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PDF BK1081 Data sheet ( Hoja de datos )
| Número de pieza | BK1081 | |
| Descripción | FM STEREO TRANSMITTER | |
| Fabricantes | Beken | |
| Logotipo |  |
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FM STEREO TRANSMITTER
Features
Support 64~125 MHz band
Fully integrated PLL
Digital FM stereo encoder
50us/75us pre-emphasis
Max output power 10dBm
Output power programmable
2..5 ~ 3.6 V supply voltage
Active current 15 mA
Wide range reference clock support
3-wireSPI or 2-wire I2C interface
3x3 mm 20-pin QFN package ,16-pin
TSSOP package or 10-pin SSOP
Applications
MP3 Player
Wireless Speaker
Toys
Functional Block Diagram
BK1081
QFN 20 Pin Assignments (Top View)
TSSOP 16 Pin Assignments (Top View)
SSOP 10 Pin Assignments (Top View)
Preliminary Rev.0.1
Copyright@2009 by Beken Corporation
BK1081
Beken Confidential. Information contained herein is covered under non-disclosure agreement (NDA).
Free Datasheet http://www.Datasheet4U.com
1 page  
BK1081
0.5TCLK
MOSI
SCK
Command
Addr[6:0] + R/W
Data[Addr]
D[15], D[14], , D[0]
Data[Addr+1]
D[15:0]
CSN
0.5TCLK
Figure 2 3-wire control interface timing diagram
Data[Addr+N]
D[15:0]
0.5TCLK
0.5TCLK
Device ID
ACK Addr + R/W
DeviceID
Addr[6:0] + R/W
Data[Addr] A Data[Addr]
High Byte C Low Byte
K
D[15:8]
D[7:0]
Data[Addr+N] A Data[Addr+N]
High Byte C Low Byte
K
N
A
C
K
D[15:8]
D[7:0]
.
0.5TCLK
Start
Figure 3 2-wire control interface timing diagram
0.5TCLK
Stop
Proprietary and Confidential
Page 5 of 20
Free Datasheet http://www.Datasheet4U.com
5 Page 
BK1081
Figure 5 Pin Assignment for BK1081 TSSOP16 package (top view)
Table 6 BK1081 TSSOP16 pin assignment
Pin Number(s) Name
Type Description
1 XI
I
Crystal input
2 RST I
Reset, active low
3 XO 0
Crystal output
4
GND
G
Ground
5 SEL I
6
D201
I
Pre-emphasis time constant selection
Channel selection bit
7
LCH
I
Left channel input
8
RCH
I
Right channel input
9
MOSI2
IO
I2C data IO
10 SCK I
I2C clock input
11
GND
G
Ground
12
VDD
P
Power
13
GND
G
Ground
14
VDD
P
Power
15
POUT
RF
RF output
16
PWD
I
Power down enable
Notes：
1. Pin D2, D1, D0 of QFN20 is bond together and named D20 at TSSOP16. Pin D3 of QFN20 is bond
to ground.
2. Only I2C mode is supported by TSSOP16 package.
Proprietary and Confidential
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11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet BK1081.PDF ] | |
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