Trusted
225
edits
Changes
Jump to navigation
Jump to search
Line 364:
Line 364: − + Line 477:
Line 477: − + − + − + − + − | s+ − | rw − | ? − |- − | 0x3A − | s − | rw − | ? − |- − | 0x3B − | s − | rw − | ? − |- − | 0x3C − +
→Device 3
| s
| s
| rw
| rw
| ?
| RTC interrupt mask
|-
|-
| 0x1A
| 0x1A
|-
|-
| 0x30
| 0x30
- 0x37
- 0x36
| s
| s
| rw
| rw
| RTC time (system clock). 7 bytes are read from this. The upper nibble of each byte encodes 10s (BCD), so each byte is post-processed with (byte & 0xF) + (10 * (byte >> 4)). Byte 0 encodes seconds, byte 1 minutes, byte 2 hours, byte *4* days, byte 5 months and byte 6 years (byte 3 is unused?)
| RTC time (system clock). 7 bytes are read from this. The upper nibble of each byte encodes 10s (BCD), so each byte is post-processed with (byte & 0xF) + (10 * (byte >> 4)). Byte 0 encodes seconds, byte 1 minutes, byte 2 hours, byte 3 is either the current day of the week or current week of month (not used by anything though), byte 4 days, byte 5 months and byte 6 years
|-
|-
| 0x38
| 0x37
| s
| s
| rw
| rw
| ?
| ?
|-
|-
| 0x39
| 0x38
- 0x3C
| s
| s
| rw
| rw
| ?
| RTC alarm registers
|-
|-
| 0x3D
| 0x3D