SphinX - electronics and software

• The schematic representation of the instrument’s electronics.

• Details of the software together with respective Electrical Ground Support Equipment (EGSE).

• The cooperation of SphinX within TESIS complex.

SphinX

TESIS TESIS Simulator

SphinX uC ATmega2561

Program memory 256 kB

Up to 16 MIPSRAM 40 kB

Man. II Temp. sensor

MAIN

SphinX uC ATmega2561

Program memory 256 kB

Up to 16 MIPSRAM 40 kB

Man. II Temp. sensor

SPARE

КИА

Motor

Analog Cards

RS232 – 38400 bit/s

Man II – 1M bit/s Select MAIN/SPARE

Power +13V, -13V, +5V

Serial Programming SPI

Calibration shutter

RESET

Analog CardsTo Main Controller

ControllerADCPeak DetectorAmplifier

MAIN

ControllerADCPeak DetectorAmplifier

SPARE

HV

Cooler

Preamp.

4

MC

AM

CA

ControllerADCPeak DetectorAmplifier

MAIN

ControllerADCPeak DetectorAmplifier

SPARE

HV

Cooler

Preamp.

3

MC

AM

CA

MC

AM

CA

ControllerADCPeak DetectorAmplifier

MAIN

ControllerADCPeak DetectorAmplifier

SPARE

HV

Cooler

Preamp.

2

ControllerADCPeak DetectorAmplifier

MAIN

ControllerADCPeak DetectorAmplifier

SPARE

HV

Cooler

Preamp.

1

XR 100CR

MC

AM

CA

Software

• SphinX - AVR – assembler , AVR – C• TESIS Simulator – assembler AD2865• PC (EGSE) – Visual C++ • Modes: Spectral, Time stamping of photon

arrival time • Data transfer 1Mb/s ->TESIS MAN II• Commands transfer 38,4 kB/s -> SphinX• In-System Programming• Data packing 8 kB• Rebininig MCA =10 bits

КИА

TESIS Simulator

EGSE

SphinX

Posibilities:

FULL TESIS simulation.

Saving / reading data.

Graphic data presentation

Data structure

Spectrum Data 4 * 2 * 1024 bytesMesaured Peltier 4 * 1 byteSettings of temperature 4 * 1 bytes Board temperature 1 byteHV (~100V) 4 * 1 byte Supply voltage +/-13V ,+5V 4* 3 bytesDay/Night 1 byte Flare flag 1 byte Motor position 1 byte Hard radiation 1 byte Time of start of measurement 4 bytesTime of end of measurement 4 bytes CRC 1 byteAltogether < 8300 bytes