BU9817FV 查看數據表（PDF） - ROHM Semiconductor

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BU9817FV

4-channel temperature sensor IC for PCs with I2C BUS interface

ROHM Semiconductor 

Multimedia ICs

!Input / output equivalent circuits

Pin. No

Pin name

Input / output circuits

1

SDA

BU9817FV

Function

I2C BUS serial data input / output.

When only input address accords slave

address (BU9817FV's), register data is

inputted or outputted.

2

SCL

3

OD1

4

OD2

5

OD3

6

OD4

7

GND

I2C BUS serial clock input.

Open-drain output corresponds to AD1 to

AD4 input.

Connect this pin a pull-up resister.

The pull-up resister should be above VDD /

4mA (Ω).

Ground terminal.

8

CLK

Clock input for ADC block.

Input clock is 32.768kHz.

AD converter and voltage hysteresis

comparator use this clock to operate.

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