tc94b06wbg TOSHIBA Semiconductor CORPORATION, tc94b06wbg Datasheet - Page 4

• Manufacturer Part Number: tc94b06wbg
• Description: Stereo Headphone Amplifier With Electronic Volume
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Functional Description
1. I2C control
Note
The register address is for TOSHIBA testing from 0x04. Under no circumstances must any data be written to these
registers. Writing to these bits may change the function of the device, or cause complete failure. If read, these bits
may assume any value.
0x01
0x02
0x03
1-1. Slave address
1-2. Register map
Register
0xC0(Binary 11000000) : Writing mode
0xC1(Binary 11000001) : Reading mode
D5:D1
0x01
0x02
0x03
Bit
D7
D6
D1
D0
Bit
D7
D6
Bit
D1
D0
HP_EN_L
Mute_L
D7
0
HP_EN_R
HP_EN_L
Thermal
Mute_L
Mute_R
Volume
Hi-Z_L
Hi-Z_R
Name
Name
Name
SWS
HP_EN_R
Mute_R
D6
0
Table 2
Table 3
Table 4
Value
Value
Value
D5
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
-
Table 1
Resister explanation : 0x01
Resister explanation : 0x02
Resister explanation : 0x03
D4
0
0
Headphone amp. Lch disabled
Headphone amp. Lch enabled
Headphone amp. Rch disabled
Headphone amp. Rch enabled
Protection circuit not activated (read only)
Protection circuit activated (read only)
Device enabled (Charge pump circuit enabled)
Device disabled (Software shutdown)
Headphone amp. Lch mute off
Headphone amp. Lch mute on
Headphone amp. Rch mute off
Headphone amp. Rch mute on
These bits set the volume level
See volume table
Normal impedance of Lch output
High impedance of Lch output
Normal impedance of Rch output
High impedance of Rch output
D3
Resister map
4
0
0
Volume
D2
0
0
Over current
Hi-Z_L
D1
Description
Description
Description
Hi-Z_R
SWS
D0
0
TC94B06WBG
0000 0001
1100 0000
0000 0000
2011-04-18
Preset