SLAU367 User guide

SLAU367P October 2012 – April 2020 MSP430FR5041 , MSP430FR5043 , MSP430FR50431 , MSP430FR5847 , MSP430FR58471 , MSP430FR5848 , MSP430FR5849 , MSP430FR5857 , MSP430FR5858 , MSP430FR5859 , MSP430FR5867 , MSP430FR58671 , MSP430FR5868 , MSP430FR5869 , MSP430FR5870 , MSP430FR5872 , MSP430FR58721 , MSP430FR5887 , MSP430FR5888 , MSP430FR5889 , MSP430FR58891 , MSP430FR5922 , MSP430FR59221 , MSP430FR5947 , MSP430FR59471 , MSP430FR5948 , MSP430FR5949 , MSP430FR5957 , MSP430FR5958 , MSP430FR5959 , MSP430FR5962 , MSP430FR5964 , MSP430FR5967 , MSP430FR5968 , MSP430FR5969 , MSP430FR5969-SP , MSP430FR59691 , MSP430FR5970 , MSP430FR5972 , MSP430FR59721 , MSP430FR5986 , MSP430FR5987 , MSP430FR5988 , MSP430FR5989 , MSP430FR5989-EP , MSP430FR59891 , MSP430FR5992 , MSP430FR5994 , MSP430FR59941 , MSP430FR6005 , MSP430FR6007 , MSP430FR6035 , MSP430FR6037 , MSP430FR60371 , MSP430FR6041 , MSP430FR6043 , MSP430FR60431 , MSP430FR6045 , MSP430FR6047 , MSP430FR60471 , MSP430FR6820 , MSP430FR6822 , MSP430FR68221 , MSP430FR6870 , MSP430FR6872 , MSP430FR68721 , MSP430FR6877 , MSP430FR6879 , MSP430FR68791 , MSP430FR6887 , MSP430FR6888 , MSP430FR6889 , MSP430FR68891 , MSP430FR6920 , MSP430FR6922 , MSP430FR69221 , MSP430FR6927 , MSP430FR69271 , MSP430FR6928 , MSP430FR6970 , MSP430FR6972 , MSP430FR69721 , MSP430FR6977 , MSP430FR6979 , MSP430FR69791 , MSP430FR6987 , MSP430FR6988 , MSP430FR6989 , MSP430FR69891

