Addres select bit 1

I/O port bit 3

Addres select bit 0

I/O port bit 4

Reset

I/O port bit 5

I/O port bit 6

I/O port bit 7

VDD

NC

Interrupt

I2C Clock

Vss-GND

I2C Data

I/O port bit 0

Addres select bit 2

I/O port bit 1