12
12-56
Ver.0.10
SERIAL I/O
12.7 Receive Operation in UART Mode
Figure 12.7.1 Procedure for UART Receive Initialization
Note : When you selected the clock divider's divide-by ratio = 1, you are subject to limitations that the
baud rate register value you set must be equal to or greater than 7.
Set SIO Transmit/Receive Mode Register
Initial settings for UART
reception
• Set register to UART mode
• Set parity (when enabled,
select odd/even)
(When using DMAC)
Set DMAC related registers
(When using interrupt)
Set the interrupt controller
SIO Receive Interrupt Control Register
Set SIO Interrupt Related Registers
• Divide-by ratio H'00 to H'FF (Note)
Set SIO Baud Rate Register
• Select clock divider's divide-by ratio
Set SIO Transmit Control Register
Set input/output port
Operation Mode Register
Serial I/O
related
registers
Initial settings for UART
reception finished
• Set stop bit length
• Set character length
• Cause of Receive Interrupt
Select Register
(receive finished/receive error)
• Interrupt Mask Register
(enable/disable receive interrupts)
Summary of Contents for M32170F3VFP
Page 42: ...1 1 24 Ver 0 10 OVERVIEW 1 4 Pin Layout This is a blank page ...
Page 56: ...2 2 14 Ver 0 10 This is a blank page ...
Page 88: ...3 3 32 Ver 0 10 ADDRESS SPACE 3 7 Notes on Address Space This is a blank page ...
Page 270: ...9 9 40 Ver 0 10 DMAC 9 4 Precautions about the DMAC This is a blank page ...
Page 614: ...12 12 64 Ver 0 10 This is a blank page SERIAL I O 12 9 Precautions on Using UART Mode ...
Page 756: ...17 17 10 Ver 0 10 RAM BACKUP MODE 17 4 Exiting RAM Backup Mode Wakeup This is a blank page ...
Page 762: ...18 18 6 Ver 0 10 OSCILLATION CIRCUIT 18 2 Clock Generator Circuit This is a blank page ...
Page 831: ...CHAPTER 22 CHAPTER 22 TYPICAL CHARACTERISTICS 22 1 A D Conversion Characteristics ...
Page 833: ...Appendix 1 1 Dimensional Outline Drawing APPENDIX 1 APPENDIX 1 MECHANICAL SPECIFICATIONS ...
Page 841: ...Appendix 3 1 Precautions about Noise APPENDIX 3 APPENDIX 3 PRECAUTIONS ABOUT NOISE ...