Newland EM3000 Specifiche Scaricare il pdf (Pagina 29)

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Page 20

Electrical Interface

The 24 Pin to 12 Pin Signal map

Interface Signal levels

The table below lists the interface input and output level voltage ranges

Signal Type Voltage Level Voltage Range

Input

High 2.0V - 3.6V

Low -0.3V - 0.6V

Output

High 2.4V - 3.3V

Low 0V - 0.4V

Serial Input 3.3V

Serial Output 3.3V

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

24PIN

TXD

RXD

TRIG

BUZ

LED

/RESET

1

2

3

4

5

6

7

8

9

10

11

12

12PIN

TXD

RXD

TRIG

BUZ

LED

/RESET

GND

VDD

VDD

VDD

VDD

VDD

GND

GND

GND

GND

GND

GND

GND

Flex Cable

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