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STM32W108HB Datasheet(PDF) 229 Page - STMicroelectronics |
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STM32W108HB Datasheet(HTML) 229 Page - STMicroelectronics |
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229 / 278 page  STM32W108HB STM32W108CC STM32W108CB STM32W108CZ Analog-to-digital converter Doc ID 16252 Rev 14 229/278 11.3.4 ADC offset register (ADC_OFFSETR) Address offset: 0xD008 Reset value: 0x0000 0000 Reserved, must be kept at reset value OFFSET[15:0]: 11.3.5 ADC gain register (ADC_GAINR) Address offset: 0xD00C Reset value: 0x0000 8000 Reserved, must be kept at reset value GAIN[15:0]: Bit 1 Reserved: This bit must always be set to 0 Bit 0 ADON: A/D converter on/off This bit is set and cleared by software. Write 1 to enable continuous conversions and write 0 to stop. When the ADC is started, the first conversion takes twice the usual number of clocks plus 21 microseconds. If anything in this register is modified while the ADC is running, the next conversion takes twice the usual number of clocks. 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Reserved 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 OFFSET[15:0] rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw Bits [31:16] Bits [15:0] 16-bit signed offset added to the basic ADC conversion result before gain correction is applied. 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Reserved 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 GAIN[15:0] rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw Bits [31:16] Bits [15:0] Gain factor that is multiplied by the offset-corrected ADC result to produce the output value. The gain is a 16-bit unsigned scaled integer value with a binary decimal point between bits 15 and 14. It can represent values from 0 to (almost) 2. The reset value is a gain factor of 1. |
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