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参数资料
| 型号： | PCF8563TD-T |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | XO, clock |
| 英文描述： | Real-time clock/calendar |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封装： | 3.90 MM, PLASTIC, SO-8 |
| 文件页数： | 2/32页 |
| 文件大小： | 711K |
| 代理商： | PCF8563TD-T |
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Philips Semiconductors
PCF8563
Real-time clock/calendar
Product specication
16 April 1999
10 of 30
9397 750 04855
Philips Electronics N.V. 1999. All rights reserved.
8.6.5
Alarm registers
When one or more of the alarm registers are loaded with a valid minute, hour, day or
weekday and its corresponding AE (Alarm Enable) bit is a logic 0, then that
information will be compared with the current minute, hour, day and weekday. When
all enabled comparisons rst match, the bit AF (Alarm Flag) is set.
AF will remain set until cleared by software. Once AF has been cleared it will only be
set again when the time increments to match the alarm condition once more. Alarm
registers which have their AE bit set at logic 1 will be ignored.
Table 19: Minute alarm register bits description (address 09H)
Bit
Symbol
Description
7
AE
AE = 0; minute alarm is enabled. AE = 1; minute alarm is disabled.
6 to 0 <minute alarm>
These bits represents the minute alarm information coded in BCD
format; value = 00 to 59.
Table 20: Hour alarm register bits description (address 0AH)
Bit
Symbol
Description
7
AE
AE = 0; hour alarm is enabled. AE = 1; hour alarm is disabled.
6 to 0 <hour alarm>
These bits represents the hour alarm information coded in BCD
format; value = 00 to 23.
Table 21: Day alarm register bits description (address 0BH)
Bit
Symbol
Description
7
AE
AE = 0; day alarm is enabled. AE = 1; day alarm is disabled.
6 to 0 <day alarm>
These bits represents the day alarm information coded in BCD
format; value = 01 to 31.
Table 22: Weekday alarm register bits description (address 0CH)
Bit
Symbol
Description
7
AE
AE = 0; weekday alarm is enabled.
AE = 1; weekday alarm is disabled.
6 to 0 <weekday alarm>
These bits represents the weekday alarm information
value0to6.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCF8563T-F4 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Real-time clock/calendar |
| PCF8563TF4.118 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Real-time clock/calendar |
| PCF8563TS | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Real-time clock/calendar |
| PCF8563TS/4 | 制造商:NXP Semiconductors 功能描述:RTC/Calender,1.8-5.5V,PCF8563TS/4 |
| PCF8563TS/4,118 | 功能描述:实时时钟 ULTRA LOW PWR CLOCK CALENDAR RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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