32.8.14 ADPRE
The individual bytes in this multibyte register can be accessed with the
following register names:
- ADPREH: Accesses the high byte PRE[12:8]
- ADPREL: Accesses the low byte PRE[7:0]
Note: If
ADPRE is not equal to ‘
0’, then ADACQ = b’00000000
means acquisition time is 256 clocks of the selected ADC
clock.| Name: | ADPRE |
| Address: | 0x10F |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| PRE[12:8] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | ||||
| Reset | 0 | 0 | 0 | 0 | 0 | ||||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PRE[7:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bits 12:0 – PRE[12:0] Precharge Time Select
| Value | Description |
|---|---|
| 0x1FFF - 0x0001 | Number of ADC clocks in the precharge time |
| 0 | Precharge time is not included in the data conversion cycle |