XR16C872 Datasheet, PDF (33/60 Pages) Exar Corporation – DUAL UART WITH 1284 PARALLEL PORT AND PLUG-AND-PLAY CONTROLLER

DISCONTINUED
XR16C872
EMSR EMSR FCTR FCTR RTS Hysteresis
Bit-5 Bit-4 Bit-1 Bit-0 (characters)
0
0
0
0 Next level
0
0
0
1 +/- 4
0
0
1
0 +/- 6
0
0
1
1 +/- 8
0
1
0
0 +/- 8
0
1
0
1 +/- 16
0
1
1
0 +/- 24
0
1
1
1 +/- 32
1
0
0
0 +/- 12
1
0
0
1 +/- 20
1
0
1
0 +/- 28
1
0
1
1 +/- 36
1
1
0
0 +/- 40
1
1
0
1 +/- 44
1
1
1
0 +/- 48
1
1
1
1 +/- 52
EMSR BIT 6-7:
Reserved for future use.
Rev. 1.00
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