STMP3400
Audio Decoder with USB Interface and Voice Record
STMP3400 DIAGRAM
LCD, I2S, SPI,
I2C, and GPIO
used for host
To Buttons
&Controls
chip interface
FM
Tuner
LCD
Display
I2S
I2C
FM_IN
LINE_IN
MIC_IN
M
U
X
GPIO
Control
I2C,I2S
Crystal &
DC-DC
Converter
LCD
Interface
XTAL
USB
AMP
LINE
M
U
X
Headphone/
LINE_OUT
F
I
F
O
High
Performance
DSP
USB
Interface
DAC
SPI
Mixer
M
U
X
ADC
Memory
RAM
ROM
Timers and
Interrupts
Interface,
RAM size:
SPI
40K x 24-bit
STMP3400
ROM size:
4K x 24-bit
Flash
Memory
Smart
Media
Memory
Compact-
Flash
Memory
Secure
Digital
Memory
MMC
Memory
IDE
or
or
or
or
Memory
ORDERING INFORMATION
Part Number
Package
Temp Range
Supply Range
STMP3400
100-pin LQFP 16mm x 16mm x 1.6mm 0 °C to +70 °C AVdd = 2.0–2.75V, DVdd = 2.0–2.75V,
IOVdd = 2.7–3.3V
KEY SPECIFICATIONS
MP3 decoding algorithm support
Upgradeable firmware
Memory support - NAND, SmartMedia, Secure Digital, MMC, CompactFlash, IDE, and NOR
Power consumption:
AA battery up to 20 hours
Other battery options are available
< 200 mW during playback (including Flash, LCD, Headphone, and DSP)
Voice record capability with compression
Level of integration with implementation flexibility
Act as host chip on a device or as a slave chip to a host processor
Copyright © 2001 SigmaTel, Inc. All rights reserved.
All contents of this document are protected by copyright law and may not be reproduced without the express written consent of SigmaTel, Inc.
MPEG Layer 3 audio coding technology licensed from FraunhoferIIS and THOMSON multimedia.
SigmaTel, the SigmaTel logo, and combinations thereof are trademarks of SigmaTel, Inc. Other product names used in this publication are
for identification purposes only and may be trademarks or registered trademarks of their respective companies. The contents of this docu-
ment are provided in connection with SigmaTel, Inc. products. SigmaTel, Inc. has made best efforts to ensure that the information contained
herein is accurate and reliable. However, SigmaTel, Inc. makes no warranties, express or implied, as to the accuracy or completeness of
the contents of this publication and is providing this publication "AS IS". SigmaTel, Inc. reserves the right to make changes to specifications
and product descriptions at any time without notice, and to discontinue or make changes to its products at any time without notice. SigmaTel,
Inc. does not assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability,
including without limitation special, consequential, or incidential damages.
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