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Evaluation Kit for CMX724x/CMX734x

PE0403



2014 CML Microsystems Plc

um0403/1

Table 3 Jumpers

JUMPERS

Link

Ref.

Positions

Default

Position

Description

JP2

1-2

Short

Isolates digital supply rail from CMX7240/CMX7340.

JP3

1-2

Short

Isolates analogue supply rail from CMX7240/CMX7340.

JP4

1-2

Open

Connects Audio(J1) connector Ring to Tip.

JP6

1-2

Short

Select Mic or Line level for Mic input (Short for Mic level)

1-2

Open

Manual BootEn1 control (short = LO).

3-4

Open

Manual BootEn2 control (short = LO).

1-2

Open

Crystal clock source

– if components fitted by customer.

3-4

Open

Crystal clock source

– if components fitted by customer.

5-6

Short

19.2MHz oscillator clock source.

7-8

Open

External clock source.

9-10

Short

Ground external clock input.

1-2

Short

Isolates channel 1(DISC) input +ve from instrumentation
interface.

3-4

Short

Isolates channel 1(DISC) input -ve from instrumentation
interface.

7-8

Short

Isolates channel 2(ALT) input -ve from instrumentation
interface.

9-10

Short

Isolates channel 2(ALT) input +ve from instrumentation
interface.

J13

1-2/2-3

1-2

Connect the 50 Ohm driver to J14 if (1-2), or bypass the
50 Ohm driver if (2-3)

J12

1-2/2-3

Open

Set Mic bias level, 1-2 for 3V3, 2-3 for +V input, or open for
bias disabled. See 6.1.6.

J15

3-4,5-6,7-9

See 6.1.6 Audio Interfaces.

11-12

Open

Select coupling on Mic input. Short to DC couple.

J16

1-2

1-2/2-3

Connect the 50 Ohm driver to J17 if (1-2) or bypass the
50 Ohm driver if (2-3)

Содержание PE0403

Страница 1: ...quires an additional 5 volt supply o 50 Output signal drivers o Instrumentation interface to CMX7240 single ended input signals PE0403 724x only o Instrumentation interface to CMX7340 differential inp...

Страница 2: ...y regulation facilities for operation from a single 5 volt supply or a dual 5 volt supply if the instrumentation interface is required The board is fitted with a C BUS connector allowing the PE0403 to...

Страница 3: ...18 6 1 4 Baseband Interfacing 18 6 1 5 Instrumentation Interface 18 6 1 6 Audio Interfaces 19 6 1 7 Digital Interfacing 19 6 2 Adjustments and Controls 19 6 3 Function Image TM 20 6 3 1 Load Function...

Страница 4: ...Register Settings External Digital Clocks 24 Figure Page Figure 1 Block Diagram 5 Figure 2 PE0403 used with PE0002 7 Figure 3 PCB Layout Top 15 Figure 4 PCB Layout Bottom 16 Figure 5 Audio Input Jumpe...

Страница 5: ...c 5 um0403 1 CMX7240 CMX7340 V J18 3V3D 4V0 J19 V Clocks 19 2MHz default SSP GPIO J6 C BUS Master J20 Instrumentation Interface DISC ALT_IN MOD1 2_OUT Supplies 4V0 V Auxiliary ADC DAC J8 C BUS Boot Co...

Страница 6: ...ication ES000243 exe or later version installed on the PC 2 2 Handling Precautions Like most evaluation kits this product is designed for use in office and laboratory environments The following practi...

Страница 7: ...1 Setting Up Refer to the PE0002 user manual and follow the instructions given in the quick start section Ensure the jumpers on J2 are open circuit The CMX7240 CMX7340 BOOTEN1 and BOOTEN2 pins are dr...

Страница 8: ...40 CMX7340 BOOTEN1 and BOOTEN2 pins may be set using jumpers on header J2 Consult the relevant CMX734x documentation for valid modes A jumper in circuit on header J2 corresponds to a 0 state on the bo...

Страница 9: ...I O pin 7 GPIOA BI General purpose I O pin 8 GPIOB BI General purpose I O pin 11 SYSCLK2 O P CMX7240 CMX7340 system clock 2 output 12 SYSCLK1 O P CMX7240 CMX7340 system clock 1 output 13 MOSI O P SSP...

