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STLBC01 数据表(PDF) 11 Page - STMicroelectronics |
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STLBC01 数据表(HTML) 11 Page - STMicroelectronics |
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11 / 40 page ![]() DocID022984 Rev 2 11/40 STLBC01 Typical application diagram and pin description Table 3. STBLC01 pinout description Pin Name Type Description 1 UART_TX / SPI_MISO Digital output UART TX / SPI data output (SDO) 2 UART_RX / SPI_MOSI Digital input UART RX / SPI data input (SDI) 3 SPI_CLK Digital input SPI clock input (SCK) 4 VDD Power Positive supply for the digital part (1) 1. For proper operation of the chip, this terminal must not be loaded by any external circuitry. 5 AVSS Ground Negative supply for the digital part (2) 2. For proper operation of the chip, this terminal must be connected to a common ground plane. 6 AVSS1 Ground Ground (2) 7 AVSS2 Ground Ground (2) 8 AVSS3 Ground Ground (2) 9 VBAT Analog Ground (2) 10 WU/CSN Digital input UART wake up from sleep/off mode / SPI chip select. 11 SEL Digital input Interface selection (0 = UART, 1 = SPI). 12 AVSS_PLL2 Ground Negative supply of PLL (2) 13 AVDD_PA Power Regulated output voltage for the power amplifier (1) 14 AVSS_PA Ground Negative supply for the power amplifier (2) 15 ANTN RF Differential RF ports 16 ANTP RF 17 AVSS_RF Ground Negative supply of RF part (2) 18 VCC Power Main supply for the chip 19 BIAS_R Analog Pin for bias setting resistor 20 AVSS_PLL1 Ground Negative supply of PLL (2) 21 XTAL1 Analog Xtal oscillator ports 22 XTAL2 Analog 23 RST Digital input Reset 24 IRQ Digital input SPI interrupt request |
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