XR18W750 Datasheet, PDF (5/44 Pages) Exar Corporation – WIRELESS UART CONTROLLER

REV. 1.0.0
Pin Description
NAME
CLK-
CLK+
48-QFN
PIN #
3
4
XR18W750
WIRELESS UART CONTROLLER
TYPE
DESCRIPTION
I _{16 MHz differential clock input or CMOS clock input. Use both signals for differ-}
I ential clock.
GPIO[3:0]
TEST2
TEST1
TEST0
VCC
GND
Connect CLK- to VCC to enable the CMOS/TTL clock mode. The external
CMOS/TTL clock should be connected to CLK+.
13, 14, 15, I/O _{General Purpose I/O.}
48
6
I _{Factor Test Modes (active high). For normal operation, connect these inputs to}
7
I GND.
16
I
5, 25
Pwr _{2.97V to 3.63V power supply.}
2, 24
Pwr _{Power supply common, ground.}
Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
5