FUJITSU Semiconductor Controller MB89950/950A User Manual

Page 14

Advertising
background image

x

CHAPTER 11 EXTERNAL INTERRUPT CIRCUIT (EDGE) ............................................ 223

11.1 Overview of the External Interrupt Circuit ........................................................................................ 224

11.2 Block Diagram of the External Interrupt Circuit ................................................................................. 225

11.3 Structure of the External Interrupt Circuit ......................................................................................... 226

11.3.1 External Interrupt Control Register (EIC) ..................................................................................... 228

11.4 External Interrupt Circuit Interrupts ................................................................................................... 230

11.5 Operation of the External Interrupt Circuit ........................................................................................ 231

11.6 Program Example for the External Interrupt Circuit .......................................................................... 232

CHAPTER 12 LCD CONTROLLER/DRIVER .................................................................. 233

12.1 Overview of LCD Controller/Driver .................................................................................................. 234

12.2 Block Diagram of LCD Controller/Driver .......................................................................................... 235

12.2.1 LCD Controller/Driver Internal Voltage Divider ............................................................................ 237

12.2.2 LCD Controller/Driver External Voltage Divider ........................................................................... 239

12.3 Structure of LCD Controller/Driver .................................................................................................... 241

12.3.1 LCD Control Register (LCDR) ..................................................................................................... 244

12.3.2 Segment Output Select Register (SEGR) .................................................................................... 246

12.3.3 Display RAM ................................................................................................................................ 248

12.4 Operation of LCD Controller/Driver .................................................................................................. 250

12.4.1 Output Waveforms during LCD Controller/Driver Operation (1/2 Duty Ratio) ............................. 251

12.4.2 Output Waveforms during LCD Controller/Driver Operation (1/3 Duty Ratio) ............................. 254

12.4.3 Output Waveforms during LCD Controller/Driver Operation (1/4 Duty Ratio) ............................. 257

12.5 Program Example for LCD Controller/Driver .................................................................................... 260

APPENDIX ......................................................................................................................... 263

APPENDIX A I/O Map ................................................................................................................................ 264

APPENDIX B Overview of Instructions ....................................................................................................... 266

B.1

Overview of F

2

MC-8L Instructions ................................................................................................. 267

B.2

Addressing ..................................................................................................................................... 269

B.3

Special Instructions ........................................................................................................................ 274

B.4

Bit Manipulation Instructions (SETB, CLRB) .................................................................................. 278

B.5

F

2

MC-8L Instructions ..................................................................................................................... 279

B.6

Instruction map ............................................................................................................................... 286

APPENDIX C Mask Options ....................................................................................................................... 287

APPENDIX D Programming Specifications for One-Time PROM And EPROM Microcontroller ................ 289

D.1

Programming Specifications for One-time PROM and EPROM Microcontrollers .......................... 290

D.2

Programming Yield and Erasure .................................................................................................... 293

D.3

Programming to the EPROM with Piggyback/Evaluation Device ................................................... 294

APPENDIX E MB89950/950A Series Pin States ........................................................................................ 295

INDEX................................................................................................................................... 297

Advertising