m41t83 STMicroelectronics, m41t83 Datasheet - Page 8

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

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Table 1.
1. For SO8 and QFN16 packages only.
2. Defaults to 32KHz on power-up.
3. For SOX18 and QFN16 packages only.
4. DU pin must be tied to V
IRQ1/OUT/FT
Symbol
FT/RST
SQW
IRQ2
XO
DU
V
RST
SDA
SCL
XI
V
V
BAT
CC
SS
(1)
(1)
(4)
Signal names
(3)
(2)
CC
32KHz oscillator input
32KHz oscillator output
Interrupt 1/output driver/frequency test output (open drain)
32KHz programmable square wave output
Power-on reset output (open drain)
Frequency test output/power-on reset (open drain - M41T82 only)
Interrupt for alarm 2 (open drain)
Serial data address input/output
Serial clock input
Battery supply voltage (tie V
Do not use
Supply voltage
Ground
.
BAT
Description
to V
SS
if no battery is connected.)