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參數(shù)資料
| 型號： | PCA8565 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Real time clock/calender |
| 中文描述： | 實時時鐘/ calender |
| 文件頁數(shù)： | 7/26頁 |
| 文件大?。?/td> | 581K |
| 代理商： | PCA8565 |
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Philips Semiconductors
PCA8565
Real time clock/calender
Product data
Rev. 01 — 31 March 2003
7 of 26
9397 750 10695
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
[1]
[2]
TF and INT become active simultaneously.
n = loaded countdown value. Timer stopped when n = 0.
8.6.3
Time and date registers
[1]
The PCA8565 compensates for leap years by adding a 29th day to February if the year counter contains a value which is exactly
divisible by 4, including the year 00.
[1]
These bits may be re-assigned by the user.
Table 8:
Source clock (Hz)
INT operation (bit TI/TP = 1)
INT period (s)
[2]
n = 1
[1]
n > 1
4096
64
1
1
8192
1
128
1
64
1
64
1
4096
1
64
1
64
1
64
1
60
Table 9:
Bit
7
Seconds/VL (address 02H) bits description
Symbol
Value
VL
0
1
seconds
00 to 59
Description
clock integrity is guaranteed
integrity of the clock information is no longer guaranteed
this register holds the current seconds coded in BCD format; example: seconds
register contains x101 1001 = 59 seconds
6 to 0
Table 10:
Bit
6 to 0
Minutes (address 03H) bits description
Symbol
Value
minutes
00 to 59
Description
this register holds the current minutes coded in BCD format
Table 11:
Bit
5 to 0
Hours (address 04H) bits description
Symbol
Value
hours
00 to 23
Description
this register holds the current hours coded in BCD format
Table 12:
Bit
5 to 0
Days (address 05H) bits description
Symbol
Value
days
[1]
01 to 31
Description
this register holds the current day coded in BCD format
Table 13:
Bit
2 to 0
Weekdays (address 06H) bits description
Symbol
Value
weekdays
[1]
0 to 6
Description
this register holds the current weekday coded in BCD format, see
Table 14
Table 14:
Day
Sunday
Monday
Tuesday
Wednesday
Weekday assignments
Bit 7
x
x
x
x
Bit 6
x
x
x
x
Bit 5
x
x
x
x
Bit 4
x
x
x
x
Bit 3
x
x
x
x
Bit 2
0
0
0
0
Bit 1
0
0
1
1
Bit 0
0
1
0
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCA8581C | 128 x 8-bit EEPROM with I2C-bus interface |
| PCA8581CP | 128 x 8-bit EEPROM with I2C-bus interface |
| PCA8581CT | 128 x 8-bit EEPROM with I2C-bus interface |
| PCA8581P | 128 x 8-bit EEPROM with I2C-bus interface |
| PCA8581T | 128 x 8-bit EEPROM with I2C-bus interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA8565BS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Real time clock/calendar |
| PCA8565BS/1,118 | 功能描述:實時時鐘 AUTOMOTIVE CLOCK/CAL RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| PCA8565BS/1-T | 功能描述:實時時鐘 AUTOMOTIVE CLOCK/CAL RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| PCA8565TS | 制造商:PHIL 功能描述: |
| PCA8565TS/1,118 | 功能描述:實時時鐘 CMOS RTC/CALENDAR RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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