Datasheet

Description M41T82, M41T83
10/64 DocID012578 Rev 16
Figure 6. M41T82 block diagram
1. V
RST
= V
SO
= 2.93 V (S), 2.63 V (R), and 2.32 V (Z).
2. Open drain output.
Figure 7. M41T82 hardware hookup
1. Open drain output.
REAL TIME CLOCK
CALENDAR
ALARM1
ALARM2
WATCHDOG
OSCILLATOR FAIL
CIRCUIT
OUTPUT DRIVER
8-BIT COUNTER
FREQUENCY TEST
USER SRAM (7 Bytes)
RST
(2)
INTERNAL
POWER
SDA
SCL
V
CC
COMPARE
t
rec
TIMER
I
2
C
INTERFACE
32KHz
OSCILLATOR
V
BAT
CRYSTAL
XI
XO
V
RST
/V
SO
(1)
AI11812
WRITE
PROTECT
V
CC
< V
RST
FT
AI11813
V
CC
Reset Input
Serial Clock Line
Serial Data Line
XO
XI
M41T82
MCU
V
SS
V
BAT
FT/RST
(1)
SDA
SCL
V
CC
V
CC