The i2s IP is a fully parameterised soft IP implementing the Philips compatible I2S interface. The IP features an APB4 slave interface, fully compliant with the AMBA APB Protocol Specification v2.0. Now only support keyboard.
- Compatible with Phillps I2S standard
- Half duplex serial data transmission(send or receive only)
- Audio CODEC master or slave mode support
- Programmable serial clock polarity
- Programmable prescaler
- max division factor is up to 2^16
- 8KHz, 12KHz, 16KHz, 24KHz, 32KHz, 48KHz or 96KHz sample rate
- Stereo or left channel and right channel only mode
- MSB-justified, LSB-justified or I2S Phillps mode
- 8, 16, 24 or 32 bits data transmission size
- Independent send and receive FIFO
- 16~64 data depth
- empty or no-emtpy status flag
- Maskable send or receive interrupt and programmable threshold
- Static synchronous design
- Full synthesizable