DS3232S# Maxim Integrated Products, DS3232S# Datasheet
DS3232S#
Specifications of DS3232S#
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DS3232S# Summary of contents
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... Register for Aging Trim ♦ RST Input/Output ♦ 300-Mil, 20-Pin SO Package ♦ Underwriters Laboratories Recognized CC PART DS3232S# DS3232SN# Applications # Denotes a RoHS-compliant device that may include lead that is exempt under the RoHS requirements. Lead finish is JESD97 Category e3, and is compatible with both lead-based and lead-free soldering processes. A " ...
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Extremely Accurate I Integrated Crystal and SRAM ABSOLUTE MAXIMUM RATINGS , 32kHz, SCL, SDA, RST, Voltage Range BAT INT/SQW Relative to Ground.............................-0.3V to +6.0V Junction-to-Ambient Thermal Resistance (θ Junction-to-Case Thermal Resistance (θ JC Operating Temperature ...
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ELECTRICAL CHARACTERISTICS (continued 2.3V to 5.5V active supply (see Table 1 3.3V 3.0V, and T = +25°C, unless otherwise noted.) (Notes 2, 3) BAT A PARAMETER SYMBOL Logic 0 Output, INT/SQW, ...
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Extremely Accurate I Integrated Crystal and SRAM AC ELECTRICAL CHARACTERISTICS (Active supply (see Table 1) = 2.3V to 5.5V, T PARAMETER SYMBOL SCL Clock Frequency Bus Free Time Between STOP and START Conditions Hold Time (Repeated) START t Condition (Note ...
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Extremely Accurate I RST PF(MAX PF(MIN) t VCCF RST _____________________________________________________________________ Integrated Crystal and SRAM Pushbutton Reset Timing t RST 2 C RTC with Power-Switch Timing VCCR t REC 5 ...
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Extremely Accurate I Integrated Crystal and SRAM SDA t BUF t LOW SCL t t HD:STA R STOP START NOTE: TIMING IS REFERENCED TO V AND V . IL(MAX) IH(MIN) WARNING: Negative undershoots below -0.3V while the part is in ...
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T = +25°C, unless otherwise noted STANDBY SUPPLY CURRENT vs. SUPPLY VOLTAGE 150 SCL = SDA = V RST ACTIVE 125 100 2.3 2.8 3.3 3.8 4.3 V (V) CC SUPPLY ...
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Extremely Accurate I Integrated Crystal and SRAM X1 OSCILLATOR AND CAPACITOR ARRAY POWER CONTROL BAT GND SCL INTERFACE AND ADDRESS REGISTER DECODE SDA Detailed Description The DS3232 is a serial RTC driven by ...
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PIN NAME 1, 2, N.C. No Connection. Not connected internally. Must be connected to ground. 7–14, 19 32kHz Push-Pull Output. If disabled with either EN32kHz = 0 or BB32kHz = 0, the state of the 32kHz pin 3 32kHz will ...
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Extremely Accurate I Integrated Crystal and SRAM This function is provided by a temperature-compensat- ed voltage reference and a comparator circuit that monitors the V level. When the part is powered When V CC ...
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Figure 1. Address Map for DS3232 Timekeeping Registers and SRAM BIT 7 ADDRESS BIT 6 BIT 5 MSB 00h 0 10 Seconds 01h 0 10 Minutes AM/PM 02h 0 12/24 20 Hour 03h 04h 0 0 05h ...
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Extremely Accurate I Integrated Crystal and SRAM hours register is defined as the 12- or 24-hour mode select bit. When high, 12-hour mode is selected. In 12- hour mode, bit 5 is the AM/PM bit with logic-high being PM. In ...
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BIT 7 BIT 6 EOSC NAME: BBSQW POR POR is defined as the first application of power to the device, either V Special-Purpose Registers The DS3232 has two additional registers (control and control/status) that control the real-time ...
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Extremely Accurate I Integrated Crystal and SRAM BIT 7 BIT 6 NAME: OSF BB32kHz POR POR is defined as the first application of power to the device, either V Control/Status Register (0Fh) Bit 7: Oscillator Stop Flag ...
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BIT 7 BIT 6 NAME: SIGN DATA POR BIT 7 BIT 6 NAME: SIGN DATA POR BIT 7 BIT 6 NAME: DATA DATA POR BIT 7 BIT 6 NAME POR ...
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Extremely Accurate I Integrated Crystal and SRAM MSB FIRST SDA SLAVE R/W ADDRESS SCL 1–7 8 IDLE START CONDITION 2 Figure Data Transfer Overview Serial Data Bus The DS3232 supports a bidirectional I transmission ...
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ADDRESS> <R/W> <WORD ADDRESS (n)> S 1101000 0 A XXXXXXXX S - START SLAVE TO MASTER A - ACKNOWLEDGE (ACK STOP R/W - READ/WRITE OR DIRECTION BIT ADDRESS Figure 3. Data Write—Slave Receiver Mode <SLAVE ADDRESS> <R/W> ...
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Extremely Accurate I Integrated Crystal and SRAM The DS3232 can operate in the following two modes: Slave receiver mode (DS3232 write mode): Serial data and clock are received through SDA and SCL. After each byte is received, an acknowledge bit ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 19 © 2010 Maxim Integrated Products is a registered trademark of Maxim Integrated Products, Inc ...