Changes
RTC
,/* RTC Registers */
{| class="wikitable" style="text-align:center;"
|-
! ADDRESS rowspan="2" | Register !! BIT 7 colspan="8" | Bit Position !! BIT 6 rowspan="2" | Function !! BIT rowspan="2" | Range|-! 7 || 6 || 5 !! BIT || 4 !! BIT || 3 !! BIT || 2 !! BIT || 1 !! BIT || 0 !! FUNCTION !! RANGE
|-
| 00H || 0 || colspan="3" | 10 Seconds || colspan="4" | Seconds || Seconds || 00–59
| 03H || 0 || colspan="3" | 10 Minutes || colspan="4" | Minutes || Minutes Alarm || 00–59
|-
| rowspan="2" | 04H || AM/PM || rowspan="2" | 0 || 0 || 10 Hours || colspan="4" | Hours || rowspan="2" | Hours || 1–12 +AM/PM<br>00–23
|-
| 0 || colspan="2" | 10 Hours || colspan="4" | Hours || 00–23|-| rowspan="2" | 05H || AM/PM || rowspan="2" | 0 || 0 || 10 Hours || colspan="4" | Hours || rowspan="2" | Hours Alarm || 1–12 +AM/PM<br>|-| 0 || colspan="2" | 10 Hours || colspan="4" | Hours || 00–23
|-
| 06H || 0 || 0 || 0 || 0 || 0 || colspan="3" | Day || Day || 01–07
{| class="wikitable" style="text-align:center;"
|-
! ADDRESS rowspan="2" | Register !! BIT 7 colspan="8" | Bit Position !! BIT 6 rowspan="2" | Function !! BIT rowspan="2" | Range|-! 7 || 6 || 5 !! BIT || 4 !! BIT || 3 !! BIT || 2 !! BIT || 1 !! BIT || 0 !! FUNCTION !! RANGE
|-
| 00H || 0 || 0 || colspan="6" | Seconds || Seconds || 00–3B
| 03H || 0 || 0 || colspan="6" | Minutes || Minutes Alarm || 00–3B
|-
| rowspan="2" | 04H || AM/PM || rowspan="2" | 0 || rowspan="2" | 0 || 0 || colspan="4" | Hours || rowspan="2" | Hours || rowspan="2" | 01–0C +AM/PM<br>00–17
|-
| 0 || colspan="5" | Hours|| 00–17
|-
| rowspan="2" | 05H || AM/PM || rowspan="2" | 0 || rowspan="2" | 0 || 0 || colspan="4" | Hours || rowspan="2" | Hours Alarm || rowspan="2" | 01–0C +AM/PM<br>00–17
|-
| 0 || colspan="5" | Hours|| 00–17
|-
| 06H || 0 || 0 || 0 || 0 || 0 || colspan="3" | Day || Day || 01–07
| 08H || 0 || 0 || 0 || 0 || colspan="4" | Month || Month || 01–0C
|-
| 09H || 0 || colspan="87" | Year || Year || 00–63
|}
