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BK3211 Datasheet
v 1.2
BK3211
Specifications
Beken Internal Data — Signed NDA Required for Distribution
Single Chip for Bluetooth
Beken Corporation
Suite 3A, No.1278 Keyuan Road, Zhangjiang High Tech Park, Pudong New District,
Shanghai 201203, China
PHONE: (86)21 5108 6811
FAX: (86)21 6087 1277
This document contains information that may be proprietary to, and/or secrets of, Beken Corporation. The contents of this
document should not be disclosed outside the companies without specific written permission.
Disclaimer: Descriptions of specific implementations are for illustrative purpose only, actual hardware implementation may differ.
© 2012 Beken Corporation
Proprietary and Confidential
Page 1 of 14
1 page
BK3211 Datasheet
v 1.2
11 I2C_SCL
I2C Clock signal
12 I2C_SDA
I2C Data signal
13 CLK_EN
Request source clock active
14 XI
Crystal input or oscillator input.
15 XO
Crystal output.
16 LDO_EN
System power on/off control
17 NC
Not connect
18 NC
Not connect
19 RFP
RF input and output
20 GPIO5
General purpose input/output
21 GPIO2
General purpose input/output or Bluetooth Priority signal
22 NC
Not connect
23 NC
Not connect
24 NC
Not connect
25 NC
Not connect
26
BT_WAKE
To wakeup BT. Input from host.
27 NC
Not connect
28 NC
Not connect
29 VDDD12
Power supply for digital
30 GPIO4
General purpose input/output or WLAN Active signal
31
HOST_WAKE
To wakeup host. Output to host.
32
UART_TXD
UART TX data output
© 2012 Beken Corporation
Proprietary and Confidential
Page 5 of 14
5 Page
BK3211 Datasheet
v 1.2
5. Application Schematic
The compatible design for BK3211 and BK3511,
which inside the square brackets are BK3511 Pin names or component values
HOST_WAKE
UART_TXD
UART_RXD
PCM_SDO
PCM_SDI
PCM_CLK
PCM_SY NC
VIO
C12
100nF
L1 NC
C3
1 uF
C14
1uF
C16 NC [100 nF]
FM_OUTL
U4 FM ANT
C18 NC [100 nF]
FM_OUTR
C17 NC [18 pF]
R12 0 Ohm [NC]
R11
0 Ohm [NC]
1 24
2 UART_RXD
NC 23
3
4
5
PCM_SDO
PCM_SDI
PCM_CLK
NC [FMIP]
NC [FMIN]
GPIO2
22
21
20
6
7
8
PCM_SY NC
VIO
BK3211
[BK3511]
GPIO5
RFP
VDD18
NC
SW NC
19
18
17
U1
R10 NC [0 Ohm]
C4 2.7 pF
L6 3 nH
Note 5
L4 NC [100 nH]
R9 NC [0 Ohm]
Note 1
R8 0 Ohm /NC
C5 1 pF
L2
2.4 nH
L13
2 nH
22
U3
44
BPF_2.4GHz
Note 2
C6 10pF
L5
NC
BT ANT
U2
L3
NC
VBAT
CLK32K
VIO
I2C_SDA
I2C_SCLK
CLKEN
CLK_26M
C7 C8
1uF 100nF
Note 7
R3 1 K
Note 3
R4 10K
R5 10K
C10
15pF
X1 26MHz
1 13 3
Note 4
C11
15pF
R6 0 Ohm
Note 6
C13
100 pF/NC
LDOEN
Figure 3 BK3211 Application Diagram
The detail schematic design please refers to the hardware design reference.
© 2012 Beken Corporation
Proprietary and Confidential
Page 11 of 14
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