DFBM-CF320
DFBM-CF320
Bluetooth
TM
Module Class 2
A Class 2 Bluetooth module compliant
with Bluetooth Specification V2.0+EDR
for various application.
FEATURES:
Suitable for Headset application with Build-in codec.
Suitable for Automotive Hands-Free Kits.
Suitable for General purpose Bluetooth systems requiring
an on-chip audio CODEC.
Small size and Low Profile using high-density
packaging technology which compliant with RoHS.
High sensitivity for better reception.
Already embedded battery charger, LED driver and switch mode
regulator.
Need few external parts for headset design.
Variable profiles with 6M Flash.
Various interfaces: UART, SPI and PCM.
Wide operating temperature range: -40~+80
℃
.
Data Sheet
Jan 12, 2007
Proprietary Information and Specifications are Subject to Change
DFBM-CF320
Device diagram
BC4-Audio-Flash
Data Sheet
Jan 12, 2007
Proprietary Information and Specifications are Subject to Change
DFBM-CF320
General Specification
Bluetooth Specification
Frequency
Modulation
Transmission Rate
Receive Sensitivity
Maximum Output Power
Operating Voltage
Power consumption
Battery programmable
charge current
Operating Temperature
Antenna Impedance
Package Size
Version 2.0+EDR
2402~2480MHz
GFSK/DQPSK/8DPSK
721K / 2M / 3M bps
Typ. -81.5dBm
+4dBm (Class 2)
Refer to Recommend table
Up to 41 mA for SCO
connection HV1 *
Low to 0.1 mA for standby mode
25~100mA
-40~+80℃
50Ω
13.5*12*2.1 (mm)
Data Sheet
Jan 12, 2007
Proprietary Information and Specifications are Subject to Change
DFBM-CF320
Interface
Interface
Antenna
UART Interface
SPI Interface
PCM Codec
PIO Interface
Description
External Antenna 50Ω
TX, RX, RTS, CTS(9600bps~1.5Mbps)
Synchronous Serial Interface for firmware
download
Qualcomm MSM 3000/5000 ,
Motorola MC145483/ MC145481
OKI MSM7705 , STW 5093/5094
8 terminals
Min
Storage Temperature
VDD_1.8V
VBAT
VREG_EN
VDD_CHG
-40
-0.4
-0.4
-0.4
-0.4
Max
+150
+2.2
+4.25
+4.25
+6.5
Unit
℃
V
V
V
V
Rating
Recommend
Min
VDD_1.8V
VBAT
VREG_EN
VDD_CHG
VDD_CHG current
+1.7
+2.5
+2.5
+4.35
25
Max
+1.9
+4.2
+4.2
+6.5
100
Unit
V
V
V
V
mA
Data Sheet
Jan 12, 2007
Proprietary Information and Specifications are Subject to Change
DFBM-CF320
Application circuit
Mono-Headset application circuit
Note :
1. Please left SPI & UART pins out for further test and evaluation.
2. The circuits are offered without warranty and Delta is unable to accept any liability for direct
or consequential loss associated with their use. It is therefore important for designers to ensure
that their design is properly evaluated in a Design Verification Test.
Data Sheet
Jan 12, 2007
Proprietary Information and Specifications are Subject to Change