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KTMicro
KTMicro

KT0913 Datasheet Preview

KT0913 Datasheet

Monolithic Digital AM/FM Receiver

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KT0913 pdf
Monolithic Digital AM/FM Receiver
Radio-on-a-Chip™
KT0913
ƒ Features
Worldwide full band FM/AM support
FM: 32MHz-110MHz
AM: 500KHz-1710KHz
Fully integrated frequency synthesizer with no external
components
High Sensitivity
1.6uVEMF for FM
16uVEMF for AM
High Fidelity
SNR (FM/AM): 60dB/55dB
THD: 0.3%
Low Supply Current
22mA (operating)
<15uA (standby)
Advanced features
Automatic antenna tuning
Adjustable AM channel filters (2/4/6KHz)
Automatic Frequency Control (AFC)
Automatic Gain Control (AGC)
Embedded FM SNR meter
Fast seek/Tune
Integrated stereo headphone driver
I2C control interface for MCU
Special Features:
Support traditional dial and digital key for
frequency tuning and volume control
Memorize channel and volume in standby mode
Low supply voltage: 2.1V to 3.6V, can be supplied by 2
AAA batteries
Support both 32.768KHz and 38KHz crystal
Support continuous reference frequency from 32.768KHz
to 26MHz
Small form factor SSOP16L package
RoHS Compliant
ƒ Applications
Desktop and portable radio, mini/portable audio systems,
clock radio, campus radio, PMP docking station, car audio
system, toy and gift.
Rev. 1.2
Information furnished by KT Micro is believed to be accurate and reliable.
However, no responsibility is assumed by KT Micro for its use, nor for any
infringements of patents or other rights of third parties which may result from its
use. No license is granted by implication or otherwise under any patent or patent
rights of KT Micro, Inc.
FMAGC
FMINP
FMLNA
FM Mixer
ADC
VCO
LO syntehsizer
ADC
DAC
Clas
sAB
DAC
Clas
sAB
LOUT
ROUT
AMINP
AMINN
AM LNA
AMAGC
VCO
AM Mixer
SysPLL
XTAL
Control Interface
Reg bank
KT0913 System Diagram
ƒ Description
The KT0913 is a fully integrated digital AM/FM radio
receiver chip with patented technologies that offer full band
AM/FM functionality, high quality audio performance,
simple design and low BOM cost thanks to the minimum
external components required and direct frequency and
volume control interface without requiring customers to
modify existing exterior module.
Thanks to the patented tuning technology, the receiver
maintains good signal reception even with short antennas.
The chip consumes merely 22mA current and can be
powered by 2 AAA batteries. Another useful feature is that
the volume and channel information can be preserved in
standby mode without external memories. KT0913
supports a wide range of reference clocks from 32.768KHz
to 26MHz, hence can share system clocks with a varieties
of MCUs further reducing the system BOM cost.
With high audio performance, fully integrated features and
low BOM cost, KT0913 is ideal for various applications
and products.
KT Micro, Inc.
22391 Gilberto, Suite D
Rancho Santa Margarita, CA 92688
Tel: 949.713.4000
Fax: 949.713.4004 Copyright ©2010, KT Micro, Inc.
www.aitendo.com



KTMicro
KTMicro

KT0913 Datasheet Preview

KT0913 Datasheet

Monolithic Digital AM/FM Receiver

No Preview Available !

KT0913 pdf
Table of Content
1. Electrical Specification............................................................................................................................ 4
2. Pin List .................................................................................................................................................... 6
3. Function Description ............................................................................................................................... 7
3.1. Overview ............................................................................................................................................. 7
3.2. FM Receiver........................................................................................................................................ 7
3.3. AM Receiver ....................................................................................................................................... 7
3.4. Operation Bands................................................................................................................................. 7
3.5. Standby ............................................................................................................................................... 7
3.6. Crystal and reference clock............................................................................................................... 8
3.7. Digital Signal Processing ................................................................................................................... 8
3.7.1. FM Stereo Decoder ........................................................................................................................ 8
3.7.2. Mute / Softmute.............................................................................................................................. 8
3.7.3. Stereo / Mono Blending ................................................................................................................. 9
3.7.4. Bass ................................................................................................................................................ 9
3.7.5. Stereo DAC, Audio Filter and Driver............................................................................................. 9
3.7.6. AM Bandwidth............................................................................................................................... 9
3.7.7. TUNE ............................................................................................................................................. 9
3.7.8. SEEK.............................................................................................................................................10
3.8. User-Machine Interface ....................................................................................................................10
3.8.1. Programmable band.......................................................................................................................10
3.8.2. Key Mode......................................................................................................................................10
3.8.3. Dial Mode......................................................................................................................................11
3.9. I2C Control Interface .......................................................................................................................13
3.10. Register Bank ....................................................................................................................................15
3.10.1. CHIP ID (Address 0x01)...............................................................................................................16
3.10.2. SEEK (Address 0x02) ...................................................................................................................16
3.10.3. TUNE (Address 0x03)...................................................................................................................16
3.10.4. VOLUME (Address 0x04) ............................................................................................................16
3.10.5. DSPCFGA (Address 0x05) ...........................................................................................................17
3.10.6. LOCFGA (Address 0x0A) ............................................................................................................18
3.10.7. LOCFGC (Address 0x0C).............................................................................................................18
3.10.8. RXCFG (Address 0x0F)................................................................................................................18
3.10.9. STATUSA (Address 0x12) ...........................................................................................................19
3.10.10.STATUSB (Address 0x13) ...........................................................................................................19
3.10.11.STATUSC (Address 0x14) ...........................................................................................................19
3.10.12.AMSYSCFG (Address 0x16)........................................................................................................20
3.10.13.AMCHAN (Address 0x17) ...........................................................................................................21
3.10.14.AMCALI (Address 0x18) .............................................................................................................21
3.10.15.GPIOCFG (Address 0x1D) ...........................................................................................................21
3.10.16.AMDSP (Address 0x22) ...............................................................................................................21
3.10.17.AMSTATUSA (Address 0x24).....................................................................................................22
3.10.18.AMSTATUSB (Address 0x25) .....................................................................................................22
3.10.19.SOFTMUTE (Address 0x2Eh)......................................................................................................22
3.10.20.USERSTARTCH (Address 0x2F).................................................................................................23
3.10.21.USERGUARD (Address 0x30).....................................................................................................23
3.10.22.USERCHANNUM (Address 0x31) ..............................................................................................23
3.10.23.AMCFG (Address 0x33) ...............................................................................................................24
3.10.24.AMCFG2 (Address 0x34h) ...........................................................................................................24
3.10.25.VOLGUARD (Address 0x3Ah) ....................................................................................................24
3.10.26.AFC (Address 0x3Ch)...................................................................................................................25
4. Typical Application Circuit ....................................................................................................................26
5. Package Outline......................................................................................................................................27
6. Revision History.....................................................................................................................................28
Copyright ©2010, KT Micro, Inc.
2


Part Number KT0913
Description Monolithic Digital AM/FM Receiver
Maker KTMicro
Total Page 27 Pages
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