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参数资料
| 型号： | RTC-7301SFB |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO24 |
| 封装： | SSOP-24 |
| 文件页数： | 22/28页 |
| 文件大小： | 274K |
| 代理商： | RTC-7301SFB |
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RTC - 7301 SF / DG
CONTENTS
1. Overview...................................................................................................................1
2. Block diagram.........................................................................................................1
3. Terminal connections ..........................................................................................2
4. Terminal functions ................................................................................................2
5. Characteristics .......................................................................................................3
5-1. Absolute maximum ratings ....................................................................................................3
5-2. Recommended operating conditions..................................................................................3
5-3. Oscillating characteristics ......................................................................................................3
5-4. DC characteristics ....................................................................................................................3
5-5. Pin capacity characteristics...................................................................................................4
5-6. Temperature sensor characteristics...................................................................................5
5-7. AC characteristics ....................................................................................................................6
6. Registers ..................................................................................................................7
6-1. Register table.............................................................................................................................7
6-2. Register description .................................................................................................................8
6-2-1. Clock and calendar registers ( Bank0, Reg-0 to Reg-E )...................................................8
6-2-2. Alarm register
( Bank1 Reg-0 to Reg-8 and Reg-E ).......................................................8
6-2-3. CS1 control registers ( Bank1, Reg-B )..............................................................................9
6-2-4. FOUT frequency setting registers ( Bank1, Reg-C and D )..............................................10
6-2-5. Timer register ( Bank2, Reg-4 to Reg-8 and Reg-E ) ......................................................10
6-2-6. Digital offset registers ( Bank2 Reg-0,1 ) .........................................................................12
6-2-7. Control registers (Common to each Bank Reg-E and Reg-F ) ........................................13
6-2-8. Alarm interrupt .................................................................................................................14
6-2-9. Timer interrupt..................................................................................................................15
6-2-10. How to verify the digital offset ........................................................................................15
6-2-11. Timing of output signal...................................................................................................16
7. How to use.............................................................................................................17
7-1. Procedures for initially turning ON the power
*1 (initial settings)...............................17
7-2. Procedures for recovery from the backup ......................................................................17
7-3. Writing to the clock and calendar (setting the current time) .....................................18
7-4. Reading out the clock and calendar .................................................................................18
7-4-1. Reading out using the Busy bit check..............................................................................18
7-4-2. Read-out using an interrupt .............................................................................................19
7-5. 30 second adjust
*2
.................................................................................................................20
8. Shifting to backup and recovering ................................................................21
9. External connection example .........................................................................21
10. External diagram...............................................................................................22
11. Marking layout ...................................................................................................22
12. Reference data..................................................................................................23
13. Application notes ..............................................................................................24
13-1. Notes on handling ................................................................................................................24
13-2. Notes on packaging ............................................................................................................24
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相关代理商/技术参数 |
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| RTC-840 | 制造商:AAEON 制造商全称:AAEON 功能描述:Intel?? Corea?￠ Duo U2500 1.2 GHz Processor |
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| RTC-8564JE | 制造商:Epson Toyocom Corporation 功能描述:32.768kHz 275nA@3ViTyp.j 3.0V (typ.) 7.0~5.4~1.5mm +85 -40 5}23ppm@+25/3.0V 7mm 5.4mm 1.5mm 制造商:Epson Toyocom Corporation 功能描述:RTC I2C BUS INTERFACE SMD VSOJ-20 制造商:Epson Toyocom Corporation 功能描述:RTC I2C BUS INTERFACE, SMD, VSOJ-20 制造商:Epson Toyocom Corporation 功能描述:IC, RTC, FULL CALENDAR, VSOJ-20; Clock Format:12Hr / 24Hr; Clock IC Type:RTC; Supply Voltage Min:1.8V; Supply Voltage Max:5.5V; Digital IC Case Style:VSOJ; No. of Pins:20; IC Interface Type:I2C; Operating Temperature Min:-40C ;RoHS Compliant: Yes 制造商:Epson Toyocom 功能描述:RTC module,I2C Bus,Alarm,timer func |
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