参数资料
型号: CDP68HC68T1E
厂商: Intersil
文件页数: 4/23页
文件大小: 0K
描述: IC RTC 32X8 NVSRAM CMOS 16-DIP
标准包装: 25
类型: 时钟/日历
特点: 警报器,闰年,方波输出,监视计时器
存储容量: 32B
时间格式: HH:MM:SS(12/24 小时)
数据格式: YY-MM-DD-dd
接口: SPI
电源电压: 3 V ~ 6 V
电压 - 电源,电池: 2.2 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-PDIP
包装: 管件
产品目录页面: 1236 (CN2011-ZH PDF)
12
FN1547.8
October 29, 2007
Alarm
The output of the alarm comparator is enabled when this bit
is set high. When a comparison occurs between the
seconds, minutes and hours time and alarm counters, the
interrupt output is activated. When loading the time counters,
this bit should be set low to avoid a false interrupt. This is not
required when loading the alarm counters. See "Functional
Description", INT for explanation of alarm delay on page 10.
Periodic Select
The value in these 4 bits will select the frequency of the
periodic output. (See Table 3).
CLOCK CONTROL REGISTER (Write/Read) - Address 31H
D7
D6
D5
D4
D3
D2
D1
D0
START
LINE
XTAL
50Hz
CLK OUT
SEL
STOP
XTAL
10
60Hz
210
INTERRUPT CONTROL REGISTER (Write/Read) - Address 32H
D7
D6
D5
D4
D3
D2
D1
D0
WATCHDOG
POWER
DOWN
POWER
SENSE
ALARM
PERIODIC SELECT
NOTE: All bits are reset by power-on reset.
TABLE 3. PERIODIC INTERRUPT OUTPUT
D0 - D3 VALUE
PERIODIC INTERRUPT
OUTPUT FREQUENCY
FREQUENCY TIME BASE
XTAL
LINE
0
Disable
1
2048Hz
X
2
1024Hz
X
3
512Hz
X
4
256Hz
X
5
128Hz
X
6
64Hz
X
50Hz or 60Hz
X
7
32Hz
X
8
16Hz
X
98Hz
X
10
4Hz
X
11
2Hz
X
12
1Hz
X
13
Minute
X
14
Hour
X
15
Day
X
CDP68HC68T1
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CDP68HC68T1EZ 功能描述:实时时钟 W/ANNEAL PERIPH SPIA L-TIME-CLK IND 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
CDP68HC68T1M 功能描述:实时时钟 PERIPH SPIAL-TIME- CLK 20W IND 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
CDP68HC68T1M2 功能描述:实时时钟 PERIPH SPIAL-TIME- CLK 16W IND 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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CDP68HC68T1M296S2357 制造商:Rochester Electronics LLC 功能描述:- Bulk