4

AV9107C

PIN NUMBER

PIN NAME

TYPE

DESCRIPTION

-05/-10

-03

-11

1

14

14

FS0

Input

Frequency Select 0 for CLK1 (-03 and -11 have pull-ups).

5

1

1

FS1

Input

Frequency Select 1 for CLK1 (-03 and -11 have pull-ups).

2

2

FS2

Input

Frequency Select 2 for CLK1 (-03 and -11 have pull-ups).

3

3

FS3

Input

Frequency Select 3 for CLK1 (-03 and -11 have pull-ups).

4

4

AGND

-

Analog GROUND.

2

5

5

GND

-

Digital GROUND.

6

PD

Input

POWER-DOWN. Shuts off chip when low. Internal pull-up.

6

SLOW CLOCK

Input

SLOW CLOCK input. Forces CLK1 to 8 MHz (regardless of

FS condition). Has internal pull-up.

3

7

7

X1/ICLK

Input

CRYSTAL OUTPUT or INPUT CLOCK frequency. Typically

14.318 MHz system clock. This input includes load

capacitance and feedback bias for a crystal.

4

8

8

X2

Output

CRYSTAL OUTPUT (No Connect when clock used.) This

input includes XTAL load capacitance.

9

9

OE(REFCLK)

Input

OUTPUT ENABLE. Tristates REFCLK when low. Has

internal pull-up.

10

10

OE(CLK1)

Input

OUTPUT ENABLE. Tristates CLK1 when low. Has internal

pull-up.

6

11

11

CLK1

Output

CLOCK1 Output (see decoding tables).

7

12

12

VDD

-

Digital power supply.

8

13

13

REFCLK

Output

REFERENCE CLOCK output. Produces a buffered version of

the input clock or crystal frequency (typically 14.318 MHz).

Pin Descriptions for AV9107C-03, AV9107C-05, AV9107C-10 and AV9107C-11