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PCF8564A 数据表(PDF) 42 Page - NXP Semiconductors

部件名 PCF8564A
功能描述  Nano-power highly accurate RTC with integrated quartz crystal for automotive applications
PDF  86 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) 42 Page - NXP Semiconductors

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NXP Semiconductors
PCA2131
Nano-power highly accurate RTC with integrated quartz crystal for automotive applications
7.12.3.2 Register Sec_timestp
Bits labeled as T are unused and return 0 when read
Bit
7
6
5
4
3
2
1
0
Symbol
T
SECOND_TIMESTP (0 to 59)
Reset
value
0
0
0
0
0
0
0
0
Table 66. Sec_timestp1/2/3/4 - second timestamp register (address 15h/1Ch/23h/2Ah) bit allocation
Bits labeled as T are unused and return 0 when read
Bit
Symbol
Value
Place value Description
7
T
0
-
unused
6 to 4
0 to 5
ten’s place
3 to 0
SECOND_TIMESTP
0 to 9
unit place
second timestamp information coded in BCD format
Table 67. Sec_timestp1/2/3/4 - second timestamp register (address 15h/1Ch/23h/2Ah) bit description
7.12.3.3 Register Min_timestp
Bits labeled as T are unused and return 0 when read.
Bit
7
6
5
4
3
2
1
0
Symbol
T
MINUTE_TIMESTP (0 to 59)
Reset
value
0
0
0
0
0
0
0
0
Table 68. Min_timestp1/2/3/4 - minute timestamp register (address 16h/1Dh/24h/2Bh) bit allocation
Bits labeled as T are unused and return 0 when read.
Bit
Symbol
Value
Place value Description
7
T
0
-
unused
6 to 4
0 to 5
ten’s place
3 to 0
MINUTE_TIMESTP
0 to 9
unit place
minute timestamp information coded in BCD format
Table 69. Min_timestp1/2/3/4 - minute timestamp register (address 16h/1Dh/24h/2Bh) bit description
7.12.3.4 Register Hour_timestp
Bits labeled as T are unused and return 0 when read.
Bit
7
6
5
4
3
2
1
0
AMPM
HOUR_TIMESTP (1 to 12) in 12-hour mode
Symbol
T
T
HOUR_TIMESTP (0 to 23) in 24-hour mode
Reset
value
0
0
0
0
0
0
0
0
Table 70. Hour_timestp1/2/3/4 - hour timestamp register (address 17h/1Eh/25h/2Ch) bit allocation
PCA2131
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 1.0 — 26 July 2021
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