Rainbow-electronics ATA6839 Manuel d'utilisateur télécharger pdf (Page 4)

4955C–AUTO–09/07

ATA6839 [Preliminary]

17 CS

Chip select input; 5V/3.3V CMOS logic level input with internal pull up;

low = serial communication is enabled, high = disabled

18 CLK

Serial clock input; 5V/3.3V CMOS logic level input with internal pull down;

controls serial data input interface and internal shift register (f

max

= 2 MHz)

19 DI

Serial data input; 5V/3.3V CMOS logic level input with internal pull down; receives serial data from the

control device; DI expects a 16-bit control word with LSB being transferred first

20 OUT6 Output 6; see pin 1

21 OUT6 SENSE Only for testability in final test

22 OUT5 SENSE Only for testability in final test

23 OUT5 Output 5; see pin 1

24 NC Internal bond to GND

Table 2-1. Pin Description QFN24 (Continued)

Pin Symbol Function

1 2 3 4 5 6 7 8 9 ... 16 17

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Rainbow-electronics ATA6839 Manuel d'utilisateur Page 4