PCF2127AT/1 NXP [NXP Semiconductors], PCF2127AT/1 Datasheet - Page 40

• Manufacturer Part Number: PCF2127AT/1
• Description: Integrated RTC, TCXO and quartz crystal
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF2127A_2
Product data sheet
Table 40.
The following tables show what instruction must be sent to clear the appropriate flag.
Table 41.
[1]
Table 42.
[1]
Table 43.
[1]
Table 44.
[1]
Register
Control_2
Register
Control_2
Register
Control_2
Register
Control_2
Register
Control_2
The bits labeled as - have to be rewritten with the previous values.
The bits labeled as - have to be rewritten with the previous values.
The bits labeled as - have to be rewritten with the previous values.
The bits labeled as - have to be rewritten with the previous values.
Example values in register Control_2
Example to clear only CDTF (bit 3) in register Control_2
Example to clear only AF (bit 4) in register Control_2
Example to clear only MSF (bit 7) in register Control_2
Example to clear both CDTF and MSF in register Control_2
All information provided in this document is subject to legal disclaimers.
Bit
7
1
Bit
7
1
Bit
7
1
Bit
7
0
Bit
7
0
Rev. 02 — 7 May 2010
6
0
6
0
6
0
6
0
6
0
5
1
5
1
5
1
5
1
5
1
4
1
4
1
4
0
4
1
4
1
Integrated RTC, TCXO and quartz crystal
3
1
3
0
3
1
3
1
3
0
2
0
2
-
2
0
2
0
2
0
[1]
[1]
[1]
[1]
PCF2127A
© NXP B.V. 2010. All rights reserved.
1
0
1
-
1
0
1
0
1
0
[1]
[1]
[1]
[1]
0
0
0
-
0
0
0
0
0
0
[1]
[1]
[1]
[1]
40 of 80