Cirrus Logic CS4348 - Manual (Page 13)

13
CS4344/5/8
Figure 7. CS4344 Data Format (I 2 S)
Figure 8. CS4345 Data Format (Left Justified)
LRCK
SCLK
Left Channel Right Channel
SDATA +3 +2 +1 LSB +5 +4 MSB -1 -2 -3 -4 -5 +3 +2 +1 LSB +5 +4 MSB -1 -2 -3 -4
Internal SCLK Mode External SCLK Mode
I²S, 16-Bit data and INT SCLK = 32 Fs if
MCLK/LRCK = 1024, 512, 256, 128, or 64
I²S, Up to 24-Bit data and INT SCLK = 48 Fs if
MCLK/LRCK = 768, 384, 192, or 96
I²S, Up to 24-Bit data and INT SCLK = 72 Fs if
MCLK/LRCK = 1152 I²S, up to 24-Bit Data
Data Valid on Rising Edge of SCLK
LRCK
SCLK
Left Channel Right Channel
SDATA +3 +2 +1 LSB +5 +4 MSB -1 -2 -3 -4 -5 +3 +2 +1 LSB +5 +4 MSB -1 -2 -3 -4
Internal SCLK Mode External SCLK Mode
Left-Justified, up to 24-Bit Data
INT SCLK = 64 Fs if
MCLK/LRCK = 1024, 512, 256, 128, or 64
INT SCLK = 48 Fs if
MCLK/LRCK = 768, 384, 192, or 96
INT SCLK = 72 Fs if
MCLK/LRCK = 1152 Left-Justified, up to 24-Bit Data
Data Valid on Rising Edge of SCLK