Cirrus-logic CS43L21 User Manual download pdf (Page 8)

8 DS723F1

CS43L21

1.1 Digital I/O Pin Characteristics

The logic level for each input should not exceed the maximum ratings for the VL power supply.

Pin Name

SW/(HW)

I/O Driver Receiver

RESET Input

- 1.8 V - 3.3 V

SCL/CCLK

(I²S/LJ)

Input

- 1.8 V - 3.3 V, with Hysteresis

SDA/CDIN

(MCLKDIV2)

Input/Output

1.8 V - 3.3 V, CMOS/Open Drain 1.8 V - 3.3 V, with Hysteresis

AD0/CS

(DEM)

Input

- 1.8 V - 3.3 V

MCLK Input

- 1.8 V - 3.3 V

LRCK Input/Output

1.8 V - 3.3 V, CMOS 1.8 V - 3.3 V

SCLK Input/Output

1.8 V - 3.3 V, CMOS 1.8 V - 3.3 V

TSTO

(M/S)

Input/Output

1.8 V - 3.3 V, CMOS 1.8 V - 3.3 V

SDIN Input

- 1.8 V - 3.3 V

Table 1. I/O Power Rails

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 63 64

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Cirrus-logic CS43L21 User Manual Page 8