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86
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106
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262
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279
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281
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299
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322
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350
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358
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3. 378
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389
1. 390
2. 391
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3. 401
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4. 405
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417
1. 418
2. 419
3. 420
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422
1. 423
2. 424
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3. 448
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457
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470
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3. 478
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492
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499
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507
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528
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554
1. 555
2. 556
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3. 565
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4. 571
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8. 579
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625
1. 626
2. 627
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    1. 638
      1. 639
      2. 640
  7. 641
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3. 647
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4. 649
5. 650
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  20. 670
671
1. 672
2. 673
  1. 674
  2. 675
  3. 676
  4. 677
  5. 678
  6. 679
  7. 680
  8. 681
3. 682
  1. 683
4. 684
  1. 685
  2. 686
  3. 687
  4. 688
  5. 689
  6. 690
  7. 691
  8. 692
  9. 693
694
1. 695
2. 696
  1. 697
  2. 698
  3. 699
  4. 700
  5. 701
  6. 702
    1. 703
3. 704
  1. 705
706
1. 707
2. 708
  1. 709
    1. 710
  2. 711
  3. 712
    1. 713
      1. 714
    2. 715
    3. 716
    4. 717
      1. 718
    5. 719
  4. 720
    1. 721
      1. 722
    2. 723
  5. 724
    1. 725
      1. 726
      2. 727
      3. 728
  6. 729
    1. 730
    2. 731
      1. 732
3. 733
  1. 734
  2. 735
  3. 736
  4. 737
  5. 738
  6. 739
740
1. 741
  1. 742
2. 743
  1. 744
    1. 745
    2. 746
  2. 747
  3. 748
    1. 749
      1. 750
    2. 751
    3. 752
    4. 753
      1. 754
    5. 755
  4. 756
    1. 757
      1. 758
    2. 759
      1. 760
      2. 761
  5. 762
    1. 763
      1. 764
      2. 765
      3. 766
  6. 767
    1. 768
    2. 769
    3. 770
3. 771
  1. 772
  2. 773
  3. 774
  4. 775
  5. 776
  6. 777
778
1. 779
780
1. 781
2. 782
  1. 783
  2. 784
  3. 785
  4. 786
    1. 787
  5. 788
  6. 789
3. 790
  1. 791
  2. 792
  3. 793
  4. 794
  5. 795
  6. 796
  7. 797
  8. 798
  9. 799
  10. 800
  11. 801
  12. 802
  13. 803
  14. 804
  15. 805
  16. 806
  17. 807
  18. 808
  19. 809
  20. 810
  21. 811
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  23. 813
  24. 814
  25. 815
  26. 816
  27. 817
  28. 818
  29. 819
  30. 820
  31. 821
822
1. 823
2. 824
  1. 825
  2. 826
  3. 827
  4. 828
  5. 829
  6. 830
    1. 831
  7. 832
    1. 833
      1. 834
  8. 835
    1. 836
    2. 837
    3. 838
  9. 839
3. 840
  1. 841
    1. 842
    2. 843
    3. 844
  2. 845
    1. 846
4. 847
  1. 848
  2. 849
  3. 850
  4. 851
  5. 852
  6. 853
  7. 854
  8. 855
  9. 856
  10. 857
  11. 858
  12. 859
  13. 860
  14. 861
  15. 862
  16. 863
