Specifications

Contents •• iii
5.26 _7200_DO_DMA_Status..................................................64
5.27 _7200_DO_DMA_Stop.....................................................65
5.28 _7200_DI_Timer...............................................................66
5.29 _7200_DO_Timer.............................................................68
CHAPTER 6 Double Buffer Mode Principle...... 71
CHAPTER 7 Limitation.................................... 73
Appendix A. 8254 Programmable Interval Timer ..
.................................................... 75
A.1 The Intel (NEC) 8254........................................................75
A.2 The Control Byte .............................................................76
A.3 Mode Definition...............................................................77
Product Warranty/Service ................................. 81