Preliminary
DLBM-CF121-MT00
DLBM-CF121
Bluetooth
TM
Module Class 2
TM
A Class 2 Bluetooth module suitable
for various applications.
1.FEATURES:
Built-in 4M Flash memory.
Suitable for Cellular, PDA, PC, GPS… applications.
Reducing the size and thickness greatly using high-density
packaging technology.
High sensitivity to achieve better performance.
Compliant to various interfaces: UART, USB, PCM, PIO...
Wide operating temperature range: -30~+80
℃
.
2.Device diagram
AN T
F ilter
B alu n
U AR T
USB
B C 2 -F lash
-
S P I/ P IO
F L AS H
CODEC
Sp eaker / M IC
PCM
Or PCM
X ’TAL
Figure 1. DLBM-CF121 Block Diagram
Data Sheet
May 6, 2005
Proprietary Information and Specifications are Subject to Change
Preliminary
DLBM-CF121-MT00
3.General Specification
Bluetooth
TM
Specification
Frequency
Modulation
Transmission rate
Receive sensitivity
Maximum output power
Operating Voltage
Operating temperature
Antenna Impedance
Package size
Operating range
Flash memory
Version 1.1
2402~2480MHz
FHSS/GFSK
721kbps
-80 dBm
+4dBm(Class 2)
2.7~3.6V
-30~+80℃
50 ohm
9.1*7.9*1.6mm
< 10 meters
4M bit
4.Rating
Min
Storage Temperature
VDD_1.8V
VDD_IO
VREG_IN
-40
-0.4
-0.4
-0.4
Max
+85
+1.9
+3.6
+3.6
Unit
℃
V
V
V
Data Sheet
May 6, 2005
Proprietary Information and Specifications are Subject to Change
Preliminary
DLBM-CF121-MT00
5.Interface
Interface
Antenna
UART Interface
SPI Interface
PIO Interface
Description
External Antenna 50 ohm
TX,RX,RTS,CTS(9600bps~1.5Mbps)
Synchronous Serial Interface for firmware download
9 terminals
6.Power Supply Diagram
ANT
●
VDD_1.8V
BPF
Balun
BC2-Flash
VDD_IO
VREG_IN
X’tal
Figure 2. Power Supply Diagram
Data Sheet
May 6, 2005
Proprietary Information and Specifications are Subject to Change
Preliminary
DLBM-CF121-MT00
7.RF Characteristics
Operating Condition: +25℃, VDD=2.7V
RF Characteristics
1. Frequency Range
2. Output Power
3. Sensitivity at 0.1% BER
1) 2402MHz
2) 2441MHz
3) 2480MHz
4. Maximum Input Level (BER≦0.1%)
5. Adjacent channel selectivity
1) C/I F=F
0
+ 1MHz
2) C/I F=F
0
- 1MHz
3) C/I F=F
0
+ 2MHz
4) C/I F=F
0
- 2MHz
5) C/I F≧F
0
+ 3MHz
6) C/I F≦F
0
- 5MHz
7) C/I F=F
Image
6. Adjacent channel transmit power
1) F=F
0
±
2MHz
2) F=F
0
±
3MHz
7. Modulation Characteristics
1) Modulation
Δf1avg
2) Modulation
Δf2max
8. Initial Carrier Frequency Tolerance
1) 2402MHz
2) 2441MHz
3) 2480MHz
Min.
Typ.
Max.
Unit
MHz
dBm
dBm
dBm
dBm
dBm
2400 ~ 2483.5
0
4
-80
-80
-80
3
-4
-4
-35
-21
-45
-45
-18
-35
-55
-9
0
0
-30
-20
dB
dB
dB
dB
dB
dB
dB
dBc
dBc
165
155
-75
-75
-75
-
75
75
75
kHz
kHz
kHz
kHz
kHz
Data Sheet
May 6, 2005
Proprietary Information and Specifications are Subject to Change
Preliminary
DLBM-CF121-MT00
9. Carrier Frequency Drift
1) 1slot
2) 5slot
4) Drift rate
10. 20dB Bandwidth for modulated carrier
1) 2402MHz
2) 2441MHz
3) 2480MHz
11.C/I co - channel
9
10
8
879
816
819
9
kHz
kHz
KHz/50us
KHz
KHz
KHz
dB
Data Sheet
May 6, 2005
Proprietary Information and Specifications are Subject to Change
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