PCF2127 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF2127' PDF : 101 Pages View PDF
NXP Semiconductors
PCF2127
Accurate RTC with integrated quartz crystal for industrial applications
8.9.6 Register Months
Table 39. Months - months register (address 08h) bit allocation
Bit positions labeled as - are not implemented and return 0 when read. Bits labeled as X are undefined at power-on and
unchanged by subsequent resets.
Bit
7
6
5
4
3
2
1
0
Symbol
-
-
-
MONTHS (1 to 12)
Reset
-
-
-
X
X
X
X
X
value
Table 40. Months - months register (address 08h) bit description
Bit positions labeled as - are not implemented and return 0 when read. Bits labeled as X are undefined at power-on and
unchanged by subsequent resets.
Bit
Symbol
Value
Place value Description
7 to 5
-
-
-
unused
4
MONTHS
0 to 1
ten’s place actual month coded in BCD format, see Table 41
3 to 0
0 to 9
unit place
Table 41. Month assignments in BCD format
Month
Upper-digit Digit (unit place)
(ten’s place)
Bit 4
Bit 3
Bit 2
January
0
0
0
February
0
0
0
March
0
0
0
April
0
0
1
May
0
0
1
June
0
0
1
July
0
0
1
August
0
1
0
September 0
1
0
October
1
0
0
November
1
0
0
December
1
0
0
Bit 1
0
1
1
0
0
1
1
0
0
0
0
1
Bit 0
1
0
1
0
1
0
1
0
1
0
1
0
PCF2127
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 19 December 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
34 of 100
Share Link: 
