Instruction Manual

42 DS723F1
CS43L21
6.4 Interface Control (Address 04h)
Master/Slave Mode (M/S)
Default: 0
0 - Slave
1 - Master
Function:
Selects either master or slave operation for the serial port.
DAC Digital Interface Format (DAC_DIF[2:0])
Default = 000
Function:
Selects the digital interface format used for the data in on SDIN. The required relationship between the
Left/Right clock, serial clock and serial data is defined by the Digital Interface Format and the options are
detailed in the section “Digital Interface Formats” on page 30.
6.5 DAC Output Control (Address 08h)
Headphone Analog Gain (HP_GAIN[2:0])
Default: 011
Function:
76543210
Reserved M/S
DAC_DIF2 DAC_DIF1 DAC_DIF0 Reserved Reserved Reserved
DAC_DIF[2:0] Description Figure
000 Left-Justified, up to 24-bit data 15 on page 31
001 I²S, up to 24-bit data 14 on page 30
010 Right-Justified, 24-bit data 16 on page 3116 on page 31
011 Right-Justified, 20-bit data 16 on page 3116 on page 31
100 Right-Justified, 18-bit data 16 on page 3116 on page 31
101 Right-Justified, 16-bit data 16 on page 3116 on page 31
110 Reserved -
100 Reserved -
76543210
HP_GAIN2 HP_GAIN1 HP_GAIN0
DAC_
SNGVOL
INV_PCMB INV_PCMA DACB_MUTE DACA_MUTE
HP_GAIN[2:0] Gain Setting
000 0.3959
001 0.4571
010 0.5111
011 0.6047
100 0.7099
101 0.8399
110 1.0000
111 1.1430