ICS620-01

Digital Still Camera Clock Source

MDS 620-01 B

2

Revision 072098

Printed 12/4/00

Integrated Circuit Systems • 1271 Parkmoor Ave.•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax

PRELIMINARY INFORMATION

I C R O

Pin Descriptions

Pin

Assignment

Key: I = Input, O = Output, P = Power supply connection, TI = tri-level input (automatically biased to M level if unconnected).

Internal pull-ups are on pins 6, 16, 20, 24, and 27.

Pin #

Name

Type Description

1

CSEL0

TI

C clock SELect pin 0.

2, 26

NC

-

No Connect. Nothing is connected internally to this pin.

3

X2

XO Crystal connection. Connect to a 14.31818 MHz crystal or input clock.

4

X1

XI

Crystal connection. Connect to a 14.31818 MHz crystal, or leave unconnected for clock.

5, 7, 8, 21

VDD

P

Connect to +3.3V or +5V. Must be same voltage on all pins.

6

NSEL1

I

NTSC/PAL SELect pin 1.

9

NSEL0

TI

NTSC/PAL SELect pin 0.

10, 11, 19, 23

GND

P

Connect to Ground.

12

CLKI2

O

Interface CLocK output 2.

13

CLKI1

O

Interface CLocK output 1.

14

CLKP2

O

Processor CLocK output 2.

15

CLKP1

O

Processor CLocK output 1.

16

PSEL1

I

Processor clock SELect pin 1.

17

CLKC2

O

C CLocK output 2.

18

CLKC1

O

C CLocK output 1.

20

PSEL0

I

Processor clock SELect pin 0.

22

CLKN2

O

NTSC/PAL CLocK output 2.

24

ISEL1

I

Interface clock SELect pin 1.

25

CLKN1

O

NTSC/PAL CLocK output 1. Output may stop high or low during power down.

27

ISEL0

I

Interface clock SELect pin 0.

28

CSEL1

TI

C clock SELect pin 1.

Processor Clock Select (MHz)

PSEL1

PSEL0 CLKP1 CLKP2

0

0

Power down both

Power down both

0

1

20.50

10.25

1

0

23.96

11.98

1

1

24.5455 12.2727

CSEL1 CSEL0

CLKC1

CLKC2

Actual error

0

0

Power Down - both outputs stop low

Power Down - both outputs stop low

Power Down - both outputs stop low

0

M

14.31818

7.15909

0 ppm

0

1

9.81818

4.90909

0 ppm

M

0

7.3728

3.6864

31 ppm high

M

M

27

13.5

0 ppm

M

1

8

4

0.017% high

1

0

28

14

0 ppm

1

M

24.54545

12.272725

11 ppm high

1

1

32

16

0.017% high

Clock C Frequency Select Table (MHz)

1

8

9

2

3

4

5

6

7

10

11

12

13

14

16

15

20

17

18

19

25

24

23

22

21

26

27

28

GND

NSEL0

X1

VDD

X2

VDD

NC

GND

CLKI2

CLKP1

ISEL0

GND

PSEL1

NC

CSEL1

GND

VDD

PSEL0

CLKI1

CSEL0

CLKC1

CLKC2

ISEL1

CLKN1

CLKP2

NSEL1

VDD

CLKN2

Interface Clock Select (MHz)

NSEL1 NSEL0 CLKN1 CLKN2

Error

0

0

Power down

Power down

0

M

8.8672 4.43361 2 ppm low

0

1

27

13.5

0 ppm

1

0

35.4688 17.7344 2 ppm low

1

M

7.1591

3.5795

0 ppm

1

1

28.6364 14.3182

0 ppm

ISEL1 ISEL0 CLKI1

CLKI2

0

0

Power down both

Power down both

0

1

36.864

18.432

1

0

24.576

8.192

1

1

48

12

NTSC/PAL Clock Select (MHz)

Key: 0 = connect to ground, 1 = connect to VDD,

M = leave unconnected (floating).