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TXMC638 User Manual Issue 1.0.2
Page 5 of 86
Board Configuration Controller (BCC – FPGA) .........................................................................35
7.5
Clocking .........................................................................................................................................36
7.6
7.6.1
FPGA Clock Sources..............................................................................................................36
7.6.2
Si514 Free Programming Clock source..................................................................................38
Back I/O Interface..........................................................................................................................39
7.7
Memory ..........................................................................................................................................41
7.8
7.8.1
DDR3 SDRAM ........................................................................................................................41
7.8.2
SPI-Flash ................................................................................................................................44
7.8.3
I2C - EEPROM........................................................................................................................44
7.8.3.1
I2C Calibration Data ..........................................................................................................44
7.8.3.2
ADC Calibration Data Values ............................................................................................45
7.8.3.3
ADC Data Correction Formula...........................................................................................46
Serial ADC Interface......................................................................................................................47
7.9
7.9.1
Overview .................................................................................................................................47
7.9.2
ADC digital Output Coding......................................................................................................48
7.9.3
User FPGA Pinning.................................................................................................................49
7.9.4
Programming Hints LTC2323-16 ............................................................................................53
AC coupled differential Inputs.....................................................................................................54
7.10
Serial Number Allocation .............................................................................................................55
7.11
7.11.1
Device Addressing and Operation ..........................................................................................55
7.11.2
Read Operation.......................................................................................................................56
7.11.3
Write Operation.......................................................................................................................56
On-Board Indicators .....................................................................................................................57
7.12
Thermal Management ...................................................................................................................58
7.13
8
DESIGN HELP ............................................................................................................ 59
Board Reference Design ..............................................................................................................59
8.1
9
INSTALLATION .......................................................................................................... 60
I/O Interface ...................................................................................................................................60
9.1
9.1.1
Front I/O - ADC Analog Input Level ........................................................................................60
9.1.2
Front I/O – AC coupled differential Inputs ..............................................................................62
9.1.3
Back I/O Interface ...................................................................................................................62
FPGA JTAG Connector.................................................................................................................63
9.2
10
PIN ASSIGNMENT – I/O CONNECTOR ..................................................................... 64
Overview ........................................................................................................................................64
10.1
X1 Front Panel I/O Connector ......................................................................................................65
10.2
10.2.1
Connector Type ......................................................................................................................65
10.2.2
Pin Assignment .......................................................................................................................65
Back I/O XMC Connector P14 ......................................................................................................67
10.3
10.3.1
Connector Type ......................................................................................................................67
10.3.2
Pin Assignment .......................................................................................................................67
P16 Back I/O Connector ...............................................................................................................69
10.4
10.4.1
Connector Type ......................................................................................................................69
10.4.2
Pin Assignment .......................................................................................................................69
X4 FPGA JTAG Header.................................................................................................................70
10.5
10.5.1
Connector Type ......................................................................................................................70
10.5.2
Pin Assignment .......................................................................................................................70
11
APPENDIX A............................................................................................................... 71