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BS87D20A-3 Datasheet(PDF) 5 Page - Holtek Semiconductor Inc |
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BS87D20A-3 Datasheet(HTML) 5 Page - Holtek Semiconductor Inc |
5 / 224 page Rev. 1.20 4 De�e��e� 0�� 201� Rev. 1.20 � De�e��e� 0�� 201� BS87B12A-3/BS87C16A-3/BS87D20A-3 Touch A/D Flash MCU with OCVP BS87B12A-3/BS87C16A-3/BS87D20A-3 Touch A/D Flash MCU with OCVP UART Interface............................................................................................. 149 UART Exte�nal Pins ............................................................................................................ 149 UART Data T�ansfe� S�he�e.............................................................................................. 1�0 UART Status and Cont�ol Registe�s.................................................................................... 1�0 Baud Rate Gene�ato�.......................................................................................................... 1�� UART Setup and Cont�ol..................................................................................................... 1�� UART T�ans�itte�................................................................................................................ 1�7 UART Re�eive� ................................................................................................................... 1�9 Managing Re�eive� E��o�s .................................................................................................. 1�0 UART Inte��upt St�u�tu�e..................................................................................................... 1�1 UART Powe� Down and Wake-up....................................................................................... 1�3 Over Current/Voltage Protection Function – OCVP.................................. 164 OCVP Ope�ation ................................................................................................................. 1�4 OCVP Cont�ol Registe�s ..................................................................................................... 1�� Input Voltage Range............................................................................................................ 1�9 Input Offset Can�ellation..................................................................................................... 170 OCVP Inte��upt.................................................................................................................... 171 P�og�a��ing Conside�ations.............................................................................................. 171 Software Controlled LCD Driver................................................................. 172 LCD Ope�ation .................................................................................................................... 172 LCD Cont�ol Registe�s ........................................................................................................ 174 Low Voltage Detector – LVD ....................................................................... 177 LVD Registe� ....................................................................................................................... 177 LVD Ope�ation..................................................................................................................... 178 Interrupts...................................................................................................... 179 Inte��upt Registe�s............................................................................................................... 179 Inte��upt Ope�ation.............................................................................................................. 18� Exte�nal Inte��upt................................................................................................................. 189 Tou�h Key Module Inte��upt ................................................................................................ 189 OCVP Inte��upt.................................................................................................................... 189 TM Inte��upts....................................................................................................................... 189 Multi-fun�tion Inte��upt – BS87C1�A-3 & BS87D20A-3...................................................... 190 Se�ial Inte�fa�e Module Inte��upt......................................................................................... 190 EEPROM Inte��upt .............................................................................................................. 191 UART T�ansfe� Inte��upt...................................................................................................... 191 LVD Inte��upt ....................................................................................................................... 191 A/D Conve�te� Inte��upt....................................................................................................... 191 Ti�e Base Inte��upts........................................................................................................... 192 Inte��upt Wake-up Fun�tion................................................................................................. 193 P�og�a��ing Conside�ations.............................................................................................. 194 Configuration Options................................................................................. 195 Application Circuits..................................................................................... 196 |
Similar Part No. - BS87D20A-3 |
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Similar Description - BS87D20A-3 |
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