AN1781 datasheet(3/8 Pages) STMICROELECTRONICS

Part #	AN1781

Description	STR71x GPIO DRIVING FOUR 7-SEGMENT DISPLAY

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STR71x GPIO DRIVING FOUR 7-SEGMENT DISPLAY

Table 1. LEDs turned on for a given digit

x = Don’t care

a

b

c

d

e

f

g

DP

Hex

0

1

0

x

0x3F

1

0

1

0

x

0x06

2

1

0

1

0

1

x

0x5B

3

1

0

1

x

0x4F

4

0

1

0

1

x

0x66

5

1

0

1

0

1

x

0x6D

6

1

0

1

x

0x7D

7

1

0

x

0x07

8

1

x

0x7F

9

1

0

1

x

0x6F

A

1

0

1

x

0x77

B

0

1

0

1

x

0x7C

C

1

0

1

0

x

0x39

D

0

1

0

1

x

0x5E

E

1

0

1

x

0x79

F

1

0

1

x

0x71

DP

x

1

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