MaxLinear XR32220 User Manual

Introduction
Exar's XR32220 EVB evaluation board provides a platform
on which to examine the features and performance of the
XR32220 2-Driver/2-Receiver RS-232 serial transceiver.
The XR32220_EVB is a 2 layer pcb that allows for access
to all the device pins.
Hardware Setup
To use the Evaluation Board, the following components are
required:
1. XR32220 EVB evaluation board
2. Power supply
3. Signal source
4. Oscilloscope for data analysis
5. Digital Multimeter
Refer to the product data sheet for additional information.
Evaluation Board Overview
The block diagram shown in Figure 2, illustrates the connection points for the RS232 receivers, RS232 drivers, power and
ground, TTL/CMOS driver inputs, TTL/CMOS receiver outputs and the control and status pins.
XR32220 Evaluation Board
Figure 2: Block Diagram XR32220-EVB
User's Manual
Figure 1: Top View of XR32220-EVB
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