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MCP7940N-E/MS Datasheet(PDF) 2 Page - Microchip Technology

Part # MCP7940N-E/MS
Description  Battery-Backed I2C Real-Time Clock/Calendar with SRAM
PDF  58 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP7940N-E/MS Datasheet(HTML) 2 Page - Microchip Technology

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MCP7940N
DS20005010J-page 2
 2011-2022 Microchip Technology Inc. and its subsidiares
FIGURE 1-1:
TYPICAL APPLICATION SCHEMATIC
FIGURE 1-2:
BLOCK DIAGRAM
VCC
VCC
VCC
VBAT
CX1
CX2
VBAT
X2
X1
SCL
SDA
MFP
VSS
VCC
1
2
3
4
5
7
6
8
PIC® MCU
MCP7940N
32.768 kHz
I2C Interface
and Addressing
Control Logic
SRAM
Clock Divider
Digital Trimming
Square Wave
Output
Alarms
Output Logic
Seconds
Minutes
Hours
Day of Week
Date
Month
Year
Configuration
Oscillator
X1
X2
SCL
SDA
MFP
Power Control
and Switchover
VCC
VBAT
Power-Fail
Time-Stamp
VSS



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