Analog-to-digital converter (ADC)
RM0008
11.12.2
ADC control register 1 (ADC_CR1)
Address offset: 0x04
Reset value: 0x0000 0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Reserved
AWDEN JAWDEN
Reserved
DUALMOD[3:0]
Res.
rw
rw
Res.
rw
rw
rw
rw
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DISCNUM[2:0]
JDISCE
N
DISC
EN
JAUTO
AWD
SGL
SCAN JEOC IE AWDIE
EOCIE
AWDCH[4:0]
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
Bits 31:24
Reserved, must be kept cleared.
Bit 23 AWDEN: Analog watchdog enable on regular channels
This bit is set/reset by software.
0: Analog watchdog disabled on regular channels
1: Analog watchdog enabled on regular channels
Bit 22 JAWDEN: Analog watchdog enable on injected channels
This bit is set/reset by software.
0: Analog watchdog disabled on injected channels
1: Analog watchdog enabled on injected channels
Bits 21:20
Reserved, must be kept cleared.
Bits 19:16 DUALMOD[3:0] : Dual mode selection
These bits are written by software to select the operating mode.
0000: Independent mode.
0001: Combined regular simultaneous + injected simultaneous mode
0010: Combined regular simultaneous + alternate trigger mode
0011: Combined injected simultaneous + fast interleaved mode
0100: Combined injected simultaneous + slow Interleaved mode
0101: Injected simultaneous mode only
0110: Regular simultaneous mode only
0111: Fast interleaved mode only
1000: Slow interleaved mode only
1001: Alternate trigger mode only
Note: These bits are reserved in ADC2 and ADC3.
In dual mode, a change of channel configuration generates a restart that can produce a
loss of synchronization. It is recommended to disable dual mode before any
configuration change.
Bits 15:13 DISCNUM[2:0] : Discontinuous mode channel count
These bits are written by software to define the number of regular channels to be converted
in discontinuous mode, after receiving an external trigger.
000: 1 channel
001: 2 channels
.......
111: 8 channels
220/995
Doc ID 13902 Rev 9
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