Digital Serial I/O module timing diagram with APx500 software
DSIO MODULE PERFORMANCE Pulse Voltage 1.8 V, 2.5 V, 3.3 V
Formats I2S, DSP, custom (left/right justified, one bit/one subframe/50% duty cycle frame, inverted or normal frame, 1-bit left-shifted frame)
Master Clock Rates 4 kHz to 55.296 MHz (1, 2 or 4 channels) 4 kHz to 49.152 MHz (8 or 16 channels)
Sample Rates 4 kS/s to 216 kS/s (1, 2 or 4 channels) 4 kS/s to 192 kS/s (8 or 16 channels)
Master Clock Inversion Yes
Bit Clock Edge Synchronization Rising or Falling
Word Width 8 to 128 bits (cannot be less than bit depth)
Bit Depth 8 to 32 bits
Dither Selectable ON or OFF
Master Clock Direction Selectable IN, OUT or OFF
Bit/Frame Clock Direction Selectable IN or OUT
Multichannel Configurations TDM: 2, 4, 8 or 16 channels
Multiple Datalines 2, 4, 8 or 16 channels
Compatible Instruments APx555, 525, 526, 585 and 586
Full Specifications: For full specifications on the APx Digital Serial I/O module, please see the Installation and Specifications Guides for any of the modular APx audio analyzers: