Datasheet
2012-2018 Microchip Technology Inc. DS20002300C-page 3
MCP7951X/MCP7952X
FIGURE 1-2: BLOCK DIAGRAM
32.768 kHz
SPI Interface
and Addressing
Control Logic
SRAM EEPROM
Clock Divider
Digital Trimming
Square Wave
Output
Alarms
Hundredth of
Seconds
Minutes
Hours
Day of Week
Date
Month
Configuration
Oscillator
X1
X2
SCK
Power Control
and Switchover
V
CC
VBAT
Power-Fail
Timestamp
VSS
MFP
CS
SI
SO
Year
Seconds