Adc Trigger Source Register - Adctsr - Holtek HT32F52220 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52220/HT32F52230
ADC Trigger Source Register – ADCTSR
This register contains the trigger source selection and the software trigger bit of the conversion.
Offset: 0x074
Reset value: 0x0000_0000
31
Type/Reset
23
Type/Reset
15
Type/Reset
7
Type/Reset
Bits Field
[26:24] TME
[18:16] TMS
[11:8] ADEXTIS
[0] ADSC
Rev. 1.10
30 29 28
Reserved
22 21 20
Reserved
14 13 12
Reserved
6 5 4
Reserved
Descriptions
GPTM Trigger Event Selection of ADC Conversion
000: GPTM MTO event
001: GPTM CH0O event
010: GPTM CH1O event
011: GPTM CH2O event
100: GPTM CH3O event
Others: Reserved – Should not be used to avoid unpredictable results
GPTM Trigger Timer Selection of ADC Conversion
010: GPTM
Others: Reserved – Should not be used to avoid unpredictable results
EXTI Trigger Source Selection of ADC Conversion
0x00: EXTI line 0
0x01: EXTI line 1
...
0x0F: EXTI line 15
Note that the EXTI line active edge to start an A/D conversion is determined in the
External Interrupt/Event Control Unit, EXTI.
ADC Conversion Software Trigger Bit
0: No Operation
1: Start conversion immediately
This bit is set by software to start a conversion manually and cleared by hardware
automatically after conversion started.
168 of 366
27 26
TME
RW 0 RW
19 18
TMS
RW 0 RW
11 10
ADEXTIS
RW 0 RW 0 RW
3 2
25 24
0 RW 0
17 16
0 RW 0
9 8
0 RW 0
1 0
ADSC
RW 0
November 09, 2018