
503
CHAPTER 17 UART
●
Initialization
The following shows the set values of each control register using the synchronous mode:
[Mode control register (SMR0/SMR1)]
MD1,MD0:"10
B
"
CS2,CS1,CS0:Specify clock input using the clock selector.
SCKE:1 for dedicated baud rate generator or internal timer
0 for clock output and external clock (clock input)
SOE:1 for transmission; 0 for reception only
[Control register (SCR0/SCR1)]
PEN:"0"
P,SBL,A/D:These bits make no sense.
CL:1 (8-bit data)
REC:0 (the error flag is cleared for initialization.)
RXE,TXE:At least one of the two bits is set to "1".
[Status register (SSR0/SSR1)]
RIE:1 when using interrupts; 0 when using no interrupts.
TIE:1 when using interrupts; 0 when using no interrupts.
●
Starting communication
Write data to the output data register (SODR0/SODR1) to start communication. Temporary data must be
written to SODR0/SODR1 to start communication for reception.
●
Ending communication
The RDRF flag of the status register (SSR0/SSR1) is set to "1" when transmission or reception of a data
frame is complete. During reception, check the overrun error flag bit (SSR0/SSR1) to see if
communication is performing normally.
Содержание MB90460 Series
Страница 1: ...The following document contains information on Cypress products ...
Страница 3: ......
Страница 5: ......
Страница 9: ...iv ...
Страница 41: ...22 CHAPTER 1 OVERVIEW ...
Страница 45: ...26 CHAPTER 2 NOTES ON HANDLING DEVICES ...
Страница 83: ...64 CHAPTER 3 CPU ...
Страница 95: ...76 CHAPTER 4 RESET ...
Страница 107: ...88 CHAPTER 5 CLOCK ...
Страница 131: ...112 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Страница 175: ...156 CHAPTER 7 INTERRUPT ...
Страница 181: ...162 CHAPTER 8 MODE SETTING ...
Страница 223: ...204 CHAPTER 9 I O PORT ...
Страница 237: ...218 CHAPTER 10 TIME BASE TIMER ...
Страница 247: ...228 CHAPTER 11 WATCHDOG TIMER ...
Страница 275: ...256 CHAPTER 12 16 BIT RELOAD TIMER ...
Страница 373: ...354 CHAPTER 14 MULTI FUNCTIONAL TIMER ...
Страница 485: ...466 CHAPTER 16 PWC Timer ...
Страница 531: ...512 CHAPTER 17 UART ...
Страница 559: ...540 CHAPTER 19 DELAYED INTERRUPT GENERATOR MODULE ...
Страница 589: ...570 CHAPTER 20 8 10 BIT A D CONVERTER ...
Страница 601: ...582 CHAPTER 21 ROM CORRECTION FUNCTION ...
Страница 633: ...614 CHAPTER 23 512K 1024K BIT FLASH MEMORY ...
Страница 645: ...626 CHAPTER 24 EXAMPLE OF F2 MC 16LX MB90F462 F462A F463A CONNECTION FOR SERIAL WRITING ...
Страница 715: ...696 APPENDIX ...
Страница 716: ...697 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Страница 739: ......