CC1110Fx / CC1111Fx
0xDF40: I2SCFG0 – I2S Configuration Register 0
Bit
Field Name
Reset
R/W
Description
7
TXIEN
0
R/W
Transmit interrupt enable
0
1
Interrupt disabled
Interrupt enabled
6
5
RXIEN
0
0
R/W
R/W
Receive interrupt enable
0
1
Interrupt disabled
Interrupt enabled
ULAWE
µ-Law expansion enable
0
1
Expansion disabled
Expansion enabled
ENAB=0
ENAB=1
Enable expansion of data to transmit
Expand data written to I2SDATH
4
ULAWC
0
R/W
µ-Law compression enable
0
1
Compression disabled
Compression enabled
ENAB=0
ENAB=1
Enable compression of data received
Compress data written to I2SDATH:I2SDATL
3
2
TXMONO
RXMONO
0
0
R/W
R/W
TX mono enable
0
1
Stereo mode
Each sample of audio data will be repeated in both channels before a new
sample is fetched. This is to enable sending a mono signal to a stereo audio
sink device.
RX mono enable
0
1
Stereo mode
Data from the right channel will be discarded, i.e. not be read into the data
registers. This feature is included because some mono devices repeat their
audio data in both channels and left is the default mono channel.
1
0
MASTER
ENAB
0
0
R/W
R/W
Master mode enable
0
1
Slave (CLK and WS are read from the pads)
Master (generate the CLK and WS)
I2S interface enable
0
1
Disable (I2S can be used as a µ-Law compression/expansion unit)
Enable
SWRS033E
Page 166 of 239
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
