ST STM32 Application Note

ADC internal principle AN2834
8/49 DocID15067 Rev 3
Figure 4. Step 1: Compare with V
REF
/2
1. First approximation step. S1 switched to V
REF
.
Figure 5. Step 2: If MSB = 0, then compare with ¼V
REF
1. Compare with ¼V
REF
; if MSB =1. S1 switched back to ground. S2 switched to V
REF
.
DLE
6
6E
&/.
' 4
&/5
35
$
6
6D
9,1
$'&'DWD
$'&&ON
6 6 6 6 6 6 6
& & & & & & & & &
95()
6 6
& &
(TXLYDOHQWFLUFXLW
$
&
&
95()
9&203 ±9,195()
DLE
6
6E
&/.
' 4
&/5
35
$
6
6D
9,1
$'&'DWD
$'&&ON
6 6 6 6 6 6 6
& & & & & & & & &
95()
6 6
& &
(TXLYDOHQWFLUFXLW
$
&
&
95()
9&203 ±9,195()

ST STM32 Specifications

General

Series	STM32
Category	Microcontrollers
Core	ARM Cortex-M0, Cortex-M0+, Cortex-M3, Cortex-M4, Cortex-M7, Cortex-M33
Clock Speed	Up to 480 MHz
GPIO Pins	Up to 144
Communication Interfaces	I2C, SPI, USART, USB, CAN, Ethernet
Package Types	LQFP, BGA, WLCSP
ADC Resolution	12-bit, 16-bit (varies by series)
DAC Resolution	12-bit (varies by series)
Operating Temperature	-40°C to +85°C or +105°C