Datasheet

Clock operation M41T82, M41T83
26/64 DocID012578 Rev 16
Table 5. Key to Table 4: M41T83 clock/control register map (32 bytes)
Code Explanation
0 Must be set to zero
ABE Alarm in battery back-up enable bit
A1IE, A2IE Alarm interrupt enable bits
AC0-AC6 Analog calibration bits
ACS Analog calibration sign bit
AF1, AF2 Alarm flag
AL2E Alarm 2 enable bit
BL Battery low bit
BMB0-BMB4 Watchdog multiplier bits
CB0, CB1 Century bits
DC0-DC4 Digital calibration bits
DCS Digital calibration Sign bit
FT Frequency test bit
HT Halt update bit
OF Oscillator fail bit
OUT Output level
OFIE Oscillator fail interrupt enable
OTP OTP control bit
RB0-RB2 Watchdog resolution bits
RPT11-RPT15 Alarm 1 repeat mode bits
RPT21-RPT25 Alarm 2 repeat mode bits
RS0-RS3 SQW frequency
SQWE Square wave enable
SRAM/
ALM2 SRAM/alarm 2 bit
ST Stop bit
TD0, TD1 Timer frequency bits
TE Timer enable bit
TF Timer flag
TI/TP Timer interrupt or pulse
TIE Timer interrupt enable
WDF Watchdog flag