m41t83 STMicroelectronics, m41t83 Datasheet - Page 10

• Manufacturer Part Number: m41t83
• Description: Serial I 2c Bus Rtc With Battery Switchover
• Manufacturer: STMicroelectronics

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Figure 6.
1. V
2. Open drain output
CRYSTAL
RST
SDA
V CC
SCL
= V
V BAT
SO
M41T82 block diagram
= 2.93V (S), 2.63V (R), and 2.32V (Z).
V RST /V SO (1)
XI
XO
INTERFACE
OSCILLATOR
COMPARE
WRITE
PROTECT
V CC < V RST
32KHz
I
2
C
USER SRAM (7 Bytes)
FREQUENCY TEST
REAL TIME CLOCK
OSCILLATOR FAIL
OUTPUT DRIVER
8-BIT COUNTER
WATCHDOG
CALENDAR
ALARM1
ALARM2
CIRCUIT
INTERNAL
POWER
TIMER
t rec
FT
RST (2)
AI11812