LM4934 datasheet(17/39 Pages) NSC

17 / 39 page

System Controls (Continued)

TABLE 9. Output Control (01h)

Loudspeaker Left Channel

LS_L_OUTPUT = 1

LS_L_OUTPUT = 0

Output On

Output Off

Loudspeaker Right Channel

LS_R_OUTPUT = 1

LS_R_OUTPUT = 0

Output On

Output Off

Headphone Left Channel

HP_L_OUTPUT = 1

HP_L_OUTPUT = 0

Output On

OCL = 1, Output Mute

OCL = 0, Output Mute

Headphone Right Channel

HP_R_OUTPUT = 1

HP_R_OUTPUT = 0

Output On

OCL = 1, Output Mute

OCL = 0, Output Mute

Mono Speaker Output

MONO_OUTPUT = 1

MONO_OUTPUT = 0

Output On

Output Off

Lineout

LINEOUT_OUTPUT = 1

LINEOUT_OUTPUT = 0

Output On

Output Mute

Headphone Output Mode

OCL = 1

OCL = 0

Headphone Output set to Capless

(CHP = 1/2 AV

DD)

Headphone Output Set to Cap-coupled

All Outputs

CD3=1

CD3=0

Outputs Toggled Via Register Control

All Outputs Off

TABLE 10. National 3D Enhancement Level Select (03h)

3D_LEVEL_1

3D_LEVEL_0

MIX RATIO

25%

40%

55%

70%

TABLE 11. National 3D Mode Control (04h)

3D_MODE

MODE

3D type 1

3D type 2

3D type 1: ROUT =Ri -G*LOUT3D,LOUT =Li -G*ROUT3D

3D type 2: ROUT =−Ri -G*LOUT3D,LOUT =Li +G*ROUT3D

Ri = Right Input

Li = Left Input

G = 3D gain level (Mix Ratio)

ROUT3D =Ri through the high-pass filter R3D and C3D

LOUT3D =Li through the high-pass filter R3D and C3D

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