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BK3231S Datasheet(PDF) 13 Page - List of Unclassifed Manufacturers

Part # BK3231S
Description  Bluetooth SoC
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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BK3231S Datasheet
V1.5
© 2015 Beken Corporation
Proprietary and Confidential
Page 13 of 24
Table 2 BK3231S QFN32 Pin Description
NO
Name
Description
1
XTAL32K
The input of 32K crystal oscillator
2
VDDSPI
The output of digital LDO
3
VCCMCU
3V power supply
4
boost_cp1
Boost function PIN.
Add 100nF cap between boost_cp1 and boost_cp2
5
boost_cp2
Boost function PIN.
Add 100nF cap between boost_cp1 and boost_cp2
6
voutboost
The output of boost
7
VPP
The 6V power supply of OTP,it can be used when download
8
P31
General I/O
,or input of ADC1
9
P32
General I/O
,or input of ADC2
10
FLS_SI
The function PIN of flash
11
FLS_SCK
The function PIN of flash
12
FLS_HOLD
The function PIN of flash
13
P20
General I/O, or UART TX
14
P23
General I/O
,or data I/O for I2C0
15
P22
General I/O
,or clock for I2C0
16
P21
General I/O, or UART RX
17
P14
General I/O
,or enable for PWM4
18
P30
General I/O
,or input of ADC0
19
P01
General I/O, or 3DS_PWM[1]
20
P00
General I/O, or 3DS_PWM[0]
21
TSTEN
Enable the testting function of memory
22
VCCRF
3V power supply
23
ANT
The input of RF
24
VDDPA15
The output of PA ldo
25
VCCIF
3V power supply
26
ADCVREF
The output of reference voltage of ADC.
It can be connected to a cap on the board
27
VCCXTAL
3V power supply
28
XTALI
The input of 16M crystal oscillator
29
XTALO
The input of 16M crystal oscillator
30
FLS_CSN
The function PIN of flash
31
FLS_SO
The function PIN of flash
32
FLS_WP
The function PIN of flash


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