XR16V554 Datasheet, PDF (8/45 Pages) Exar Corporation – 2.25V TO 3.6V QUAD UART WITH 16-BYTE FIFO

XR16V554/554D
2.25V TO 3.6V QUAD UART WITH 16-BYTE FIFO
Pin Description
REV. 1.0.1
NAME
48-QFN
PIN #
64-LQFP
PIN #
68-PLCC
PIN#
80-LQFP
PIN #
TYPE
DESCRIPTION
N.C.
-
-
-
1, 2, 20,
No Connection. These pins are not used in either the
21, 22,
Intel or Motorola bus modes.
26, 27,
40, 41,
42, 60,
61, 62,
80
Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
8