RDS PIRA32 Manual

Pira.cz
FM Broadcast Radio Data System Encoder MCU
with single communication port
DESCRIPTION
The PIRA32 Microcontroller forms a fully digital
Radio Data System encoder that has been
developed especially for FM broadcasting. It
implements physical and data-link layers and
supports extended set of RDS services.
All functions are controlled by the RS-232 interface.
The device supports optional I
such as EEPROM memory, RTC, LCD display or
digital potentiometer.
Important Note:
This datasheet is not intended to be a complete PIRA32 system designer's reference source.
For more information on the features, characteristics, control and use refer to these documents:
"PIRA32 RDS Encoder Technical Manual" (available online)
"PIRA32 LCD Display" (available online)
"PIRA32 Device Configuration" (optional, available on request)
"PIRA32 LCD Display Multiplexing" (optional, available on request)
The manufacturer is not liable for any damages, including but not limited to, lost profits, lost savings, or other
incidental or consequential damages arising out of the use of this product.
No part of this datasheet may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying, recording or information storage and retrieval systems, for any purpose other
than the purchaser's personal use.
Information in this document is subject to change without notice.
Revision 2017-06-09
2
C slave peripherals
PIRA32 Microcontroller
FEATURES

Single supply

Typical operating current: 9 mA @ 5 V

Minimum external parts
2

I C bus for external peripherals like EEPROM,
real time clock, LCD or digital potentiometer

External TA and Program switch

Two indication LED outputs

Both stereo and mono operation possible

Built-in digital 19 kHz pilot tone PLL with
software phase shift adjustment

Parallel 8-bit D/A converter, 361 kHz sampling
rate (over-sampled)

Broadcast quality output signal

Only simple output filter required

RDS/RBDS signal:
conforms to CENELEC EN50067 / EN 62106

Continuous RDS transmission during all
operations

Firmware update capability

Communication bus:
RS-232, bidirectional

Baud rate: 1200 to 19200 Bd

Packages available: 28-Pin PDIP
TYPICAL APPLICATIONS

FM broadcast RDS encoders with single
communication port

RDS testing, research and development
28-Pin SOIC