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参数资料
| 型号： | RX-4571LC |
| 厂商： | EPSON TOYOCOM CORP |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO12 |
| 封装： | ROHS COMPLIANT, VSOJ-12 |
| 文件页数： | 28/33页 |
| 文件大小： | 723K |
| 代理商： | RX-4571LC |
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RX
4571 LC
Page - 1
ETM18E-04
LOW BACKUP VOLTAGE
SERIAL-INTERFACE REAL TIME CLOCK MODULE
RX
4571 LC
Built-in 32.768-kHz crystal resonator (with controlled frequency precision).
Interface type
: 3-wire serial interface
Interface voltage range
: 1.6 V to 5.5 V
Voltage when during hold (timer hold)
: 1.0 V to 5.5 V / Ta = +25
°C
Current consumption during backup
: 320 nA ( Typ. ) / 3 V
32.768-kHz output function with output control
: C-MOS output With Control Pin
Real-time clock function
Clock/calendar function, auto leap year correction function, alarm interrupt function, etc.
1. Overview
This module is a serial interface real time clock that has a built-in crystal unit.
The module offers many functions such as clock & calendar circuitry with automatic leap year adjustment (from
seconds to year), alarm, and Timer interrupt. In addition, it can detect stopping of oscillation and time update.
All of these many functions are implemented in a thin, compact VSOJ package, which makes it suitable for various
kinds of mobile telephones and other small electronic devices.
2. Block Diagram
BUS
INTERFACE
CIRCUIT
32.768 kHz
CONTROL
REGISTER
ALARM
REGISTER
TIMER
REGISTER
CLOCK and
CALENDAR
INTERRUPTS
CONTROLLER
FOUT
CONTROLLER
DIVIDER
CONTROL LINE
FOUT
/ IRQ
CLK
DIO
CE
OSC
SYSTEM
CONTROLLER
FOE
相关PDF资料 |
PDF描述 |
|---|---|
| RX-4571SA | REAL TIME CLOCK, PDSO14 |
| RX-4571SA | 0 TIMER(S), REAL TIME CLOCK, PDSO14 |
| RX-4574SG | 0 TIMER(S), REAL TIME CLOCK, PDSO16 |
| RX-4591CF | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| RX-8025NB | 0 TIMER(S), REAL TIME CLOCK, PDSO22 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| RX-4571NB | 制造商:EPSONTOYOCOM 制造商全称:Epson ToYoCom 功能描述:LOW BACKUP VOLTAGE SERIAL-INTERFACE REAL TIME CLOCK MODULE |
| RX-4571SA | 制造商:EPSONTOYOCOM 制造商全称:Epson ToYoCom 功能描述:LOW BACKUP VOLTAGE SERIAL-INTERFACE REAL TIME CLOCK MODULE |
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