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參數(shù)資料
| 型號(hào)： | PCA8565 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Real time clock/calender |
| 中文描述： | 實(shí)時(shí)時(shí)鐘/ calender |
| 文件頁數(shù)： | 9/26頁 |
| 文件大小： | 581K |
| 代理商： | PCA8565 |
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Philips Semiconductors
PCA8565
Real time clock/calender
Product data
Rev. 01 — 31 March 2003
9 of 26
9397 750 10695
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
8.6.5
CLOCKOUT control register
8.6.6
Countdown timer
The timer register is an 8-bit binary countdown timer. It is enabled and disabled via
the timer control register bit TE. The source clock for the timer is also selected by the
timer control register. Other timer properties such as interrupt generation are
controlled via control/status 2 register.
Table 18:
Bit
7
Minute alarm (address 09H) bits description
Symbol
Value
AE
0
1
alarm minutes
00 to 59
Description
minute alarm is enabled
minute alarm is disabled
this register holds the minute alarm information coded in BCD format
6 to 0
Table 19:
Bit
7
Hour alarm (address 0AH) bits description
Symbol
Value
AE
0
1
alarm hours
00 to 23
Description
hour alarm is enabled
hour alarm is disabled
this register holds the hour alarm information coded in BCD format
5 to 0
Table 20:
Bit
7
Day alarm (address 0BH) bits description
Symbol
Value
AE
0
1
alarm days
01 to 31
Description
day alarm is enabled
day alarm is disabled
this register holds the day alarm information coded in BCD format
5 to 0
Table 21:
Bit
7
Weekday alarm (address 0CH) bits description
Symbol
Value
AE
0
1
alarm
weekdays
Description
weekday alarm is enabled
weekday alarm is disabled
this register holds the weekday alarm information coded in BCD format
2 to 0
0 to 6
Table 22:
Bit
7
CLKOUT control (address 0DH) bits description
Symbol
Value
FE
0
1
FD1 and
FD0
Description
the CLKOUT output is inhibited and CLKOUT output is set to high-impedance
the CLKOUT output is activated
these bits control the frequency output at pin CLKOUT, see
Table 23
1 to 0
Table 23:
FD1
0
0
1
1
FD1 and FD0: CLKOUT frequency selection
FD0
0
1
0
1
CLKOUT frequency
32.768 kHz
1024 Hz
32 Hz
1 Hz
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| PCA8581CP | 128 x 8-bit EEPROM with I2C-bus interface |
| PCA8581CT | 128 x 8-bit EEPROM with I2C-bus interface |
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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(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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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