TMP92CF30
2009-06-12
92CF30-472
3.18 I
2
S (Inter-IC Sound)
The TMP92CF30 incorporates serial output circuitry that is compliant with the I
2
S format.
This function enables the TMP92CF30 to be used for digital audio systems by connecting an
LSI for audio output such as a DA converter.
The I
2
S unit has the following features:
Table 3.18.1 I
2
S Operation Features
Item Description
Number of Channels
1 channel
Format I
2
S-format compliant
Right-justified and left-justified formats supported
Stereo / monaural
Master transmission only
Pins used
1. I2S0CKO (clock output)
2. I2S0DO (output)
3. I2S0WS (Word Select output)
WS frequency
Data transfer rate
Refer to “Setting the transfer clock generator and Word Select signal”.
Transmission buffer
64 bytes
×
2
Direction of data
MSB-first or LSB-first selectable
Data length
8 bits or 16 bits
Clock edge
Rising edge or falling edge
Interrupt INTI2S0
(64-byte FIFO empty interrupt)
Summary of Contents for TLCS-900/H1 Series
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