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STM32L072VB 数据表(PDF) 12 Page - STMicroelectronics |
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STM32L072VB 数据表(HTML) 12 Page - STMicroelectronics |
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12 / 147 page  Description STM32L072xx 12/147 DocID027100 Rev 3 2.1 Device overview Table 2. Ultra-low-power STM32L072xx device features and peripheral counts Peripheral STM32L07 2V8 STM32L07 2KB STM32L07 2CB STM32L07 2VB STM32L07 2RB STM32L07 2KZ STM32L07 2CZ STM32L07 2VZ STM32L07 2RZ Flash (Kbytes) 64 Kbytes 128 Kbytes 192 Kbytes Data EEPROM (Kbytes) 3 Kbytes 6 Kbytes RAM (Kbytes) 20 Kbytes Timers General- purpose 4 Basic 2 LPTIMER 1 RTC/SYSTICK/IWDG/ WWDG 1/1/1/1 Com. interfaces SPI/I2S 6(4)(1)/1 4(3)(2)/0 6(4)(1)/1 4(3)(2)/0 6(4)(1)/1 I2C 32 3 2 3 USART 4 34 3 4 LPUART 1 USB /(VDD_USB) 1/(1) 1/(0)(3) 1/(1) 1/(0)(3) 1/(1) GPIOs 84 25(3) 40(4) 84 51(5) 25(3) 40(4) 84 51(5) Clocks: HSE/LSE/HSI/MSI/LSI 1/1/1/1/1 12-bit synchronized ADC Number of channels 1 16 1 10 1 13(4) 1 16 1 16(5) 1 10 1 13(4) 1 16 1 16(5) 12-bit DAC Number of channels 2 2 Comparators 2 Capacitive sensing channels 24 13(3) 19(4) 24 24(5) 13(3) 19(4) 24 24(5) Max. CPU frequency 32 MHz Operating voltage 1.8 V to 3.6 V (down to 1.65 V at power-down) with BOR option 1.65 to 3.6 V without BOR option Operating temperatures Ambient temperature: –40 to +125 °C Junction temperature: –40 to +130 °C Packages LQFP100 UFBGA100 UFQFPN32 LQFP32 LQFP48 WLCSP49 LQFP100 UFBGA100 LQFP64 TFBGA64 UFQFPN32 LQFP32 LQFP48 WLCSP49 LQFP100 UFBGA100 LQFP64 TFBGA64 UFBGA64 1. 4 SPI interfaces are USARTs operating in SPI master mode. 2. 3 SPI interfaces are USARTs operating in SPI master mode. 3. UFQFP32 has 2 GPIOs and 1 capacitive sensing channel less that LQFP32.However, UFQFP32 features a VDD_USB pin while LQPF32 does not. 4. LQFP48 has three GPIOs, three ADC channels and two capacitive sensing channel less than WLCSP49. 5. TFBGA64 has one GPIO, one ADC input and one capacitive sensing channel less than LQFP64. |
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