![Mitsubishi 32172 User Manual Download Page 510](http://html1.mh-extra.com/html/mitsubishi/32172/32172_user-manual_1808662510.webp)
12
12-40
Rev.1.0
Figure 12.4.1 Procedure for CSIO Receive Initialization
Note 1 : This is necessary when you use the internal clock.
Note 2 : When you selected the internal clock and a divide-by ratio = 1, you are subject to limitations
that the baud rate generator must be set not to exceed 2 Mbps.
(8) Selecting pin functions
Because the serial I/O related pins serve dual purposes (shared with input/output ports), set pin
functions. (Refer to Chapter 8, "Input/Output Ports and Pin Functions.")
SERIAL I/O
12.4 Receive Operation in CSIO Mode
Set SIO Transmit/Receive Mode Register
Initial settings for CSIO
reception
• Set to CSIO mode
• Select internal or external clock
(When using DMAC)
Set DMAC
(When using interrupt)
Set the Interrupt Controller
• Enable/disable transmit buffer
empty interrupt
Set SIO Interrupt Mask Register
• Divide-by ratio H'00 to H'FF
(Note
2)
Set SIO Baud Rate Register
• Select clock divider's divide-by ratio
(Note
1)
Set SIO Transmit Control Register
Set input/output port
Operation Mode Register
Serial I/O
related
registers
Initial settings for CSIO
reception finished
• Set receive enable bit
Set SIO Receive Control Register
Summary of Contents for 32172
Page 20: ... This is a blank page 16 ...
Page 21: ...1 1 Overview 1 2 Block Diagram 1 3 Pin Functions 1 4 Pin Layout CHAPTER 1 CHAPTER 1 OVERVIEW ...
Page 44: ...1 1 24 Rev 1 0 This is a blank page Overview 1 4 Pin Layout ...
Page 58: ...2 2 14 Rev 1 0 This is a blank page CPU 2 6 Data Formats ...
Page 122: ...4 4 26 Rev 1 0 This is a blank page EIT 4 13 Precautions on EIT ...
Page 200: ...7 7 6 Rev 1 0 This is a blank page RESET 7 4 Precautions to Be Taken Immediately after Reset ...
Page 298: ...9 9 58 Rev 1 0 This is a blank page DMAC 9 4 Precautions on Using DMAC ...
Page 776: ...19 19 10 Rev 1 0 RAM BACKUP MODE 19 4 Exiting RAM Backup Mode Wakeup This is a blank page ...
Page 782: ...20 20 6 Rev 1 0 OSCILLATION CIRCUIT 20 2 Clock Generator Circuit This is a blank page ...
Page 856: ...23 23 26 Rev 1 0 This is a blank page ELECTRICAL CHARACTERISTICS 23 6 AC Characteristics ...
Page 857: ...24 1 A D Conversion Characteristics CHAPTER 24 CHAPTER 24 STANDARD CHARACTERISTICS ...
Page 859: ...Appendix 1 1 Dimensional Outline Drawing APPENDIX 1 APPENDIX 1 MECHANICAL SPECIFICATIONS ...
Page 865: ...Appendix 3 1 Precautions about Noise APPENDIX 3 APPENDIX 3 PRECAUTIONS ABOUT NOISE ...