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PCF85063ATL/1 数据表(PDF) 18 Page - NXP Semiconductors

部件名 PCF85063ATL/1
功能描述  Tiny Real-Time Clock/calendar with alarm function and I2C-bus
PDF  55 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF85063ATL/1 数据表(HTML) 18 Page - NXP Semiconductors

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NXP Semiconductors
PCF85063A
Tiny Real-Time Clock/calendar with alarm function and I2C-bus
7.2.4 Register RAM_byte
The PCF85063A provides a free RAM byte, which can be used for any purpose, for example, status byte of the
system.
Bit
Symbol
Value
Description
7 to 0
B[7:0]
0000 0000[1] to
1111 1111
RAM content
Table 17. RAM_byte - 8-bit RAM register (address 03h) bit description
[1]
Default value.
7.3 Time and date registers
Most of the registers are coded in the BCD format to simplify application use.
7.3.1 Register Seconds
Bit
Symbol
Value
Place value
Description
oscillator stop
0
-
clock integrity is guaranteed
7
OS
1[1]
-
clock integrity is not guaranteed;
oscillator has stopped or has been
interrupted
6 to 4
0[1] to 5
ten’s place
3 to 0
SECONDS
0[1] to 9
unit place
actual seconds coded in BCD format, see
Table 19
Table 18. Seconds - seconds register (address 04h) bit description
[1]
Default value.
Upper-digit (ten’s place)
Digit (unit place)
Seconds value in
decimal
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
00[1]
0
0
0
0
0
0
0
01
0
0
0
0
0
0
1
02
0
0
0
0
0
1
0
:
:
:
:
:
:
:
:
09
0
0
0
1
0
0
1
10
0
0
1
0
0
0
0
:
:
:
:
:
:
:
:
58
1
0
1
1
0
0
0
59
1
0
1
1
0
0
1
Table 19. Seconds coded in BCD format
[1]
Default value.
PCF85063A
All information provided in this document is subject to legal disclaimers.
© 2023 NXP B.V. All rights reserved.
Product data sheet
Rev. 7.1 — 8 November 2023
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