hsdl-3210 Avago Technologies, hsdl-3210 Datasheet - Page 15

• Manufacturer Part Number: hsdl-3210
• Description: Irda Compliant Low Power 1.15 Mbit/s Infrared Transceiver - Agilent Hewlett-packard
• Manufacturer: Avago Technologies

1 5
Appendix C: General Application
Guide for the HSDL-3210 Infrared
IrDA
Transceiver
Description
The HSDL-3210, a low-cost and
small form factor infrared
transceiver, is designed to
address the mobile computing
market such as PDAs, as well as
small embedded mobile products
such as digital cameras and
cellular phones. It is fully
compliant to IrDA 1.3 low power
specification from 9.6 kb/s to
Figure 18. Mobile phone and PDA platform diagrams.
®
Compliant 1.15 Mb/s
DE-MODULATOR
CONTROLLER
TRANSCEIVER
PCMCIA
ROM
RAM
MOD/
MICROPHONE
SPEAKER
AUDIO INTERFACE
USER INTERFACE
RS232C
DRIVER
RF INTERFACE
FOR EMBEDDED
APPLICATION
1.152 Mb/s, and supports HP-SIR
and TV Remote modes. The
design of the HSDL-3210 also
includes the following unique
features:
• Supports the serial interface for
• Low passive component count.
• Shutdown mode for low power
• Interface to input/output logic
• Adjustable optical power
PDA PLATFORM
MOBILE PHONE PLATFORM
transceiver control (STC)
specification.
consumption requirement.
circuits as low as 1.5 V.
management
PANEL
CPU
LCD
PORT
COM
MICROCONTROLLER
IR
DSP CORE
TOUCH
PANEL
Interface to Recommended I/O chips
The HSDL-3210’s TXD data input
is buffered to allow for CMOS
drive levels. No peaking circuit or
capacitor is required. Data rate
from 9.6 kb/s up to 1.152 Mbp/s
is available at the RXD pin.
The block diagram below shows
how the IR port fits into a mobile
phone and PDA platform.
CONTROLLER
IR
ASIC