CC1110Fx / CC1111Fx
0xDF40: I2SCFG0 - I2S Configuration Register 0
Bit
Field Name Reset
R/W
Description
7
TXIEN
RXIEN
ULAWE
0
0
0
R/W
Transmit interrupt enable
0
1
Interrupt disabled
Interrupt enabled
6
5
R/W
R/W
Receive interrupt enable
0
1
Interrupt disabled
Interrupt enabled
µ-Law expansion enable
0
1
Expansion disabled
Expansion enabled
ENAB=0
ENAB=1
Expand data written to I2SDATH
Enable expansion of data to transmit
4
ULAWC
0
R/W
µ-Law compression enable
0
1
Compression disabled
Compression enabled
ENAB=0
ENAB=1
Compress data written to I2SDATH:I2SDATL
Enable compression of data received
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
Slave (CLK and WS are read from the pads)
1
Master (generate the CLK and WS)
I2S interface enable
0
1
Disable (I2S can be used as a µ-Law compression/expansion unit)
Enable
SWRS033H
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