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RZ6 Multi I/O Processor

Hardware Reference

Updated 2021-09-15

Summary of Contents for RZ6

Page 1: ...RZ6 Multi I O Processor Hardware Reference Updated 2021 09 15 ...

Page 2: ...otices The information contained in this document is provided as is and is subject to being changed without notice TDT shall not be liable for errors or damages in connection with the furnishing use or performance of this document or of any information contained herein The latest versions of TDT documents are always online at https www tdt com docs RZ6 Multi I O Processor 2 ...

Page 3: ...ptional Amplifier Input 10 Onboard Analog Inputs 11 A and B Microphone Amplifier 11 Gain 12 Fiber Optic Port Optional 12 Fiber Oversampling preamp input 12 Onboard Analog Outputs 12 Programmable Attenuation 13 Manual Attenuator 13 Analog Output via BNCs 13 Stereo Headphone Output 14 Monitor Speaker 14 Electrostatic Speaker Output 15 Digital I O 16 LED Indicators 17 RZ6 Technical Specifications 19 ...

Page 4: ...s up to 200 kHz The single device form factor incorporates two channels of onboard programmable and manual attenuation and can drive headphones and standard magnetic or electrostatic speakers It includes an onboard monitor speaker two channels of amplification for analog inputs and 24 bits of digital I O XLR audio jack and BNC connections are supported Optionally the RZ6 can be equipped with a fib...

Page 5: ...rated power supply is shipped from TDT configured for the end user s regional voltage setting 110 V or 220 V If you need to change the voltage setting Turn off the RZ6 Use a small flathead screwdriver to gently push the clip along the left side of the fuse plate to the right to remove it Remove the white AC voltage selector and rotate it until the desired voltage is displayed then reinsert it and ...

Page 6: ...Legacy System 3 Manual for information on what macros to use RZ6 Architecture The RZ6 processor uses a multi bus architecture and offers three dedicated data buses for fast efficient data handling While the operation of the system architecture is largely transparent to the user a general understanding is important when designing experiments RZ6 Architecture Diagram RZ6 Multi I O Processor 6 ...

Page 7: ... to 256 MB DDR2 This architecture facilitates fast DSP to off chip data handling Because each DSP has its own associated memory access is very fast and efficient However large and complex circuits should be designed to balance memory needs such as data buffers and filter coefficients across processors The maximum number of circuit components for each RZ5D standard RZDSP is 768 and 1000 for each QZ...

Page 8: ...DAC and pass through the programmable and manual attenuation modules prior to being output on the front panel BNC connectors Out A and Out B The signals for channels A and B are also passed to two stereo headphone output ports labeled A B and Mon Individual stereo power amplifiers are used for the BNC and stereo headphone outputs A single channel monitor speaker is connected either to signal A sig...

Page 9: ...sage Front Panel Display Screen The front panel display screen reports detailed information about the status of the system The top line reports the system mode Run Idle or Reset The second line reports the user s choice of status indicators for each DSP followed by an aggregate value The user can cycle through the various status indicators using the Mode button to the bottom right of the display P...

Page 10: ...usage For QZDSPs the highest core cycle usage is shown Bus Percentage of internal device s bus capacity used I O Percentage of data transfer capacity used DAC Displays the current analog attenuator setting Also displays bars according to the RMS level of DAC A and B using a logarithmic scale Note Eight solid bars denote that the signal on DAC A or B is clipping ADC Displays bars according to the R...

Page 11: ...ontrol overall signal level of both channels from 20 to 65 dB in 5 dB steps Use only one input for channel A at a time Attempting to input signals from multiple sources will produce an erroneous signal Important When the gain is enabled analog input signals MIC A and DIFF A are differential Since the differential signals are summed a signal gain of 6 dB will be inherently applied If the amplifier ...

Page 12: ...red by an optically connected preamplifier are still governed by the bandwidth and frequency response of the preamplifier Onboard Analog Outputs The RZ6 is equipped with two channels of 24 bit sigma delta D A converters See RZ6 Technical Specifications for more information Analog signals are output through a variety of connectors on the RZ6 front panel Programmable Attenuation The RZ6 has two chan...

Page 13: ...stereo power amplifier to drive TDT s MF1 multi function speakers A single signal generated or input from any of the RZ6 analog inputs can be ganged to reduce the spectral variation in power of the transducer across all frequencies To do this configure your signal to output from both DAC channels and connect your transducer to both channels Stereo Headphone Output DAC channels A and B are also ava...

Page 14: ...t of the monitor stereo output Electrostatic Speaker Output An onboard two channel broadband electrostatic speaker driver is provided allowing direct connection of TDT s ES series electrostatic speakers The driver produces flat frequency responses reaching far into the ultrasonic range can drive two ES series speakers and is powered using the onboard power supply A switch located directly to the l...

Page 15: ...depending on the type Below is a table listing the different voltage outputs and thresholds for both types The electrostatic speaker driver is designed to work exclusively with TDT s electrostatic series speakers https www tdt com docs hardware ec1 es1 electrostatic speaker target _blank Do NOT attempt to use any other speaker Note If the electrostatic speaker driver is not being used make sure th...

Page 16: ...t and prevent clipping The following table describes the LED indicators operation Light Pattern Description Dim Green Bit is configured for output and is currently a logical low 0 Solid Green Bit is configured for output and is currently a logical high 1 Dim Red Bit is configured for input and is currently a logical low 0 Solid Red Bit is configured for input and is currently a logical high 1 LEDs...

Page 17: ...s 2 4 GFLOPS per core Memory 64 MB SDRAM per standard DSP 256 MB DDR2 RAM per core four cores per QZDSP Digital I O 8 programmable bits 3 3 V 25 mA max load 2 programmable bytes 16 bits 5 0 V 35 mA max load Fiber Optic Ports Optional Input Available on RZ6 A P1 only Supports 4 channel Medusa preamplifier or HTI3 Head Tracker Interface serial number 1007 and greater D A 2 channels 24 bit sigma delt...

Page 18: ... dB Gain Step Size 5 dB Programmable Attenuation 2 channels Switching Time 1 sample Settling Time 3 usec Transient Voltage 370 mV Hardware Attenuation Settings 0 20 40 60 dB Manual Attenuation Single setting for both channels Attenuation Settings 0 to 27 dB Attenuation Step Size 3 dB Output Amplifier 2 channels Spectral Variation 0 1 dB from 50 Hz to 200 kHz Signal Noise 115 dB 20 Hz to 80 kHz THD...

Page 19: ...quencies for the D A The sample delay remains constant for varying frequencies DB25 Digital I O Pinout Electrostatic Speaker Output 2 channels For further information on speaker specifications see ES1 EC1 Technical Specifications and MF1 Technical Specifications Note RZ6 Multi I O Processor 19 ...

Page 20: ... Addressable 14 C1 Port C Bit Addressable 2 C2 15 C3 3 C4 16 C5 4 C6 17 C7 5 GND Digital I O Ground 18 A0 Port A Word Addressable 6 A1 Port A Word Addressable 19 A2 7 A3 20 A4 8 A5 21 A6 9 A7 22 B0 Port B Word Addressable 10 B1 Port B Word Addressable 23 B2 11 B3 24 B4 12 B5 25 B6 13 B7 RZ6 Multi I O Processor 20 ...

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