sx1441 Semtech Corporation, sx1441 Datasheet
sx1441
Manufacturer Part Number
sx1441
Description
Bluetooth V1.2 Soc For Voice And Data Applications With Dsp Capabilities
Manufacturer
Semtech Corporation
Datasheet
1.SX1441.pdf
(85 pages)
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Personal Area Network
SX1441
Ultra Low Power Bluetooth® V1.2 Soc for Wireless
Headset and Data Applications with DSP Capabilities
GENERAL DESCRIPTION
The SX1441 is a Bluetooth
on
includes a fully programmable 8-bit application
microcontroller, a high speed UART, SPI interface,
RC oscillator, power management unit, and an on-
chip voice CODEC with DMA interface. The purpose
of the SX1441 is to offer a very high level of
integration
components to build complete voice and data
applications whilst maintaining design flexibility.
This product has been designed for ultra low power
consumption and low cost solutions. By combining
the SX1441 with a low power 2.4 GHz radio device
such as the XE1413, from Semtech, an ultra low
power Bluetooth wireless headset consuming less
than 23mW @1.8V (HV3) can be built.
APPLICATIONS
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Rev 4 July 2006
Bluetooth wireless headset
Handsfree kit
VoIP, VoRF
Cable replacement
Computer accessories
the
Semtech
VREG_OFF
requiring
PA_OUTP
PA_OUTN
VDDBAT
NSS[4:0]
VREGD
VREGA
VMIC_P
VMIC_N
PA[7:0]
PB[7:0]
VREF
MOSI
MISO
SCK
Bluetooth
a
®
minimum
Boot Loader
GPIO/UART
System-on-Chip based
CODEC
Power Management
SPI
Sequencer,
of
external
which
CPU
1
KEY PRODUCT FEATURES
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ORDERING INFORMATION
Part Number
SX1441IO77TR LF
Bluetooth Sequencer
ROM
Ultra low power single-chip Bluetooth SoC, fully
Bluetooth rev 1.2 compliant. Supports AFH, Fast
Connect and eSCO
Fully integrated Bluetooth protocol stack up to
the HCI, compliant to revision 1.2
On-chip 16-bit audio linear Codec with DMA
interface, preamplifier and audio power amplifier
Minimum of external components required
Small form factor
On-chip battery level detector
High speed general purpose UART
Supports simultaneously one SCO and up to
three ACL channels
On-chip MCU and ROM/SRAM memory
Ni-MH or Li-ion polymer rechargeable battery
operation. Supply voltage range 1.8V to 3.6V
Ultra low power consumption
Supports CX72303 and XE1413 BT 1.2 radios
RC Oscillator
Memory
Controller
Bluetooth
Interface
RADIO
SX1441 – Bluetooth® 1.2 SoC
Description
Bluetooth SoC for voice and
data applications
www.semtech.com
NRESET
WAKEUP
radio inputs
radio outputs
clocks
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