ESP32 Registers
| Address
| Bit 7 MSB
| Bit 6
| Bit 5
| Bit 4
| Bit 3
| Bit 2
| Bit 1
| Bit 0 LSB
| Funcion
| Range
|
| 00h | 0 | 10 Secs | Secs | Seconds | 00-59
|
| 01h | 0 | 10 MIns | Mins | Minutes | 00-59
|
| 02h | 0 | 12,*24 | *AM, PM | 10 Hour | Hour | Hours | 1-12 + *AM,PM 0-23
|
| 03h | 0 | 0 | 0 | 0 | 0 | Day O Week | Day | 1-7
|
| 04h | 0 | 0 | 10 Date | Date | Date | 01-31
|
| 05h | Century | 0 | 0 | 10 Month | Month | Month/Century | 01-12 Century
|
| 06h | 10 Year | Year | Year | 00-99
|
| 07h | A1M1 | 10 Seconds | Seconds | Alarm 1 Secs | 00-59
|
| 08h | A1M2 | 10 Minutes | Minutes | Alarm1 Mins | 0-59
|
| 09h | A1M3 | 12, *24 | *AM,PM | 10 Hour | Hour | Alarm 1 Hours | 1-12 + *AM,PM
|
| 20 Hour | 0-23
|
| 0Ah
| A1M4
| Dy,Dt
| 10 Date
| Day
| Alarm 1 Day
| 1-7
|
| Date | Alarm 1 Date | 1-31
|
| 0Bh
| A2M2
| 10 Minues
| Minutes
| Alarm2 Minutes
| 0-59
|
| 0Ch
| A2M3
| 12,*24
| *AM,PM
| 10 Hour
| Hour
| Alarm 2 Hours
| 1-12 + *AM,PM 00-23
|
| 20 Hour
|
| 0Dh
| A2M4
| 12 *DT
| 10 Date
| Day
| Alarm 2 Day
| 1-7
|
| Date | Alarm 2 Date | 1-31
|
| 0Eh | *EOSC | BBSQW | CONV | RS2 | RS1 | INTCN | A2IE | A1IE | Control | -
|
| 0Fh | OSF | 0 | 0 | 0 | EN32kHz | BSY | A2F | A1F | Control/Status | -
|
| 10h | SIGN | DATA | DATA | DATA | DATA | DATA | DATA | DATA | Aging Offset | -
|
| 11h | SIGN | DATA | DATA | DATA | DATA | DATA | DATA | DATA | MSB of Temp | -
|
| 12h | DATA | DATA | 0 | 0 | 0 | 0 | 0 | 0 | LSB of Temp | -
|