W7020 Datasheet, PDF (22/36 Pages) List of Unclassifed Manufacturers – Bluetooth Radio Module

W7020 Bluetooth Radio Module
Preliminary Data Sheet
September 2000
Transmit and Receiver Application
Application Circuit Diagram
BASEBAND INTERFACE LINES
DATA INTERFACE
RX_DATA
2.8 V
6.8 µF
4.7 pF
11
10
9
8
7
6
5
4
3
2
NC 12
GND 13
GND 14
GND 15
GND 16
ANT 17
SWITCH
RX
BALUN
TX
BALUN
LOOP
FILTER
VCO
TANK
ANTENNA
FILTER
XO
LNA
TX AMP
∑ BPF DISC
Φ
LO
PLL
LPF
18
19
20
21
22
23
24
25
26
27
2.8 V
6.8 µF
4.7 pF
DIGITAL CONTROL
INPUTS
POR_EXT
1
34 ^SYS_CLK
33 SYS_CLK_REQ
32 PX_ON
31 LPO_CLK
30 _POR
29 SI_CDO
28
RX_ON
TX_ON
SYS_CLK_REQ
PX_ON
DIGITAL CONTROL
OUTPUTS
TX_CLK
(1 MHz)
SYS_CLK
(13 MHz)
LPO_CLK
(3.2 kHz)
POR
(RESET OUTPUT)
SERIAL INTERFACE
SI_CDO
SI_CDI
SI_CMS
SI_CLK
DIGITAL CONTROL
INPUTS
SYNT_ON
PHD_OFF
DATA INTERFACE
TX_DATA
Figure 8. Application Circuit Diagram
22
Lucent Technologies Inc.