MCP79412T-I/MS Microchip Technology, MCP79412T-I/MS Datasheet
MCP79412T-I/MS
Specifications of MCP79412T-I/MS
Related parts for MCP79412T-I/MS
MCP79412T-I/MS Summary of contents
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... Packages include 8-Lead SOIC, TSSOP, 2x3 TDFN, MSOP • Pb-Free and RoHS Compliant • Temperature Ranges: - Industrial (I): -40°C to +85°C. 2010-2011 Microchip Technology Inc. MCP79410/MCP79411/MCP79412 Description: The MCP7941X series of low-power Real-Time Clocks Unique ID (RTC) uses digital timing compensation for an accurate ...
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... Pin on the device as possible. CC DS22266C-page MFP 2 I C™ SCL SDA SYSTEM Note MFP V SCL BAT V SDA SS Suggested Values: 100nF C1 See Text CX1, CX2 C2 100pF 10K R1 2.2K R2 Schottky D1 Backup Supply BAT 32.768 kHz X1 Crystal (See Text MFP SCL SDA 2010-2011 Microchip Technology Inc. ...
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... Voltage Range BAT BAT (Note 1) D16 COSC Oscillator Pin Capacitance Note 1: This parameter is periodically sampled and not 100% tested. 2: Standby with oscillator running. 2010-2011 Microchip Technology Inc. Electrical Characteristics: Industrial (I +1.8V to 5.5V CC Min. Typ. Max. Units — — — 0.7 V — ...
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... V 5.5V CC 1.8V V < 2.5V CC 2.5V V 5.5V CC 1.8V V < 2.5V CC 2.5V V 5.5V CC 1.8V V < 2.5V CC 2.5V V 5.5V CC (Note 1 and Note 2) — = 5.5V Page mode CC (Note 3) 2010-2011 Microchip Technology Inc. ...
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... FIGURE 1-2: BUS TIMING DATA 5 SCL 7 3 SDA SDA Out 2010-2011 Microchip Technology Inc MCP7941X DS22266C-page 5 ...
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... X1, X2 External Crystal Pins. 2.4 MFP Open drain pin used for alarm and clock-out. 2.5 V BAT Input for backup supply to maintain RTCC and SRAM during the time when V is below V CC TRIP DS22266C-page 6 Table 2-1. . 2010-2011 Microchip Technology Inc. ...
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... SCL SDA Start Condition 2010-2011 Microchip Technology Inc. 3.1.1.4 Data Valid (D) The state of the data line represents valid data when, after a Start condition, the data line is stable for the duration of the high period of the clock signal. The data on the line must be changed during the low period of the clock signal ...
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... Data from transmitter Receiver must release the SDA line at this point so the Transmitter can continue sending data. (Figure 3-3). The upper address bits are Upon receiving an ‘1010111’ A • • • • • • 0 2010-2011 Microchip Technology Inc. or ...
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... See Figure 3-4 flow diagram. FIGURE 3-4: ACKNOWLEDGE POLLING FLOW Send EE Write Command Send Stop Condition to Initiate EE Write Cycle Send Start Send Control Byte with R Did Device Acknowledge (ACK = 0)? YES Next Operation 2010-2011 Microchip Technology Inc. for the NO MCP7941X DS22266C-page 9 ...
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... No error checking is provided when loading time and date registers. DS22266C-page 10 FIGURE 4-1: 0x00 0x06 0x07 0x09 0x0A 0x10 0x11 0x17 0x18 0x1F 0x20 0x5F 0x60 0xFF Table 4-1. MEMORY MAP Time and Date Configuration and Calibration Alarm 0 Alarm 1 Time-Stamp SRAM (64 Bytes) 2010-2011 Microchip Technology Inc. ...
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... Hour 12/24 AM/PM 1Ah 10 Date 1Bh Day 1Ch 10 Minutes 1Dh 10 Hour 12/24 AM/PM 1Eh 10 Date 1Fh Day 2010-2011 Microchip Technology Inc. Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Time and Configuration Registers Seconds Minutes 10 Hour Hour V VBATEN Day BAT Date 10 Month Month ...
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... MFP when used for alarms is the inverse of ALM1POL. • ALMxIF: This is the Alarm Interrupt Fag. This bit is set in hardware if the alarm was triggered. The bit is cleared in software. Section 4.2.3 “Calibra- process is fully detailed in Sequence”. 2010-2011 Microchip Technology Inc. ...
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... Note strongly recommended that the timesaver function only be used when the oscillator is running. This will ensure accurate functionality. 2010-2011 Microchip Technology Inc. 4.2 FEATURES 4.2.1 STATUS REGISTER The STATUS register is in the nonvolatile EEPROM array. To access the STATUS register, the address of 0xFFh is written to and read from ...
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... MFP output pin will be “delayed”, once per minute, by twice the number of input clock cycles defined in the Calibration register. The MFP waveform will appear as: Delay RS0 Output Signal 32768 input setting and the sign is determined by the MSB of Calibration register. 2010-2011 Microchip Technology Inc. ...
