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PCF8564A 数据表(PDF) 13 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) 13 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
13 of 65
NXP Semiconductors
PCF85063A
Tiny Real-Time Clock/calendar with alarm function and I2C-bus
The PCF85063A resets to:
Time — 00:00:00
Date — 20000101
Weekday — Saturday
8.2.2 Register Control_2
[1]
Default value.
0Fh
Weekday_alarm
10000000
10h
Timer_value
00000000
11h
Timer_mode
00011000
Table 8.
Registers reset values …continued
Address
Register name
Bit
7
6
5
4
3
2
1
0
Table 9.
Control_2 - control and status register 2 (address 01h) bit description
Bit
Symbol
Value
Description
Reference
7AIE
alarm interrupt
Section 8.2.2.1
Section 8.5.6
0[1]
disabled
1
enabled
6AF
alarm flag
Section 8.2.2.1
Section 8.5.6
0[1]
read: alarm flag inactive
write: alarm flag is cleared
1
read: alarm flag active
write: alarm flag remains unchanged
5MI
minute interrupt
Section 8.2.2.2
Section 8.2.2.3
0[1]
disabled
1
enabled
4HMI
half minute interrupt
Section 8.2.2.2
Section 8.2.2.3
0[1]
disabled
1
enabled
3TF
timer flag
Section 8.2.2.1
Section 8.2.2.3
Section 8.6.3
0[1]
no timer interrupt generated
1
flag set when timer interrupt generated
2 to 0
COF[2:0]
see Table 11
CLKOUT control
Section 8.2.2.4



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