HT80C51 Datasheet, PDF (4/132 Pages) List of Unclassifed Manufacturers – User Manual Document Information

Handshake Solutions
HT80C51 User Manual
Table of Contents
5.3.3. Interrupts............................................................................................................ 34
5.3.4. Operation ........................................................................................................... 34
5.3.5. Setting up the serial port.................................................................................... 40
5.4. General Purpose IOs ...................................................................................................... 42
5.4.1. Options .............................................................................................................. 42
5.4.2. Special function registers (POUTx PINx) .......................................................... 42
5.4.3. Interrupts............................................................................................................ 43
5.4.4. Operation ........................................................................................................... 43
5.5. I²C Interface (SIO1).......................................................................................................... 44
5.5.1. Options .............................................................................................................. 44
5.5.2. Special function registers (S1CON S1ADR S1DAT S1STA ) ........................... 44
5.5.3. Interrupts............................................................................................................ 46
5.5.4. Operation ........................................................................................................... 46
5.5.5. Slave-only version ............................................................................................. 73
5.5.6. Application notes ............................................................................................... 73
5.6. Serial Peripheral Interface (SPI) .................................................................................... 74
5.6.1. Options .............................................................................................................. 74
5.6.2. Special function registers (SPCR SPSR SPDR) ............................................... 74
5.6.3. Interrupts............................................................................................................ 76
5.6.4. Operation ........................................................................................................... 76
5.7. Watchdog Timer (under development) ......................................................................... 80
5.7.1. Options .............................................................................................................. 80
5.7.2. Special function registers (T3)........................................................................... 80
5.7.3. Interrupts............................................................................................................ 80
5.7.4. Operation ........................................................................................................... 80
5.8. Triple-DES Converter...................................................................................................... 82
5.8.1. Options .............................................................................................................. 82
5.8.2. Special function registers (DCON DKEY DTXT) ............................................... 82
5.8.3. Interrupts............................................................................................................ 83
5.8.4. Operation ........................................................................................................... 83
5.8.5. Software view .................................................................................................... 84
6. 80C51 Family Instruction Set...................................................................................................... 87
6.1. 80C51 Instruction Set Summary.................................................................................... 87
6.2. Instruction definitions .................................................................................................... 91
Appendix ............................................................................................................................................ 130
A1: List of Tables ................................................................................................................. 130
A2: List of Figures ............................................................................................................... 131
A3: Document History ......................................................................................................... 132
Page 4 of 132
© Philips Electronics N.V. 2005