Reference: CMV2000-datasheet-v3.8

CMV2000 v3 Datasheet

Page 5 of 63

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Table of Contents

1 Introduction ...........................................................................................................................................................8

1.1 Overview .......................................................................................................................................................................8

1.2 Features ........................................................................................................................................................................8

1.3 Specifications ................................................................................................................................................................8

1.4 Connection diagram .....................................................................................................................................................9

2 Sensor architecture ..............................................................................................................................................10

2.1 Pixel array....................................................................................................................................................................10

2.2 Analog front end.........................................................................................................................................................11

2.3 LVDS block...................................................................................................................................................................11

2.4 Sequencer ...................................................................................................................................................................11

2.5 SPI interface ................................................................................................................................................................11

2.6 Temperature sensor...................................................................................................................................................11

3 Driving the CMV2000 ...........................................................................................................................................13

3.1 Supply settings............................................................................................................................................................13

3.2 Biasing .........................................................................................................................................................................13

3.3 Digital input pins.........................................................................................................................................................13

3.4 Electrical IO specifications .........................................................................................................................................14

3.4.1 Digital I/O CMOS/TTL DC specifications (see pin list for specific pins) .......................................................14

3.4.2 TIA/EIA-644A LVDS driver specifications (OUTx_N/P, OUTCLK_N/P, OUTCTR_N/P) ................................14

3.4.3 TIA/EIA-644A LVDS receiver specifications (LVDS_CLK_N/P)......................................................................14

3.5 Input clock...................................................................................................................................................................15

3.6 Frame rate calculation ...............................................................................................................................................15

3.7 Start-up sequence ......................................................................................................................................................16

3.8 Reset sequence...........................................................................................................................................................17

3.9 SPI programming ........................................................................................................................................................18

3.9.1 SPI write ..........................................................................................................................................................18

3.9.2 SPI read............................................................................................................................................................19

3.10 Requesting a frame ....................................................................................................................................................19

3.10.1 Internal exposure control ..............................................................................................................................19

3.10.2 External exposure time ..................................................................................................................................20

4 Reading out the sensor ........................................................................................................................................21

4.1 LVDS data outputs ......................................................................................................................................................21

4.2 Low-level pixel timing ................................................................................................................................................21

4.3 Read-out timing ..........................................................................................................................................................22

4.3.1 10 bit mode.....................................................................................................................................................22