STA33013TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

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STA33013TR

2.0 digital audio processor with FFX digital modulator and analog and digital inputs

STMicroelectronics 

Serial digital audio interface (SAI)

8

Serial digital audio interface (SAI)

STA330

8.1

Specifications

The serial-to-parallel interface and the parallel-to-serial interface can have different

sampling rates.

The following terms are used in this section:

" BICLK active edge: Pins SDATAI, SDATAO, LRCLKI, LRCLKO always change

synchronously with BITCLK active edges. The active edge can be configured to a rising

or falling edge via register programming.

" BICLK strobe edge: Pins SDATAI, SDATAO, LRCLKI, LRCLKO should be stable near

BICLK strobe edges, the slave device is able to use strobe edges to latch serial data

internally.

8.2

Master mode

In this mode pins BICLKI/BICLKO and pins LRCLKI/LRCLKO are configured as outputs.

Figure 10. Master mode

BICLKI/

BICLKO

LRCLKI/

LRCLKO

SDATAO

tDL

tDDA

SDATAI

tDST

tDHT

Table 14. Master mode

Symbol

Parameter

Min Typ Max Unit

tDL

LRCLKI/LRCLKO propagation delay from BICLK active

edge

0

tDDA SDATAI propagation delay from BICLKI/O active edge 0

tDST Sdatao setup time to BICLKI/O strobing edge

10

tDHT Sdatao hold time from BICLKI/O strobing edge

10

10 ns

15 ns

ns

ns

24/55

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