  17. 864
  18. 865
  19. 866
  20. 867
  21. 868
  22. 869
  23. 870
  24. 871
  25. 872
  26. 873
  27. 874
  28. 875
  29. 876
  30. 877
  31. 878
  32. 879
  33. 880
  34. 881
  35. 882
  36. 883
  37. 884
  38. 885
  39. 886
  40. 887
  41. 888
  42. 889
  43. 890
  44. 891
  45. 892
  46. 893
  47. 894
  48. 895
  49. 896
  50. 897
  51. 898
  52. 899
900
1. 901
2. 902
3. 903
  1. 904
  2. 905
  3. 906
    1. 907
      1. 908
    2. 909
      1. 910
  4. 911
    1. 912
  5. 913
    1. 914
    2. 915
  6. 916
  7. 917
    1. 918
  8. 919
  9. 920
    1. 921
    2. 922
  10. 923
    1. 924
    2. 925
  11. 926
    1. 927
    2. 928
  12. 929
  13. 930
  14. 931
  15. 932
    1. 933
    2. 934
    3. 935
    4. 936
      1. 937
  16. 938
4. 939
  1. 940
  2. 941
  3. 942
  4. 943
  5. 944
  6. 945
  7. 946
  8. 947
  9. 948
  10. 949
  11. 950
  12. 951
952
1. 953
2. 954
3. 955
  1. 956
  2. 957
  3. 958
    1. 959
    2. 960
  4. 961
    1. 962
  5. 963
    1. 964
    2. 965
  6. 966
    1. 967
  7. 968
  8. 969
    1. 970
    2. 971
    3. 972
      1. 973
4. 974
  1. 975
  2. 976
  3. 977
  4. 978
  5. 979
  6. 980
  7. 981
  8. 982
5. 983
  1. 984
  2. 985
  3. 986
  4. 987
  5. 988
  6. 989
  7. 990
  8. 991
992
1. 993
2. 994
3. 995
  1. 996
  2. 997
  3. 998
    1. 999
    2. 1000
    3. 1001
  4. 1002
    1. 1003
    2. 1004
  5. 1005
    1. 1006
      1. 1007
      2. 1008
      3. 1009
    2. 1010
      1. 1011
      2. 1012
      3. 1013
    3. 1014
  6. 1015
  7. 1016
    1. 1017
    2. 1018
    3. 1019
  8. 1020
    1. 1021
    2. 1022
  9. 1023
    1. 1024
    2. 1025
  10. 1026
  11. 1027
    1. 1028
    2. 1029
    3. 1030
    4. 1031
    5. 1032
      1. 1033
4. 1034
  1. 1035
  2. 1036
  3. 1037
  4. 1038
  5. 1039
  6. 1040
  7. 1041
  8. 1042
  9. 1043
  10. 1044
  11. 1045
  12. 1046
  13. 1047
  14. 1048
  15. 1049
  16. 1050
  17. 1051
1052
1. 1053
2. 1054
  1. 1055
  2. 1056
    1. 1057
    2. 1058
    3. 1059
3. 1060
  1. 1061
1062
1. 1063
2. 1064
  1. 1065
    1. 1066
  2. 1067
    1. 1068
  3. 1069
  4. 1070
  5. 1071
  6. 1072
    1. 1073
    2. 1074
    3. 1075
  7. 1076
  8. 1077
    1. 1078
    2. 1079
    3. 1080
    4. 1081
    5. 1082
    6. 1083
  9. 1084
  10. 1085
  11. 1086
  12. 1087
  13. 1088
  14. 1089
    1. 1090
    2. 1091
3. 1092
  1. 1093
  2. 1094
  3. 1095
  4. 1096
  5. 1097
  6. 1098
  7. 1099
  8. 1100
  9. 1101
  10. 1102
  11. 1103
  12. 1104
  13. 1105
  14. 1106
  15. 1107
1108
1. 1109
2. 1110
  1. 1111
  2. 1112
  3. 1113
  4. 1114
  5. 1115
  6. 1116
  7. 1117
  8. 1118
  9. 1119
3. 1120
  1. 1121
  2. 1122
  3. 1123
  4. 1124
  5. 1125
  6. 1126
1127
1. 1128
2. 1129
  1. 1130
    1. 1131
    2. 1132
  2. 1133
  3. 1134
  4. 1135
    1. 1136
    2. 1137
    3. 1138
  5. 1139
    1. 1140
    2. 1141
    3. 1142
  6. 1143
  7. 1144
    1. 1145
  8. 1146
  9. 1147
  10. 1148
  11. 1149
  12. 1150
  13. 1151
3. 1152
  1. 1153
  2. 1154
  3. 1155
  4. 1156
  5. 1157
  6. 1158
  7. 1159
  8. 1160
  9. 1161
  10. 1162
  11. 1163
1164
1. 1165
2. 1166
  1. 1167
    1. 1168
    2. 1169
    3. 1170
    4. 1171
    5. 1172
    6. 1173
    7. 1174
  2. 1175
    1. 1176
    2. 1177
    3. 1178
    4. 1179
    5. 1180
    6. 1181
    7. 1182
    8. 1183
  3. 1184
  4. 1185
  5. 1186
    1. 1187
    2. 1188
    3. 1189
    4. 1190
    5. 1191
  6. 1192
  7. 1193
    1. 1194
    2. 1195
    3. 1196
  8. 1197
    1. 1198
      1. 1199
      2. 1200
    2. 1201
    3. 1202
3. 1203
  1. 1204
  2. 1205
  3. 1206
  4. 1207
  5. 1208
  6. 1209
  7. 1210
  8. 1211
  9. 1212
  10. 1213
  11. 1214
  12. 1215
  13. 1216
  14. 1217
  15. 1218
  16. 1219
  17. 1220
  18. 1221
  19. 1222
  20. 1223
  21. 1224
  22. 1225
  23. 1226
  24. 1227
1228
1. 1229
2. 1230
  1. 1231
  2. 1232
  3. 1233
  4. 1234
  5. 1235
  6. 1236
  7. 1237
3. 1238
1239

