Quatech DS-3000 User Manual

Quatech DS-3000 User Manual Manual pdf 12 page image

F U N C T I O N A L D E S C R I P T I O NSTKP - Stick Parity:Forces parity to logic 1 or logic 0 if parity isenabled. See EPS, PEN, and figure 9.EPS - Even Parity Select:Selects even or odd parity if parity is enabled.See STKP, PEN, and figure 9.PEN - Parity Enable:E n a b l e s p a r i t y o n t r a n s m i s s i o n a n d v e r i f i c a t i o non reception. See EPS, STKP, and figure 9.+--------------+---------+| STKP EPS PEN | Parity |+--------------+---------+| x x 0 | None || 0 0 1 | Odd || 0 1 1 | Even || 1 0 1 | Logic 1 || 1 1 1 | Logic 0 |+--------------+---------+Figure 9. 16550 parity selections.STB - Number of Stop Bits:S e t s t h e n u m b e r o f s t o p b i t s t r a n s m i t t e d . S e eWLSx and figure 10.WLSx - Word Length Select:D e t e r m i n e s t h e n u m b e r o f b i t s p e r t r a n s m i t t e dword. See STB and figure 10.+---------------+-------------+-----------+| STB WLS1 WLS0 | Word length | Stop bits |+---------------+-------------+-----------+| 0 0 0 | 5 bits | 1 || 0 0 1 | 6 bits | 1 || 0 1 0 | 7 bits | 1 || 0 1 1 | 8 bits | 1 || 1 0 0 | 5 bits | 1½ || 1 0 1 | 6 bits | 2 || 1 1 0 | 7 bits | 2 || 1 1 1 | 8 bits | 2 |+---------------+-------------+-----------+Figure 10. Word length and stop bit selections.iii