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参数资料
| 型号： | RTC-72421A |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP18 |
| 封装： | DIP-18 |
| 文件页数： | 11/26页 |
| 文件大小： | 192K |
| 代理商： | RTC-72421A |
RTC - 72421 / 72423
Page - 15
MQ162-04
(A)Starting the count
START
Set the CF register
Reg.F
TEST
24/12
STOP
RESET
Reg.D
30 s ADJ
IRQ FLAG
HOLD
To next process
0
0 or 1
0*00B
This setting is not necessary when
the STD.P pin is not used
0
0 or 1
0*00B
←
Set the IRQ FLAG bit to 0 when fixed-period
interrupt mode is used, or to 1when it is not
used.
Set the CE register
Set the CD register
(B)Checking the status of the BUSY bit
START
To next process
HOLD bit
← 1
Read the BUSY bit
BUSY bit=0?
NO
YES
HOLD bit
← 0
(C)Stopping and resetting the counter
START
To next process
Set the CF register
Reg.F
TEST
24/12
STOP
RESET
1
0
0 or 1
0*11B
←
相关PDF资料 |
PDF描述 |
|---|---|
| RTC-72421B | 0 TIMER(S), REAL TIME CLOCK, PDIP18 |
| RTC-72423A-0 | 0 TIMER(S), REAL TIME CLOCK, PDSO24 |
| RTC-72423B-0 | REAL TIME CLOCK, PDSO24 |
| RTC-72423A-0 | 0 TIMER(S), REAL TIME CLOCK, PDSO24 |
| RTC-72423B-0 | REAL TIME CLOCK, PDSO24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| RTC72421AROHS | 制造商:Epson Electronics America Inc 功能描述:Real Time Clock Parallel 18-Pin PDIP |
| RTC72421B | 制造商:Epson Toyocom Corporation 功能描述:IC RTC 72421 DIP18 制造商:Epson Toyocom Corporation 功能描述:IC, RTC, 72421, DIP18 制造商:Epson Toyocom Corporation 功能描述:IC, RTC; Clock Format:12Hr / 24Hr; Clock IC Type:RTC; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Digital IC Case Style:DIP; No. of Pins:18; Operating Temperature Min:-40C; Operating Temperature Max:85C; Package / Case:18-DIP;RoHS Compliant: Yes |
| RTC-72421B | 功能描述:IC REAL TIME CLOCK 18-DIP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 实时时钟 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 类型:时钟/日历 特点:警报器，闰年，SRAM 存储容量:- 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:2 V ~ 5.5 V 电压 - 电源，电池:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN EP 包装:管件 |
| RTC-72421B PURE SN | 制造商:Epson Electronics America Inc 功能描述:REAL TIME CLOCK MODULE 4-BIT |
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