Datasheet

 2012-2018 Microchip Technology Inc. DS20002300C-page 52
MCP7951X/MCP7952X
APPENDIX A: REVISION HISTORY
Revision A (04/2012)
Initial release of this document.
Revision B (12/2016)
General rewrite of document for various corrections
and improvements throughout; Removed preliminary
status; Updated overall content for improved clarity;
Added detailed descriptions of registers; Expanded
descriptions of peripheral features; Updated block
diagram and application schematic; Defined names for
all bits and registers, and renamed the bits shown in
Table 1 for clarification; Renamed the DC
characteristics shown in Tab l e 2 for clarification.
TABLE 1: BIT NAME CHANGES
TABLE 2: DC CHARACTERISTIC NAME CHANGES
Revision C (02/2018)
Added detailed description of OUIs.
Old Bit Name New Bit Name
CALSGN TRIMSIGN
OSCON OSCRUN
VBAT PWRFAIL
LP LPYR
SQWE SQWEN
ALM0 ALM0EN
ALM1 ALM1EN
RS0 SQWFS0
RS1 SQWFS1
RS2 CRSTRIM
CALIBRATION TRIMVAL<7:0>
ALM0C<2:0> ALM0MSK<2:0>
ALM1C<2:0> ALM1MSK<2:0>
Old Name Old Symbol New Name New Symbol
Operating Current I
CC Read EEPROM Operating Current ICCEERD
IDD Write ICCEEWR
VBAT Current IBAT Timekeeping Backup Current IBATT
Standby Current ICCS VCC Data Retention Current (oscillator off) ICCDAT