3.1.1.10. SIGNALlab 250-12

3.1.1.10.1. Pinout

../../../_images/Red_Pitaya_pinout.jpg

3.1.1.10.2. Technical specifications

Basic

Processor

DUAL CORE ARM CORTEX A9

FPGA

FPGA Xilinx Zynq 7020 SOC

RAM

1 GB (8 Gb)

System memory

Micro SD up to 32 GB

Console connection

USB-C

Power connector

Power Jack RJ45 (PoE version only)

Power consumption

24 V, 0.5 A max


Connectivity

Ethernet

1 Gbit

USB

2 x USB 2.0

WIFI

requires WIFI dongle


RF inputs

RF input channels

2

Sample rate

250 MS/s

ADC resolution

12 bit

Input impedance

1 MOhm

Full scale voltage range

+-1 V/+-20 V (software selectable)

Input coupling

AC / DC (software selectable)

Absolute max. Input voltage range

30 V

Input ESD protection

Yes

Overload protection

Protection diodes

Bandwidth

DC - 60 MHz


RF outputs

RF output channels

2

Sample rate

250 MS/s

DAC resolution

14 bit

Load impedance

50 Ohm

Voltage range

+-2 V / +-10 V (Hi-Z load) (software selectable)

Short circuit protection

Yes

Connector type

BNC

Output slew rate

10 V / 17 ns

Bandwidth

DC - 60 MHz


Extension connector

Digital IOs

16

Analog inputs

4

Analog inputs voltage range

0-3.5 V

Sample rate

100 kS/s

Resolution

12 bit

Analog outputs

4

Analog outputs voltage range

0-1.8 V

Communication interfaces

I2C, SPI, UART

Available voltages

+5 V, +3.3 V, -4 V

external ADC clock

yes


Synchronisation

Trigger input

Through BNC connector

Daisy chain connection

Over SATA connection (up to 500 Mbps)

Ref. clock input

Through SMA connector

Note

For more information, please refer to the Product comparison table.

3.1.1.10.3. Schematics

Note

Red Pitaya board HW FULL schematics are not available. Red Pitaya has an open-source code but not open hardware schematics. Nonetheless, DEVELOPMENT schematics are available. This schematic has information on HW configuration, FPGA pin connection, and similar.

3.1.1.10.4. Mechanical Specifications and 3D Models

3.1.1.10.6. Extension connector SIGNALlab

  • Connector: 2 x 26 pins IDC (M)

  • Power supply:
    • Available voltages: +5 V, +3.3 V, -5.4 V

    • Current limitations: 200 mA for +5 V, 50 mA for +3.3 V (to be shared between extension module and USB devices), 10 mA for -5.4 V supply.

3.1.1.10.6.1. Extension connector E1

  • 3V3 power source

  • 19 single ended or 9 differential digital I/Os with 3.3 V logic levels

Pin

Description

FPGA pin number

FPGA pin description

Voltage levels

1

3V3

2

3V3

3

DIO0_P

W10

IO_L16P_T2_13

3.3V

4

DIO0_N

W9

IO_L16N_T2_13

3.3V

5

DIO1_P

T9

IO_L12P_T1_MRCC_13

3.3V

6

DIO1_N

U10

IO_L12N_T1_MRCC_13

3.3V

7

DIO2_P

Y9

IO_L14P_T2_SRCC_13

3.3V

8

DIO2_N

Y8

IO_L14N_T2_SRCC_13

3.3V

9

DIO3_P

U9

IO_L17P_T2_13

3.3V

10

DIO3_N

U8

IO_L17N_T2_13

3.3V

11

DIO4_P

V8

IO_L15P_T2_DQS_13

3.3V

12

DIO4_N

W8

IO_L15N_T2_DQS_13

3.3V

13

DIO5_P

V11

IO_L21P_T3_DQS_13

3.3V

14

DIO5_N

V10

IO_L21N_T3_DQS_13

3.3V

15

DIO6_P / CAN1_RX

W11

IO_L18P_T2_13

3.3V

16

DIO6_N / CAN1_TX

Y11

IO_L18N_T2_13

3.3V

17

DIO7_P / CAN0_RX

Y12

IO_L20P_T3_13

3.3V

18

DIO7_N / CAN0_TX

Y13

IO_L20N_T3_13

3.3V

19

DIO8_P

Y7

IO_L13P_T2_MRCC_13

3.3V

20

DIO8_N

Y6

IO_L13N_T2_MRCC_13

3.3V

21

DIO9_P

U5

IO_L19N_T3_VREF_13

3.3V

22

+5VUSB3

23

USB2_P

24

USB2_N

25

GND

26

GND

Note

To switch the functionality of DIO6_P, DIO6_N, DIO7_P and DIO7_N from GPIO to CAN, please change the Housekeeping register value at address 0x34. For more information, please reffer to the FPGA register section (this feature is currently under development).

All DIOx_y pins are LVCMOS33, with the following abs. max. ratings:
  • min. -0.40 V

  • max. 3.3 V + 0.55 V

  • <8 mA drive strength

3.1.1.10.6.2. Extension connector E2

  • +5 V, -5.4 V power source

  • SPI, UART, I2C

  • 4 x slow ADCs

  • 4 x slow DACs

  • Ext. clock for fast ADC

Pin

Description

FPGA pin number

FPGA pin description

Voltage levels

1

+5V

2

-4V2

3

SPI (MOSI)

E9

PS_MIO10_500

3.3 V

4

SPI (MISO)

C6

PS_MIO11_500

3.3 V

5

SPI (SCK)

D9

PS_MIO12_500

3.3 V

6

SPI (CS)

E8

PS_MIO13_500

3.3 V

7

UART (TX)

D5

PS_MIO8_500

3.3 V

8

UART (RX)

B5

PS_MIO9_500

3.3 V

9

I2C (SCL)

B9

PS_MIO50_501

3.3 V

10

I2C (SDA)

B13

PS_MIO51_501

3.3 V

11

Ext com.mode

GND (default)

12

GND

13

Analog Input 0

B19, A20

IO_L2P_T0_AD8P_35, IO_L2N_T0_AD8N_35

0-3.5 V

14

Analog Input 1

C20, B20

IO_L1P_T0_AD0P_35, IO_L1N_T0_AD0N_35

0-3.5 V

15

Analog Input 2

E17, D18

IO_L3P_T0_DQS_AD1P_35, IO_L3N_T0_DQS_AD1N_35

0-3.5 V

16

Analog Input 3

E18, E19

IO_L5P_T0_AD9P_35, IO_L5N_T0_AD9N_35

0-3.5 V

17

Analog Output 0

T10

IO_L1N_T0_34

0-1.8 V

18

Analog Output 1

T11

IO_L1P_T0_34

0-1.8 V

19

Analog Output 2

P15

IO_L24P_T3_34

0-1.8 V

20

Analog Output 3

U13

IO_L3P_T0_DQS_PUDC_B_34

0-1.8 V

21

GND

22

GND

23

Ext Adc CLK+

LVDS

24

Ext Adc CLK-

LVDS

25

GND

26

GND

Note

UART TX (PS_MIO08) is output only and must be low level at power-up (no external pull-ups)!

3.1.1.10.7. Other specifications

For all other specifications please refer to the schematics and standard STEMlab 125-14 specs.

Please note that the measurements on inputs and outputs differ from the standard STEMlab 125-14.