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| FUNCTIONAL | DESCRIPTION |
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STKP | - | Stick | Parity: |
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| Forces parity to logic 1 or logic 0 if parity is | ||||||||||||
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| enabled. See EPS, PEN, and figure 9. |
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EPS | - | Even Parity | Select: |
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| Selects even | or | odd | parity | if |
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| See STKP, PEN, and figure 9. |
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PEN | - | Parity | Enable: |
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| Enables parity on | transmission | and | verification | |||||||||
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| on | reception. | See | EPS, | STKP, and | figure | 9. | ||||||
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| STKP EPS PEN Parity |
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| x | x | 0 | None |
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| 0 | 0 | 1 | Odd |
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| 0 | 1 | 1 | Even |
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| 1 | 0 | 1 | Logic 1 |
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| 1 | 1 | 1 | Logic 0 |
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| Figure 9. 16550 parity selections. |
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STB | - | Number | of Stop Bits: |
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| Sets the number of stop bits transmitted . See | ||||||||||||
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| WLSx | and figure 10. |
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WLSx | - | Word Length | Select: |
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| 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 d | ||||||||||||
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| word. | See | STB | and | figure | 10. |
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| STB WLS1 WLS0 | Word | length | Stop bits | |||||||||
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| 0 | 0 | 0 | 5 | bits |
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| 0 | 0 | 1 | 6 | bits |
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| 0 | 1 | 0 | 7 | bits |
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| 0 | 1 | 1 | 8 | bits |
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| 1 | 0 | 0 | 5 | bits |
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| 1 | 0 | 1 | 6 | bits |
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| 1 | 1 | 0 | 7 | bits |
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| 1 | 1 | 1 | 8 | bits |
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| Figure | 10. | Word | length | and | stop | bit | selections. | |||||
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