- 您現在的位置：買賣IC網 > PDF目錄384875 > R2033K (Ricoh Co., Ltd.) 3 wire interface Real-Time Clock ICs PDF資料下載
參數資料
| 型號： | R2033K |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | 3 wire interface Real-Time Clock ICs |
| 中文描述： | 3線接口實時時鐘芯片 |
| 文件頁數： | 1/50頁 |
| 文件大小： | 542K |
| 代理商： | R2033K |
當前第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁
R2033K /T
3 wire interface Real-Time Clock ICs
NO.EA-120-070221
1
OUTLINE
The R2033K/T is a CMOS real-time clock IC connected to the CPU by three signal lines, CE, SCLK, SIO, and
configured to perform serial transmission of time and calendar data to the CPU. The periodic interrupt circuit is
configured to generate interrupt signals with six selectable interrupts ranging from 0.5 seconds to 1 month. The
2 alarm interrupt circuits generate interrupt signals at preset times. As the oscillation circuit is driven under
constant voltage, fluctuation of the oscillator frequency due to supply voltage is small, and the time keeping
current is small (TYP. 0.45
μ
A at 3V). The oscillation halt sensing circuit can be used to judge the validity of
internal data in such events as power-on; The supply voltage monitoring circuit is configured to record a drop in
supply voltage below two selectable supply voltage monitoring threshold settings. The 32.768kHz clock output
function (CMOS output with control pin) is intended to output sub-clock pulses for the external microcomputer.
The oscillation adjustment circuit is intended to adjust time counts with high precision by correcting deviations in
the oscillation frequency of the crystal oscillator. Since the package for these ICs are TSSOP10G (4.0x2.9x1.0:
R2033T) or FFP12 (2.0x2.0x1.0: R2033K), high density mounting of ICs on boards is possible.
FEATURES
Minimum Timekeeping supply voltage TYP:0.66 to 5.5v (Worst: 1.00V to 5.5v); VDD pin
Low power consumption
0.45
μ
A TYP at VDD=3V (1.00
μ
A MAX.)
Three signal lines (CE, SCLK, SIO) required for connection to the CPU.
(Maximum clock frequency of 1MHz (with V
DD
= 3V) )
Time counters (counting hours, minutes, and seconds) and calendar counters (counting years, months, days,
and weeks) (in BCD format)
Interrupt circuit configured to generate interrupt signals (with interrupts ranging from 0.5 seconds to 1 month)
to the CPU and provided with an interrupt flag and an interrupt halt
2 alarm interrupt circuits (Alarm_W for week, hour, and minute alarm settings and Alarm_D for hour and
minute alarm settings)
With Power-on flag to prove that the power supply starts from 0V
32-kHz clock output pin (CMOS push-pull output with control pin)
Supply voltage monitoring circuit with two supply voltage monitoring threshold settings
Automatic identification of leap years up to the year 2099
Selectable 12-hour and 24-hour mode settings
High precision oscillation adjustment circuit
Built-in oscillation stabilization capacitors (CG and CD)
Package TSSOP10G (4.0mm x 2.9mm x 1.0mm: R2033T) FFP12 (2.0mm x 2.0mm x 1.0mm: R2033K)
CMOS process
相關PDF資料 |
PDF描述 |
|---|---|
| R2033K-E2 | 3 wire interface Real-Time Clock ICs |
| R2033T | 3 wire interface Real-Time Clock ICs |
| R2043T | 4-wire Serial Interface |
| R2043T-E2 | 4-wire Serial Interface |
| R2043K | 4-wire Serial Interface |
相關代理商/技術參數 |
參數描述 |
|---|---|
| R2033K-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs |
| R2033T | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs |
| R2033T-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs |
| R203426000 | 功能描述:RF 連接器 SSMB(M) STR NA PCB RoHS:否 制造商:Bomar Interconnect 產品:Connectors 射頻系列:BNC 型式:Jack (Female) 極性: 觸點電鍍:Gold 阻抗: 端接類型:Solder 主體類型:Straight Bulkhead 電纜類型: |
| R203426000W | 功能描述:RF 連接器 EMB DR CI RoHS:否 制造商:Bomar Interconnect 產品:Connectors 射頻系列:BNC 型式:Jack (Female) 極性: 觸點電鍍:Gold 阻抗: 端接類型:Solder 主體類型:Straight Bulkhead 電纜類型: |
發布緊急采購，3分鐘左右您將得到回復。