22.2.12 Conditions to Stop Data Conversion

Table 22-9 lists the conditions that stop SDHS data conversion. The SDHSRIS.ACQDONE bit is set to 1 to indicate that data conversion has been stopped (either incomplete or complete). When the previous data conversion has been forced to stopped before completion, the SDHSRIS.ISTOP bit is set to 1 to indicate that data conversion has been interrupted (incomplete).

Table 22-9 SDHS Conversion Stop Conditions

Stop Condition	SDHSCTL0.TRGSRC	SDHSCTL0.AUTOSSDIS	SDHSCTL2.SMPCTLOFF	Result
Number of samples = SDHSCTL2.SMPSZ + 1	Don't care	Don't care	0	SDHS power	No change
				Data conversion	Stop
				SDHSRIS.ISTOP	No change
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
	Don't care	Don't care	1	Not supported
The ASQ stops the SDHS operation (ACQ_SDHSSTOP: 0 → 1) caused by: UUPSCTL.USSSTOP = 0 → 1 UUPSCTL.USSPWRDN = 0 →1 SAPHASCTL0.STOP = 0 → 1 Enter debug mode while the SDHS is performing data conversion	Don't care	Don't care	Don't care	SDHS power	No change
				Data conversion	Stop
				SDHSRIS.ISTOP	Assert
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
SDHSCTL4.SDHSON: 1 → 0	0	Don't care	0	SDHS power	Power off
				Data conversion	Stop
				SDHSRIS.ISTOP	Assert
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
			1	SDHS power	Power off
				Data conversion	Stop
				SDHSRIS.ISTOP	No change
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
	1	Don't care	Don't care	Not supported
ASQ_ACQARM: 1 → 0 (from ASQ)	0	Don't care	Don't care	Not supported
	1	Don't care	0	SDHS power	Power off
				Data conversion	Stop
				SDHSRIS.ISTOP	Assert
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
				SDHS power	Power off
				Data conversion	Stop
				SDHSRIS.ISTOP	No change
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
SDHSCTL5.SSTART: 1 → 0	0	0	Don't care	Not supported
		1	0	SDHS power	No change
				Data conversion	Stop
				SDHSRIS.ISTOP	Assert
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
			1	SDHS power	No change
				Data conversion	Stop
				SDHSRIS.ISTOP	No change
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
	1	Don't care	Don't care	Not supported
ASQ_ACQTRG: 1 → 0 (from ASQ)	0	Don't care	Don't care	Not supported
	1	0	Don't care	Not supported
		1	0	SDHS power	No change
				Data conversion	Stop
				SDHSRIS.ISTOP	Assert
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert
			1	SDHS power	No change
				Data conversion	Stop
				SDHSRIS.ISTOP	No change
				SDHS_ACQDONE (to ASQ)	Assert
				SDHSRIS.ACQDONE	Assert

The stop conditions listed in Table 22-9 can occur when data conversion has already completed or has not started. Table 22-10 summarizes how the SDHS responds to the signals when no data conversion is ongoing.

Table 22-10 SDHS Response to Conversion Stop Signals When Data Conversion is Not Running

Action	Conditions	Result
SDHSCTL4.SDHSON: 1 → 0 (SDHSCTL0.TRGSRC = 0) or ASQ_ACQARM: 1 → 0 (SDHSCTL0.TRGSRC = 1)	SDHS is not performing data conversion	SDHS Power	Power off
		SDHSRIS.ISTOP bit	No change
		SDHS_ACQDONE (to ASQ)	No change
		RIS.ACQDONE	No change
The ASQ stops the SDHS operation (ACQ_SDHSSTOP: 0 → 1)	SDHS is not performing data conversion	SDHS power	No change
		SDHSRIS.ISTOP bit	No change
		SDHS_ACQDONE (to ASQ)	Assert
		SDHSRIS.ACQDONE	No change