PGASEL=0, PGAPOL=0, PGAOSR=others, PGAGC=00000, PGAASN=0, PGACVE=0, PGAAVE=00, PGAREV=0, PGAAVN=00, PGACTN=000
Input Multiplexer 4 Setting Register
| PGAGC | Gain selection of a programmable gain instrumentation amplifier ( Gset1, Gset2, Gtotal ) 0 (others): Settings are prohibited. 0 (00000): (1, 1, 1) 1 (00001): (1, 2, 2) 2 (00010): (1, 4, 4) 3 (00011): (1, 8, 8) 4 (00100): (2, 1, 2) 5 (00101): (2, 2, 4) 6 (00110): (2, 4, 8) 7 (00111): (2, 8, 16) 8 (01000): (3, 1, 3) 9 (01001): (3, 2, 6) 10 (01010): (3, 4, 12) 11 (01011): (3, 8, 24) 12 (01100): (4, 1, 4) 13 (01101): (4, 2, 8) 14 (01110): (4, 4, 16) 15 (01111): (4, 8, 32). 16 (10000): (8, 1, 8) 17 (10001): (8, 2, 16) 18 (10010): (8, 4, 32) |
| PGAOSR | Oversampling ratio select 0 (000): 64 0 (others): Settings are prohibited. 1 (001): 128 2 (010): 256 3 (011): 512 4 (100): 1024 5 (101): 2048 |
| PGAOFS | Offset voltage select |
| Reserved | This bit is read as 0. The write value should be 0. |
| PGAPOL | Polarity select 0 (0): Positive-side single-end input 1 (1): Negative-side single-end input |
| PGASEL | Analog Channel Input Mode Select 0 (0): Differential input mode 1 (1): Single-end input mode |
| PGACTM | Coefficient (m) selection of the A/D conversion count (N) in AUTOSCAN |
| PGACTN | Coefficient (n) selection of the A/D conversion count (N) in AUTOSCAN 0 (000): 0 1 (001): 1 2 (010): 2 3 (011): 3 4 (100): 4 5 (101): 5 6 (110): 6 7 (111): 7 |
| PGAAVN | Selection of the number of data to be averaged 0 (00): 8 1 (01): 16 2 (10): 32 3 (11): 64 |
| PGAAVE | Selection of averaging processing 0 (00): Do not average the A/D conversion results 1 (01): Do not average the A/D conversion results 2 (10): Average the A/D conversion results and generates SDADC_ADI each time an A/D conversion occurs 3 (11): Perform averaging, and generate SDADC_ADI at each time of average value output (A/D conversion is performed N times). |
| PGAREV | Single-End Input A/D Converted Data Inversion Select 0 (0): Do not invert the conversion result data 1 (1): Invert the conversion result data |
| Reserved | This bit is read as 0. The write value should be 0. |
| PGACVE | Calibration enable 0 (0): Do not calculate the calibration correction factor 1 (1): Calculate the calibration correction factor |
| PGAASN | Selection of the mode for specifying the number of A/D conversions in ADSCAN 0 (0): Specify 1 to 8,032 times by using the value set in the PGACTN[2:0] and PGACTM[4:0] bits 1 (1): Specify 1 to 255 times linearly by using the value set in the PGACTN[2:0] and PGACTM[4:0] bits |