Cirrus-logic CS4270 Manuel d'utilisateur télécharger pdf (Page 6)

6 DS686F1

CS4270

2. DIGITAL I/O PIN CHARACTERISTICS

The level for each input is set by its corresponding power supply and should not exceed the maximum ratings.

Power

Supply

Number

Pin Name I/O Driver Receiver

Software Mode

VLC

9 SDA/CDOUT Input/Output 1.8 V-5.0 V, Open Drain 1.8 V-5.0 V, with hysteresis

10 SCL/CCLK Input - 1.8 V-5.0 V, with hysteresis

11 AD0/CS Input - 1.8 V-5.0 V

12 AD1/CDIN Input - 1.8 V-5.0 V

13 AD2 Input - 1.8 V-5.0 V

Stand-Alone Mode

VLC

9 M1 Input - 1.8 V-5.0 V

10 M0 Input - 1.8 V-5.0 V

11 I²S/LJ Input - 1.8 V-5.0 V

12 MDIV1 Input - 1.8 V-5.0 V

13 MDIV2 Input - 1.8 V-5.0 V

All Modes

1 SDIN Input - 3.3 V-5.0 V

2 LRCK Input/Output 3.3 V-5.0 V, CMOS 3.3 V-5.0 V

3 MCLK Input - 3.3 V-5.0 V

4 SCLK Input/Output 3.3 V-5.0 V, CMOS 3.3 V-5.0 V

7 SDOUT Output 3.3 V-5.0 V, CMOS -

14 RST

Input - 1.8 V-5.0 V

21 MUTEA Output 3.3 V-5.0 V, CMOS -

24 MUTEB

Output 3.3 V-5.0 V, CMOS -

Table 1. Digital I/O Pin Power Rails

1 2 3 4 5 6 7 8 9 10 11 ... 44 45

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Cirrus-logic CS4270 Manuel d'utilisateur Page 6