Rainbow-electronics AT73C246 Instrukcja Użytkownika Pobierz pdf (Strona 44)

11050A–PMAAC–07-Apr-10

AT73C246

11.10.4 RTC Time Register

Name: RTC_TIMR

Access: Read-write

Address: 0x08

• SEC: Current Second

The range that can be set is 0 - 59 (BCD).

The lowest four bits encode the units. The higher bits encode the tens.

• MIN: Current Minute

The range that can be set is 0 - 59 (BCD).

The lowest four bits encode the units. The higher bits encode the tens.

• HOUR: Current Hour

The range that can be set is 1 - 12 (BCD) in 12-hour mode or 0 - 23 (BCD) in 24-hour mode.

• AMPM: Ante Meridiem Post Meridiem Indicator

This bit is the AM/PM indicator in 12-hour mode.

0 = AM.

1 = PM.

All non-significant bits read zero.

31 30 29 28 27 26 25 24

––––––––

23 22 21 20 19 18 17 16

–AMPM HOUR

15 14 13 12 11 10 9 8

–MIN

76543210

–SEC

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 158 159

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Rainbow-electronics AT73C246 Instrukcja Użytkownika Strona 44