CXA2164Q データシートの表示（PDF） - Sony Semiconductor

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CXA2164Q

US Audio Multiplexing Decoder

Sony Semiconductor 

CXA2164Q

Description of Mode Control

Mode control

SAPC = 0

SAPC = 1

NRSW

FOMO

SAPC

M1

“Select dbx input and TV decoder output”

Conditions: FOMO = 0

NRSW = 0 (MONO or ST output)

• During ST input: left channel: L,

right channel: R

• During other input: left channel: L + R,

right channel: L + R

NRSW = 1 (SAP output)

• When there is “SAP” during SAP

discrimination

– left channel: SAP, right channel: SAP

• When there is “No SAP”, output is the

same as when NRSW = 0.

“Select dbx input and TV decoder output”

Conditions: FOMO = 0

NRSW = 0 (MONO or ST output)

As on the left

NRSW = 1 (SAP output)

• Regardless of the presence of SAP

discrimination,

dbx input: “SAP”

left channel: SAP, right channel: SAP

However, when there is no SAP, SAPOUT

output is soft muted (–7dB)

“Forced MONO”

FOMO = 1

• During SAP output: left channel: L + R, right channel: SAP

• During ST or MONO output: left channel: L + R, right channel: L + R

Change the selection conditions for “MONO or ST output” and “SAP output”.

SAPC = 0: Switch to SAP output when there is SAP discrimination.

Do not switch to SAP output when there is no SAP discrimination.

SAPC = 1: Switch to SAP output regardless of whether there is SAP discrimination.

“MUTE”

M1 = 0: LSOUT-L, R output is muted.

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