STA013 datasheet(14/38 Pages) STMICROELECTRONICS

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Hardware Reset: 0x01

The REQ_POL registers is used to program the

polarity of the DATA_REQ line.

MSB

LSB

000000

Default polarity (the source sends data when the

DATA_REQ line is high)

MSB

LSB

000001

Inverted polarity (the source sends data when the

DATA_REQ line is low)

SCKL_POL

Address: 0x0D

Type: R/W

Software Reset: 0x04

Hardware Reset: 0x04

MSB

LSB

XXX

(1)

(2)

X = don’t care

SCKL_POL is used to select the working polarity

of the Input Serial Clock (SCKR).

(1) If SCKL_POL is set to 0x00, the data (SDI)

are sent with the falling edge of SCKR

and sampled on the rising edge.

(2) If SCKL_POL is set to 0x04, the data (SDI)

are sent with the rising edge of SCKR and

sampled on the falling edge.

ERROR_CODE

Address: 0x0F

Type: RO

Software Reset: 0x00

Hardware Reset: 0x00

MSB

LSB

(1)

(2)

(3)

X = don’t care

ERROR_CODE register contains the last error

occourred if any. The codes can be as follows:

Code

Description

(1)

0x00

No error since the last SW or HW Reset

(2)

0x01

CRC Failure

(3)

0x02

DATA not available

SOFT_RESET

Address: 0x10

Type: WO

Software Reset: 0x00

Hardware Reset: 0x00

MSB

LSB

XXX

XXXX

X = don’t care; 0 = normal operation; 1 = reset

When this register is written, a soft reset occours.

The STA013 core command register and the in-

terrupt register are cleared. The decoder goes in

to idle mode.

PLAY

Address: 0x13

Type: R/W

Software Reset: 0x01

Hardware Reset: 0x01

MSB

LSB

XXX

XXXX

X = don’t care; 0 = normal operation; 1 = play

The PLAY command is handled according to the

state of the decoder, as described in section 2.5.

PLAY only becomes active when the decoder is

in DECODE mode.

STA013 - STA013B - STA013T

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