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BK3231S Datasheet(PDF) 13 Page - List of Unclassifed Manufacturers |
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BK3231S Datasheet(HTML) 13 Page - List of Unclassifed Manufacturers |
13 / 24 page ![]() 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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