Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

Product codes
ATSAM4S-WPIR-RD
Page of 1231
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
1080
42.7.3 ADC Channel Sequence 1 Register
Name:
ADC_SEQR1
Address:
0x40038008
Access:
Read/Write
This register can only be written if the WPEN bit is cleared in th
.
• USCHx: User Sequence Number x
The sequence number x (USCHx) can be programmed by the Channel number CHy where y is the value written in this 
field. The allowed range is 0 up to 15. So it is only possible to use the sequencer from CH0 to CH15.
This register activates only if ADC_MR(USEQ) field is set to ‘1’.
Any USCHx field is taken into account only if ADC_CHSR(CHx) register field reads logical ‘1’ else any value written in 
USCHx does not add the corresponding channel in the conversion sequence.
Configuring the same value in different fields leads to multiple samples of the same channel during the conversion 
sequence. This can be done consecutively, or not, according to user needs.
31
30
29
28
27
26
25
24
USCH8
USCH7
23
22
21
20
19
18
17
16
USCH6
USCH5
15
14
13
12
11
10
9
8
USCH4
USCH3
7
6
5
4
3
2
1
0
USCH2
USCH1