CD1284 Datasheet, PDF (23/176 Pages) Intel Corporation – IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports

IEEE 1284-Compatible Parallel Interface Controller — CD1284
Table 1. Pin Descriptions (Sheet 4 of 4)
Symbol
DSR[3,2]*
CD[3,2]
RI[3,2]
Pin No.
23, 28
24, 29
14, 15
Type
I
I
I
Description
DATA SET READY: These are active-low inputs for serial channels two and three.
CARRIER DETECT: These are active-low inputs for serial chanels two and three.
RING INDICATOR: These are active-low inputs for chanels two and three.
Datasheet
23