STV2310 datasheet(49/112 Pages) STMICROELECTRONICS

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STV2310

Functional Description

● WSUD01: This byte provides the MSB contents of the WSS 1st group of data.

WSSER1:WSS data group 1 error flag. This bit is set when any of the Group 1 bits (WSS[3:0])

is received with a bi-phase error.

WSS[3:0]:WSS Aspect Ratio Bits.

● WSUD10: This byte provides the LSB contents of the WSS 2nd group of data.

● WSUD11: This byte provides the MSB contents of the WSS 2nd group of data.

WSSER2:WSS data group 2 error flag. This bit is set when any of the Group 2 bits (WSS[7:4])

is received with a bi-phase error.

WSS[7:4]: WSS Enhanced Services Bits.

● WSUD20: This byte provides the LSB contents of the WSS 3rd group of data.

● WSUD21: This byte is static and provides no information.

WSSER3:WSS data group 3 error flag. This bit is set when any of the Group 3 bits

(WSS[10:8]) is received with a bi-phase error.

WSS[10:8]: WSS Subtitle Bits.

● WSUD30: This byte provides the LSB contents of the WSS 4th group of data.

● WSUD31: This byte provides the MSB contents of the WSS 4th group of data.

WSSVDA:Valid WSS Data. This bit is set when the WSS Start code has been matched and a

full WSS data flow has been sliced. When this bit is reset, it indicates that at least part of the

WSS data flow has not been received (in case of a too short TV line, for example).

WSSER4:WSS Data Group 4 Error Flag. This bit is set when any of the Group 4 bits

(WSS[13:11]) is received with a bi-phase error.

WSS[13:11]: WSS reserved Bits.

bit

765

210

WSSER1

bit

765

210

WSS7

WSS6

WSS5

WSS4

bit

765

210

WSSER2

bit

765

210

WSSER3

WSS10

WSS9

WSS8

bit

765

210

100

000

bit

765

210

WSSER4

WSS13

WSS12

WSS11

bit

765

210

WSSVDA

STV2310 データシート(PDF) 49 Page - STMicroelectronics

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