------------------------------------------------------------------------ 11-43
CHAPTER 12 SERIAL I/O
12.1 Outline of Serial I/O ----------------------------------------------------------------------------------------------------- 12-2
12.2 Serial I/O Related Registers ------------------------------------------------------------------------------------------ 12-5
12.2.1 SIO Interrupt Related Registers ---------------------------------------------------------------------------- 12-6
12.2.2 SIO Transmit Control Registers ---------------------------------------------------------------------------- 12-14
12.2.3 SIO Transmit/Receive Mode Registers ------------------------------------------------------------------- 12-15
12.2.4 SIO Transmit Buffer Registers ------------------------------------------------------------------------------ 12-18
12.2.5 SIO Receive Buffer Registers ------------------------------------------------------------------------------- 12-19
12.2.6 SIO Receive Control Registers ----------------------------------------------------------------------------- 12-20
12.2.7 SIO Baud Rate Registers ------------------------------------------------------------------------------------ 12-23
12.3 Transmit Operation in CSIO Mode ---------------------------------------------------------------------------------- 12-24
12.3.1 Setting the CSIO Baud Rate --------------------------------------------------------------------------------- 12-24
12.3.2 Initializing CSIO Transmission ------------------------------------------------------------------------------ 12-25
12.3.3 Starting CSIO Transmission --------------------------------------------------------------------------------- 12-27
12.3.4 Successive CSIO Transmission ---------------------------------------------------------------------------- 12-27
12.3.5 Processing at End of CSIO Transmission ---------------------------------------------------------------- 12-28
12.3.6 Transmit Interrupts --------------------------------------------------------------------------------------------- 12-28
12.3.7 Transmit DMA Transfer Request --------------------------------------------------------------------------- 12-28
12.3.8 Example of CSIO Transmit Operation -------------------------------------------------------------------- 12-30