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PCF8564A 数据表(PDF) 5 Page - NXP Semiconductors

部件名 PCF8564A
功能描述  Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus
PDF  59 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) 5 Page - NXP Semiconductors

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8.1 Registers organization
Table 5.
Registers overview
Bit positions labeled as - are not implemented. After reset, all registers are set according to Table 8 on page 10.
Address
Register name
Bit
Reference
7
6
5
4
3
2
1
0
Control and status registers
00h
Control_1
EXT_TEST
-
STOP
SR
-
CIE
12_24
CAP_SEL
Section 8.2.1
01h
Control_2
AIE
AF
MI
HMI
TF
COF[2:0]
Section 8.2.2
02h
Offset
MODE
OFFSET[6:0]
Section 8.2.3
03h
RAM_byte
B[7:0]
Section 8.2.4
Time and date registers
04h
Seconds
OS
SECONDS (0 to 59)
Section 8.3.1
05h
Minutes
-
MINUTES (0 to 59)
Section 8.3.2
06h
Hours
-
-
AMPM
HOURS (1 to 12) in 12-hour mode
Section 8.3.3
HOURS (0 to 23) in 24-hour mode
07h
Days
-
-
DAYS (1 to 31)
Section 8.3.4
08h
Weekdays
-
-
-
-
-
WEEKDAYS (0 to 6)
Section 8.3.5
09h
Months
-
-
-
MONTHS (1 to 12)
Section 8.3.6
0Ah
Years
YEARS (0 to 99)
Section 8.3.7
Alarm registers
0Bh
Second_alarm
AEN_S
SECOND_ALARM (0 to 59)
Section 8.5.1
0Ch
Minute_alarm
AEN_M
MINUTE_ALARM (0 to 59)
Section 8.5.2
0Dh
Hour_alarm
AEN_H
-
AMPM
HOUR_ALARM (1 to 12) in 12-hour mode
Section 8.5.3
HOUR_ALARM (0 to 23) in 24-hour mode
0Eh
Day_alarm
AEN_D
-
DAY_ALARM (1 to 31)
Section 8.5.4
0Fh
Weekday_alarm
AEN_W
-
-
-
-
WEEKDAY_ALARM (0 to 6)
Section 8.5.5
Timer registers
10h
Timer_value
T[7:0]
Section 8.6.1
11h
Timer_mode
-
-
-
TCF[1:0]
TE
TIE
TI_TP
Section 8.6.2



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