12
12-35
Serial I/O
12.4 Receive Operation in CSIO Mode
32180 Group User's Manual (Rev.1.0)
Figure 12.4.2 Receive Operation during CSIO Mode (Hardware Processing)
Receive data
Set the SIO Receive Control Register
reception finished bit to "1"
Store the received data
in the receive buffer register
Set the SIO Receive Control Register
overrun error and receive error sum bits to "1"
Receive conditions
met?
Overrun error ?
Y
Y
N
N
End of CSIO receive
operation
CSIO receive operation
starts
12.4.4 About Successive Reception
If the following conditions are met when data reception has finished, data may be received successively.
• The receive enable bit is set to "1".
• Transmit conditions are met.
• No overrun error has occurred.
Summary of Contents for M32R/ECU Series
Page 17: ...12 This page is blank for reasons of layout...
Page 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Page 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Page 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Page 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Page 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...