diff --git a/components/hal/include/hal/adc_types.h b/components/hal/include/hal/adc_types.h
index f5efb1d427..3019cd116c 100644
--- a/components/hal/include/hal/adc_types.h
+++ b/components/hal/include/hal/adc_types.h
@@ -161,7 +161,8 @@ typedef struct {
 typedef struct {
     union {
         struct {
-            uint32_t data:          13; /*!<ADC real output data info. Resolution: 13 bit. */
+            uint32_t data:          12; /*!<ADC real output data info. Resolution: 12 bit. */
+            uint32_t reserved12:    1;  /*!<Reserved12. */
             uint32_t channel:       4;  /*!<ADC channel index info.
                                             If (channel < ADC_CHANNEL_MAX), The data is valid.
                                             If (channel > ADC_CHANNEL_MAX), The data is invalid. */
diff --git a/components/soc/esp32c3/include/soc/adc_channel.h b/components/soc/esp32c3/include/soc/adc_channel.h
index 9a645006c4..49f3ca9cb7 100644
--- a/components/soc/esp32c3/include/soc/adc_channel.h
+++ b/components/soc/esp32c3/include/soc/adc_channel.h
@@ -15,19 +15,19 @@
 #ifndef _SOC_ADC_CHANNEL_H
 #define _SOC_ADC_CHANNEL_H
 
-#define ADC1_GPIO1_CHANNEL     ADC1_CHANNEL_0
+#define ADC1_GPIO0_CHANNEL     ADC1_CHANNEL_0
 #define ADC1_CHANNEL_0_GPIO_NUM 0
 
-#define ADC1_GPIO2_CHANNEL     ADC1_CHANNEL_1
+#define ADC1_GPIO1_CHANNEL     ADC1_CHANNEL_1
 #define ADC1_CHANNEL_1_GPIO_NUM 1
 
-#define ADC1_GPIO3_CHANNEL     ADC1_CHANNEL_2
+#define ADC1_GPIO2_CHANNEL     ADC1_CHANNEL_2
 #define ADC1_CHANNEL_2_GPIO_NUM 2
 
-#define ADC1_GPIO4_CHANNEL     ADC1_CHANNEL_3
+#define ADC1_GPIO3_CHANNEL     ADC1_CHANNEL_3
 #define ADC1_CHANNEL_3_GPIO_NUM 3
 
-#define ADC1_GPIO5_CHANNEL     ADC1_CHANNEL_4
+#define ADC1_GPIO4_CHANNEL     ADC1_CHANNEL_4
 #define ADC1_CHANNEL_4_GPIO_NUM 4
 
 #define ADC2_GPIO5_CHANNEL      ADC2_CHANNEL_0
diff --git a/components/soc/esp32s3/include/soc/soc_caps.h b/components/soc/esp32s3/include/soc/soc_caps.h
index ac63ebc643..53d385e067 100644
--- a/components/soc/esp32s3/include/soc/soc_caps.h
+++ b/components/soc/esp32s3/include/soc/soc_caps.h
@@ -56,7 +56,7 @@
 /*!< Digital */
 #define SOC_ADC_DIGI_CONTROLLER_NUM             (2)
 #define SOC_ADC_PATT_LEN_MAX                    (24)    //Two pattern table, each contains 12 items. Each item takes 1 byte
-#define SOC_ADC_DIGI_MAX_BITWIDTH               (13)
+#define SOC_ADC_DIGI_MAX_BITWIDTH               (12)
 /*!< F_sample = F_digi_con / 2 / interval. F_digi_con = 5M for now. 30 <= interva <= 4095 */
 #define SOC_ADC_SAMPLE_FREQ_THRES_HIGH          83333
 #define SOC_ADC_SAMPLE_FREQ_THRES_LOW           611