22.15.5
Notes when Communication is Restarted with the NACK Reception in Master Mode ......................... 773
22.15.6
Notes on the RDRF Flag Set Timing Selection Bit (RDRFS) ............................................................... 773
23.
A/D Converter ........................................................................................................................................... 774
23.1
Overview ......................................................................................................................................................... 774
23.2
Register Descriptions ...................................................................................................................................... 781
23.2.1
A/D Data Register y (ADDRy) (y = A to D) ......................................................................................... 782
23.2.2
A/D Control/Status Register (ADCSR) .................................................................................................. 783
23.2.3
A/D Control Register (ADCR) ............................................................................................................... 785
23.2.4
ADDRy Format Select Register (ADDPR) ............................................................................................ 787
23.2.5
A/D Sampling State Register (ADSSTR) .............................................................................................. 787
23.3
Operation ......................................................................................................................................................... 788
23.3.1
Single Mode ........................................................................................................................................... 788
23.3.2
Scan Mode.............................................................................................................................................. 790
23.3.2.1
Continuous Scan Mode ..................................................................................................................... 790
23.3.2.2
Single Scan Mode .............................................................................................................................. 792
23.3.3
Input Sampling and A/D Conversion Time ............................................................................................ 793
23.3.4
Activation by External Triggers ............................................................................................................. 795
23.3.5
Activation by the Compare-Match/Input-Capture A to D Signals from TPU0 ...................................... 796
23.3.6
Activation by the Compare-Match/Input-Capture A Signals from TPU0 to TPU5 ............................... 797
23.3.7
Activation on Compare-Match of TMR Units ....................................................................................... 798
23.4
Interrupt Source ............................................................................................................................................... 799
23.5
A/D Conversion Accuracy Definitions ........................................................................................................... 799
23.6
Usage Notes .................................................................................................................................................... 801
23.6.1
Module Stop Function Setting................................................................................................................ 801
23.6.2
Notes on Disabling A/D Conversion ...................................................................................................... 801
23.6.3
Notes on Restarting A/D Conversion ..................................................................................................... 801
23.6.4
Notes on Entering Power-Down States .................................................................................................. 801
23.6.5
Permissible Impedance of Signal Sources.............................................................................................. 802
23.6.6
Factors Affecting Absolute Accuracy .................................................................................................... 802
23.6.7
Ranges of Settings for Analog Power Supply and Other Pins ............................................................... 803
23.6.8
Point for Caution Regarding Board Design ........................................................................................... 803
23.6.9
Point for Caution Regarding Countermeasures for Noise ...................................................................... 804
23.6.10
Realizing High-Speed Conversion ......................................................................................................... 805
23.6.11
Notes when Using Multiple Units of A/D Converter ............................................................................. 806
24.
D/A Converter ........................................................................................................................................... 808
24.1
Overview ......................................................................................................................................................... 808
24.2
Register Descriptions ...................................................................................................................................... 810
24.2.1
D/A Data Register y (DADRy) (y = 0, 1) .............................................................................................. 810
24.2.2
D/A Control Register (DACR) ............................................................................................................... 811
Summary of Contents for RX600 Series
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