BQ32000 Datasheet, PDF (2/20 Pages) Texas Instruments – REAL-TIME CLOCK (RTC)

bq32000
SLUS900B – DECEMBER 2008 – REVISED JUNE 2009................................................................................................................................................... www.ti.com
OSCI
OSCO
V
BACK
GND
D PACKAGE
(TOP VIEW)
1
8
2
7
3
6
4
5
V
CC
IRQ
SCL
SDA
NAME
NO.
Power and Ground
V_CC
8
GND
4
V_BACK
3
Serial Interface
SCL
6
SDA
5
Interrupt
IRQ
7
Oscillator
OSCI
1
OSCO
2
TYPE
TERMINAL FUNCTIONS
DESCRIPTION
- Main device power
- Ground
- Backup device power
I I²C serial interface clock
I/O I²C serial data
O Configurable interrupt output. Open-drain output.
- Oscillator input
- Oscillator output
2
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