Audio Interface Features

? Data communication: I2S, LJ, RJ, and DSP modes

? Control interface: SPI and I2C?

? Master clock:

- Generation of fractional clock frequencies

- Can be synchronized with USB clock

- Can be tuned in run-time

Advanced Analog Features

? ADC Module:

- 10-bit 1.1 Msps rate with one S&H

- Up to 10 analog inputs on 28-pin devices and 13

analog inputs on 44-pin devices

? Flexible and independent ADC trigger sources

? Charge Time Measurement Unit (CTMU):

- Supports mTouch? capacitive touch sensing

- Provides high-resolution time measurement (1 ns)

- On-chip temperature measurement capability

? Comparators:

- Up to three Analog Comparator modules

- Programmable references with 32 voltage points