Nuvoton NuMicro MS51PC0AE - Page 443

MS51
Nov. 28, 2019 Page 443 of 491 Rev 1.00
MS51 32K SERIES TECHNICAL REFERENCE MANUAL
Following shows the multi function define of ADC.
Group
Pin Name
GPIO
Description
ADC
ADC_CH0
P1.7
ADC_ channel analog input.
ADC_CH1
P3.0
ADC_ channel analog input.
ADC_CH2
P0.7
ADC_ channel analog input.
ADC_CH3
P0.6
ADC_ channel analog input.
ADC_CH4
P0.5
ADC_ channel analog input.
ADC_CH5
P0.4
ADC_ channel analog input.
ADC_CH6
P0.3
ADC_ channel analog input.
ADC_CH7
P1.1
ADC_ channel analog input.
ADC_CH9
P2.1
ADC_ channel analog input.
ADC_CH10
P2.2
ADC_ channel analog input.
ADC_CH11
P2.3
ADC_ channel analog input.
ADC_CH12
P2.4
ADC_ channel analog input.
ADC_CH13
P1.3
ADC_ channel analog input.
ADC_CH14
P1.4
ADC_ channel analog input.
ADC_CH15
P2.5
ADC_ channel analog input.
ADC Conversion Triggered by External Source 6.13.2.2
Besides setting ADCS via software, the MS51 32K series is enhanced by supporting hardware
triggering method to start an A/D conversion. If ADCEX (ADCCON1.1) is set, edges or period points
on selected PWM channel or edges of STADC pin will automatically trigger an A/D conversion. (The
hardware trigger also sets ADCS by hardware.)
The effective condition is selected by ETGSEL (ADCCON0[5:4]) and ETGTYP (ADCCON1[3:2]). A
trigger delay can also be inserted between external trigger point and A/D conversion. The external
trigging ADC hardware with controllable trigger delay makes the MS51 32K series feasible for high
performance motor control. Note that during ADC is busy in converting (ADCS = 1), any conversion
triggered by software or hardware will be ignored and there is no warning presented.