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... MSB of the Calibration register. Since the calibration is done every cycle, the frequency of the output MFP waveform is constant. 2010-2011 Microchip Technology Inc. 4.2.4 MFP Pin multi-function pin and supports the following functions: • The value of the OUT bit determines the logic level of the I/O ...
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... Please also consult with the crystal specification to observe correct handling and reflow conditions and for information on ideal capacitor values. For more information please see the RTCC Best Prac- tices AN1365. 2010-2011 Microchip Technology Inc. CX2 Value 12pF 8 pF www/microchip.com/ ...
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... V TRIP(max) V TRIP(min) Power-Down Time Stamp 2010-2011 Microchip Technology Inc. • The first set, located at 0x18h through 0x1Bh, is loaded at the time when V and the RTCC operates on the V (register 0x03h bit 4) bit is also set at this time. voltage and is • The second set of registers, located at 0x1Ch ...
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... Address Pointer will rollover to the start of the addressed block. • Data written to the RTCC and SRAM are on a per byte basis. Note: Entering an address past 0x5F for an SRAM MCP7941X address. . BAT S T DATA DATA BYTE operation will result in the not acknowledging the 2010-2011 Microchip Technology Inc. ...
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... As with the byte write operation, once the Stop condition is received, an internal write cycle will begin (Figure 5-4). 2010-2011 Microchip Technology Inc. Note: Page write operations are limited to writing bytes within a single physical page, regardless of the number of bytes actually ...
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... S T DATA DATA BYTE CURRENT ADDRESS READ (EEPROM SHOWN CONTROL DATA A T BYTE BYTE (Figure 5-2). After a random read 2010-2011 Microchip Technology Inc. ...
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... IEEE EUI-48 or EUI-64 value. In addition, customer-provided codes can also be programmed. Please contact your Microchip sales channel for more information. 2010-2011 Microchip Technology Inc. master, the master will NOT generate an Acknowledge but will generate a Stop condition. To provide sequential reads, the MCP7941X contains an internal Address Pointer which is incremented by one at the completion of each operation ...
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... DS22266C-page 22 Example: 79410I Example: Example: Example: 1st Line Marking Codes TSSOP MSOP TDFN 7941 79410T AAP 9411 79411T AAQ 9412 79412T AAR 2010-2011 Microchip Technology Inc. 0527 13F 7941 I527 13F 79401I 52713F AC4 527 ...
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... Microchip Technology Inc. MCP7941X DS22266C-page 23 ...
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... MCP7941X DS22266C-page 24 2010-2011 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP7941X DS22266C-page 25 ...
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... MCP7941X D N NOTE DS22266C-page φ L 2010-2011 Microchip Technology Inc. ...
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... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging 2010-2011 Microchip Technology Inc. MCP7941X DS22266C-page 27 ...
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... MCP7941X D N NOTE DS22266C-page 2010-2011 Microchip Technology Inc. φ L ...
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... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging 2010-2011 Microchip Technology Inc. MCP7941X DS22266C-page 29 ...
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... MCP7941X Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22266C-page 30 2010-2011 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP7941X DS22266C-page 31 ...
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... MCP7941X DS22266C-page 32 2010-2011 Microchip Technology Inc. ...
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... Minor typographical edits; Added Appendix B: Device Errata Revision C (07/2011) Updated Section 4.2.6, Crystal Specs; Revised Figure 4-4. 2010-2011 Microchip Technology Inc. MCP7941X APPENDIX B: DEVICE ERRATA Devices with silicon revision prior to A4 (date code prior to 11/10) have an errata where the AM/PM bit (Bit 5 in register 02h) may be flipped if the oscillator is stopped ...
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... MCP7941X NOTES: DS22266C-page 34 2010-2011 Microchip Technology Inc. ...
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... To register, access the Microchip web site at www.microchip.com. Under “Support”, “Customer Change Notification” and follow the registration instructions. 2010-2011 Microchip Technology Inc. CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • Distributor or Representative • Local Sales Office ...
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... What deletions from the document could be made without affecting the overall usefulness there any incorrect or misleading information (what and where)? 7. How would you improve this document? DS22266C-page 36 FAX: (______) _________ - _________ N Total Pages Sent ________ Literature Number: DS22266C 2010-2011 Microchip Technology Inc. ...
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... C Serial RTCC, EUI-48 SOIC package, EUI-48 e) MCP79411-I/MS: Industrial Temperature Serial RTCC, EUI-64 MSOP package, EUI- Serial RTCC, EUI-64 f) MCP79412-I/SN: Industrial Temperature, SOIC package, EUI-64 g) MCP79412-I/ST: Industrial Temperature, TSSOP package, EUI-64 h) MCP79412T-I/ST: Industrial Temperature, TSSOP package, Tape and Reel, EUI-64 MCP7941X DS22266C-page 37 ...
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... MCP7941X NOTES: DS22266C-page 38 2010-2011 Microchip Technology Inc. ...
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... Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2010-2011, Microchip Technology Incorporated, Printed in the U ...
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... Philippines - Manila Tel: 63-2-634-9065 Fax: 63-2-634-9069 Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-6578-300 Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-213-7830 Fax: 886-7-330-9305 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 2010-2011 Microchip Technology Inc. 05/02/11 ...