PDF HYM8563S Data sheet ( Hoja de datos )

Número de pieza	HYM8563S
Descripción	I2C Real Time Clock/Calendar
Fabricantes	Haoyu
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No Preview Available ! HYM8563 HYM8563 I2C Real Time Clock/Calendar www.DataDShaeteat4US.hcoemet Features ■ Provides Year, Month, Day, Weekday, Hours, Minutes and Seconds Information ■ Century Flag ■ Wide Operating Voltage: 1.8V to 5.5V ■ Low Power Consumption: 0.25μA at VDD = 3.0 V ■ I2C-bus Interface ■ Programmable Clock Output (32.768 kHz, 1024 Hz, 32 Hz and 1 Hz) ■ Alarm and Timer Functions ■ Built-in Power Voltage Detecting Circuit ■ I2C -bus Slave Address: Read A3H and Write A2H ■ Open-Drain Interrupt Pin Applications ■ Cash Register ■ Security Access Controller, Door Controller ■ Time Recorder ■ Mobile Telephones ■ Public Phone Bill Meter, Smart Card Payphone ■ MP3/MP4 Player ■ IC Water-Flow Meter, IC Gas Meter General Description The HYM8563 is a CMOS real time clock/calendar, which provides seconds, minutes, hours, day, date, month, and year information. The number of days in each month and leap years are automatically adjusted. The clock can operate in two modes: one is the 12-hour mode with an AM/PM indicator，the other is the 24-hour mode. The clock/calendar is full binary-coded decimal (BCD). In addition, the HYM8563 contains a programmable clock output, a timer, an alarm, a voltage-low detector. All address and data are transferred serially via I2C bus and The HYM8563 operates as a slave device on the serial bus. The built-in word address register is incremented automatically after each written or read data byte. The HYM8563 is designed to operate on very low power consumption. Block Diagram -1- 1 page HYM8563 www.DataSheet4U.com Figure 4: IDD as a function of T; CLKOUT = 32KHz Figure 5: Frequency deviation as a function of VDD Application Information Register Organization The HYM8563 contains 16 registers with an auto-incrementing address register as shown on Table1. Table 1.Registers Overview Address 00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0AH 0BH 0CH 0DH 0EH 0FH Register name Control/status1 Control/status2 Seconds Minutes Hours Days Weekdays Months/century Years Minute alarm Hour alarm Date alarm Weekday alarm CLKOUT control Timer control Timer countdown Bit7 TEST 0 VL - - - - C AE AE AE AE FE TE Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 0 STOP 0 TESTC 0 0 0 0 0 TI/TP AF TF AIE TIE Seconds 00 to 59 coded in BCD Minutes 00to 59 coded in BCD - Hours 00 to 23 coded in BCD - Days 01 to 31 coded in BCD ---- Weekdays 0 to 6 -- Months 01 to 12 coded in BCD Years 00 to 99 coded in BCD Minute alarm 00 to 59 coded in BCD - Hour alarm 00 to 23 coded in BCD - Day alarm 01 to 31 coded in BCD - - - - Weekday alarm 0 to 6 - - - - - FD1 FD0 - - - - - TD1 TD0 Timer countdown value Note: Bit positions labeled as”-”are not implemented. Bit positions labeled with 0 should always be written with logic 0. All 16 registers are designed as addressable 8-bit parallel registers although not all bits are implemented. The first two registers (00H and 01H) are used as control and status registers. Registers 02H to 08H are used as counters for clock function (seconds up to year’s counters). Registers 09H through 0CH contain alarm -5- 5 Page HYM8563 www.DataSheet4U.com Figure 12. Master reads after setting word address(write word address; read data) Figure 13.Master reads slave immediately after first byte(read mode) Typical Application Circuit Diagram - 11 - 11 Page

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