PCF2129T View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF2129T' PDF : 73 Pages View PDF
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Table 5. Register overview …continued
Bit positions labeled as - are not implemented and will return 0 when read. Bits labeled as T must always be written with logic 0. Bits labeled as X are undefined at
power-on and unchanged by subsequent resets.
Address Register name Bit
Reset value Reference
7
6
5
4
3
2
1
0
13h
Sec_timestp
-
SECOND_TIMESTP (0 to 59)
- XXX XXXX Table 39 on page 36
14h
Min_timestp
-
MINUTE_TIMESTP (0 to 59)
- XXX XXXX Table 40 on page 36
15h
Hour_timestp
-
-
AMPM HOUR_TIMESTP (1 to 12) in 12 h mode
- - XX XXXX Table 41 on page 37
HOUR_TIMESTP (0 to 23) in 24 h mode
- - XX XXXX
16h
Day_timestp
-
-
DAY_TIMESTP (1 to 31)
- - XX XXXX Table 42 on page 37
17h
Mon_timestp
-
-
-
MONTH_TIMESTP (1 to 12)
- - - X XXXX Table 43 on page 37
18h
Year_timestp
YEAR_TIMESTP (0 to 99)
XXXX XXXX Table 44 on page 37
Aging offset register
19h
Aging_offset
-
-
-
-
AO[3:0]
- - - - 1000 Table 12 on page 14
Internal registers
1Ah
Internal_reg
-
-
-
-
-
-
-
-
---- ----
-
1Bh
Internal_reg
-
-
-
-
-
-
-
-
---- ----
-
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