The Infrared Wireless Expert
ACT-IR8250P
Specification
4. Device Operation
4.1
RESET circuit
IR8250P will be reset when nRST is pulled low.
It needs a 100K ohms resistor, 0.1uF capacitor
and a diode to implement the reset circuit.
Please refer to right figure.
4.2
Crystal circuit
IR8250P needs a specified clock to operate,
please refer to right figure.
4.3
Host Interface
The host interface of IR8250P is a full-duplex asynchronous serial data interface. The data bytes are
transmitted via TX and received via RX. Each data byte consists of one start bit (0), 8 data bits (LSB
first, MSB last) and a stop bit (1).
© Copyright 2003-2005 ACTiSYS Corp. Page 8 of 25
Jan 28, 2005
Rev. 0.44
