Matrix LED Display Driver

20

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DUTY

CYCLE

TYPICAL

SEGMENT

CURRENT (mA)

ADDRESS

CODE (HEX)

D7

D6

D5

D4

D3

D2

D1

D0

HEX

CODE

1/16 (min on)

2.5

0x01, 0x02

0000

0xX0

2/16

5

0x01, 0x02

0001

0xX1

3/16

7.5

0x01, 0x02

0010

0xX2

4/16

10

0x01, 0x02

0011

0xX3

5/16

12.5

0x01, 0x02

0100

0xX4

6/16

15

0x01, 0x02

0101

0xX5

7/16

17.5

0x01, 0x02

0110

0xX6

8/16

20

0x01, 0x02

0111

0xX7

9/16

22.5

0x01, 0x02

1000

0xX8

10/16

25

0x01, 0x02

1001

0xX9

11/16

27.5

0x01, 0x02

1010

0xXA

12/16

30

0x01, 0x02

1011

0xXB

13/16

32.5

0x01, 0x02

1100

0xXC

14/16

35

0x01, 0x02

1101

0xXD

15/16

37.5

0x01, 0x02

1110

0xXE

15/16 (max on)

37.5

0x01, 0x02

See Table 24.

1111

0xXF

Table 23. Intensity Register Format for Digit 0 (Address 0x01) and Digit 2 (Address 0x02)

DUTY

CYCLE

TYPICAL

SEGMENT

CURRENT

(mA)

ADDRESS CODE

(HEX)

D7

D6

D5

D4

D3

D2

D1

D0

HEX

CODE

1/16 (min on)

2.5

0x01, 0x02

0

000

0x0X

2/16

5

0x01, 0x02

0

001

0x1X

3/16

7.5

0x01, 0x02

0

010

0x2X

4/16

10

0x01, 0x02

0

011

0x3X

5/16

12.5

0x01, 0x02

0

100

0x4X

6/16

15

0x01, 0x02

0

101

0x5X

7/16

17.5

0x01, 0x02

0

110

0x6X

8/16

20

0x01, 0x02

0

111

0x7X

9/16

22.5

0x01, 0x02

1

000

0x8X

10/16

25

0x01, 0x02

1

001

0x9X

11/16

27.5

0x01, 0x02

1

010

0xAX

12/16

30

0x01, 0x02

1

011

0xBX

13/16

32.5

0x01, 0x02

1

100

0xCX

14/16

35

0x01, 0x02

1

101

0xDX

15/16

37.5

0x01, 0x02

1

110

0xEX

15/16 (max on)

37.5

0x01, 0x02

1

111

See Table 23.

0xFX

Table 24. Intensity Register Format for Digit 1 (Address 0x01) and Digit 3 (Address 0x02)