SC16313

HANGZHOU MICROELECTRONICS CO.,LTD

REV:1.2

2003.08.28

Http: www.silan.com.cn

Page 3 of 10

PIN CONFIGURATION

1

2

3

4

5

6

7

8

28

27

14

13

12

11

10

9

16

15

18

17

20

19

22

21

24

23

26

25

SC16313

PIN DESCRIPTION

Pin NO.

Symbol

Description

1

CLK

Reads serial data at the rising edge and outputs data at the falling

edge.

2

STB

After the STB has fallen, The data input can be processed; the first

data is regard as a command. When this pin is “HIGH”, CLK is

ignored.

3, 4

KEY1 to KEY2

The data input to these pins is latched at the end of display cycle.

5, 25

Logic ground pin

6, 24

Logic power supply

7 to 14

SG1/KS1 to SG8/KS8

Segment output pins. It also functions as key source.

15

VEE

16 to 19

SG9/GR8 ~SG12/GR5

These pins are selectable for segment or grid output

20 to 23

GR4 to GR1

Grid output pins

26

OSC

frequency.

27

DOUT

Outputs serial data at the falling edge of the shift clock (starting from

the lower bit).

28

DIN

Inputs serial data at the rising edge of the shift clock (starting from

the lower bit).