INA3010

2

PINNING

PIN No

DESIGNATION

DESCRIPTION

1

X7 (IPU)

sense input from key matrix

2

SSM (I)

system mode selection input

3-6

Z0-Z3 (IPU)

sense inputs from key matrix

7

MDATA (OP3)

generated output data modulated

with 1/2 the oscillator frequency at

a 25% duty factor

8

DATA (OP3)

generated output information

9-13

DR7-DR3 (ODN)

scan drivers

14

GND

ground (0V)

15-17

DR2-DR0 (ODN)

scan drivers

18

OSC (I)

oscillator input

19

TP2 (I)

test point 2

20

TP1 (I)

test point 1

21-27

X0-X6 (IPU)

sense inputs from key matrix

28

Vcc (I)

voltage supply

Note

(I) = input

(IPU) = input with p-channel pull-up transistor

(ODN) = output with open drain n-channel transistor

(OP3) = output 3-state

KEYBOARD INTERCONNECTION.

I N A3010