SCE5780

2006-01-23

6

Top View

Dot Matrix Format

Pin Assignment

Pin

Function

Pin

Function

1

CLKSEL

14

Serial Data

2

V

15

No connect

3

V

16

Serial CLK

4

No pin

17

No pin

5

No pin

18

No pin

6

No pin

19

No pin

7

No pin

20

No pin

8

No pin

21

No pin

9

No pin

22

No pin

10

No pin

23

No pin

11

Load

24

Reset

12

GND

25

CLK I/O

13

GND

26

No connect

IDPA5120

01

2

3

45

67

IDOD5217

2.54 (0.100)

0.57 (0.022) typ.

C0 C1 C2 C3 C4

R0

R1

R2

R3

R4

R5

R6

Pin Definitions

Pin

Function

Definitions

1

CLKSEL

H=internal clock, L=external clock

2

V

Logic power supply

3

V

LED power supply

4–10

No pin

No pins in these positions

11

Load

Low input enables data clocking into the 8-bit

serial shift register. When Load goes high, the

contents of the 8-bit serial shift register will be

decoded.

12,13

GND

Power supply ground

14

Serial Data

Serial data input

15

No connect

Pin has no function

16

Serial CLK

For loading data into the 8-bit serial register on

a low to high transition

17–23

No pin

No pins in these positions

24

Reset

Asynchronous input, when low will clear the

Multiplex Counter, User RAM, and Data Regis-

ter. Control Word Register is set to 100%

brightness, maximum peak current, and oscil-

lator divided by 1. The display blanked.

25

CLK I/O

Outputs master clock or input external clock for

display multiplexing.

26

No connect

Pin has no function

Display Column and Row Format

C0

C1

C2

C3

C4

Row 0

1

1

1

1

1

Row 1

0

0

1

0

0

Row 2

0

0

1

0

0

Row 3

0

0

1

0

0

Row 4

0

0

1

0

0

Row 5

0

0

1

0

0

Row 6

0

0

1

0

0

1=Display dot “On” /// 0=Display dot “Off”

Column Data Ranges

Row 0

00H to 1FH

Row 1

00H to 1FH

Row 2

00H to 1FH

Row 3

00H to 1FH

Row 4

00H to 1FH

Row 5

00H to 1FH

Row 6

00H to 1FH