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PCF8564A 数据表(PDF) 27 Page - NXP Semiconductors

部件名 PCF8564A
功能描述  Tiny Real-Time Clock/calendar with alarm function and I2C-bus
PDF  65 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF8564A 数据表(HTML) 27 Page - NXP Semiconductors

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PCF85063A
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 7 — 30 March 2018
27 of 65
NXP Semiconductors
PCF85063A
Tiny Real-Time Clock/calendar with alarm function and I2C-bus
8.5.2 Register Minute_alarm
[1]
Default value.
8.5.3 Register Hour_alarm
[1]
Default value.
[2]
Hour mode is set by the 12_24 bit in register Control_1.
8.5.4 Register Day_alarm
[1]
Default value.
Table 30.
Minute_alarm - minute alarm register (address 0Ch) bit description
Bit
Symbol
Value
Place value Description
7
AEN_M
minute alarm
0
-
enabled
1[1]
-
disabled
6 to 4
MINUTE_ALARM
0[1] to 5
ten’s place
minute alarm information coded
in BCD format
3 to 0
0[1] to 9
unit place
Table 31.
Hour_alarm - hour alarm register (address 0Dh) bit description
Bit
Symbol
Value
Place value Description
7
AEN_H
hour alarm
0
-
enabled
1[1]
-
disabled
6
-
0
-
unused
12-hour mode[2]
5AMPM
AM/PM indicator
0[1]
-AM
1-
PM
4
HOUR_ALARM
0[1] to 1
ten’s place
hour alarm information in
12-hour mode coded in BCD
format
3to0
0[1] to 9
unit place
24-hour mode[2]
5 to 4
HOUR_ALARM
0[1] to 2
ten’s place
hour alarm information in
24-hour mode coded in BCD
format
3to0
0[1] to 9
unit place
Table 32.
Day_alarm - day alarm register (address 0Eh) bit description
Bit
Symbol
Value
Place value Description
7
AEN_D
day alarm
0
-
enabled
1[1]
-
disabled
6
-
0
-
unused
5 to 4
DAY_ALARM
0[1] to 3
ten’s place
day alarm information coded in
BCD format
3 to 0
0[1] to 9
unit place



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