Страница 10: ...P Auxiliary ADC input 6 AUXDAC3 O P Auxiliary DAC output 7 AUXADC1 I P Auxiliary ADC input 8 AUXDAC4 O P Auxiliary DAC output 9 10 GNDA PWR Analogue supply ground J9 1 IP1P O P Channel 1 DISC input p...

Страница 11: ...ly 5 volt J20 1 3 5 7 9 10 and 13 to 20 N C Do not make any connection to these pins 2 SSOUT BI C BUS master chip select FI dependent 4 MOSI BI C BUS master command data FI dependent 6 CLK BI C BUS ma...

Страница 12: ...oop GNDD digital ground TP10 0V Loop GNDA analogue ground TP11 0V Loop GNDA analogue ground TP12 Pad Output from on board regulator not fitted Optional external DC supply voltage for CMX7240 CMX7340 c...

Страница 13: ...d by customer 5 6 Short 19 2MHz oscillator clock source 7 8 Open External clock source 9 10 Short Ground external clock input J9 1 2 Short Isolates channel 1 DISC input ve from instrumentation interfa...

Страница 14: ...Evaluation Kit for CMX724x CMX734x PE0403 2014 CML Microsystems Plc 14 um0403 1 Table 4 LEDs LEDs LED Ref Description D1 Indicates that the digital supply voltage is present...

Страница 15: ...4x PE0403 2014 CML Microsystems Plc 15 um0403 1 5 Circuit Schematics and Board Layouts For clarity circuit schematics are available as separate high resolution files These can be obtained via the CML...

Страница 16: ...Evaluation Kit for CMX724x CMX734x PE0403 2014 CML Microsystems Plc 16 um0403 1 Figure 4 PCB Layout Bottom...

Страница 17: ...r J19 if required Each supply has a test point where it can be monitored see Table 2 Test Points U13 is supplied as an empty footprint for a LP2985IM5 1 8 volt regulator this can be fitted to supply a...

Страница 18: ...nd MOD2 outputs can be accessed by using J14 and J17 respectively Both MOD outputs have the option of using 50 Ohm drivers this can be configured with J13 and J16 for MOD1 and MOD2 respectively To con...

Страница 19: ...he board fit J12 2 3 or disabled remove jumpers from J12 Signal level and gain settings should be selected to ensure the signal level at all stages in the signal processing chain is kept within the re...

Страница 20: ...tions 6 3 1 6 3 2 and 6 3 3 6 3 1 Load Function Image TM via C BUS Use the Function Image Load tab Select Function Image Source C BUS Enter the name of the file containing the Function Image or naviga...

Страница 21: ...724x CMX734x PE0403 2014 CML Microsystems Plc 21 um0403 1 6 3 2 Load Function Image TM from Serial Memory Device Note This option is not supported on PE0403 Figure 7 Function Image Load Tab from Seria...

Страница 22: ...C BUS interface These registers can be programmed using the C BUS Control tab in the PE0002 software 6 4 1 Write to and Read from a Register Write any 16 bit number to register C0 The data transferred...

Страница 23: ...ld be nominally 6 4dB above the level of the input signal 6 4 3 Check Analogue Path and Set Output Gain Configure the CMX7240 CMX7340 with the C BUS register data given in Table 7 Table 7 CMX7240 CMX7...

Страница 24: ...observed at the system clock 1 output TP4 and a frequency of 16 384MHz should be observed at the system clock 2 output TP3 Now write 0xC0C8 to either AC or AE registers to turn off the system clock 1...

Страница 25: ...mage to the evaluation kit Min Max Units Supply V 0V 0 3 9 0 V Supply V 0V 0 3 9 0 V Voltage on any connector pin to VSS 0 3 3 6 V Current into or out of V and VSS pins 0 0 45 A Current into or out of...

Страница 26: ...5 3 3 3 45 V 4V0 3 82 4 0 4 18 V 4V0 3 82 4 0 4 18 V Analogue Parameters Output Impedances MOD1 MOD2 4 51 AUDIO 4 0 1 Input Impedances DISC ALT 4 51 MIC 4 100 k External Clock Input 3 High pulse width...

Страница 27: ...tsoever for any contamination which results from using this product and the onus for checking that the software firmware is virus free is placed on the purchaser of this evaluation kit or development...

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