SiPM digital control board netlist

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Overview

This page contains a listing of the pins of all major ICs that will be used in the SiPM digital control board, sorted by what they will be connected to. This list is mostly complete, but will be expanded and corrected as the project progresses.

To see connections in reference to available power supply voltages, see SiPM digital control board power supplies.

Legend

The following table describes the ICs as they are referenced on this page. Clicking a component name will bring you to the component's datasheet.

IC Name Description
AD7928 8 channel analog-to-digital converter
AD5535 32 channel digital-to-analog converter
AD7314 10-bit temperature sensor
CP2201 Ethernet controller
XCF01S Xilinx Platform Flash EEPROM, Model XCF01S
XC3S50A Xilinx Spartan-3A field programmable gate array (FPGA)

FPGA Connections

This section defines some pins that must be on the FPGA, and what they must connect to. Many of these connections may also be found in the IC netlist.

User I/O pins

For these I/O pins, "Pin Name" defines the name of the pins as they will be used for our project, not the actual pin name in the FPGA schematic. The physical FPGA pins used for each of these connections will be determined later to optimize the circuitry around the FPGA.

Pin Name Description Connect To
CLK_OUT 5MHz clock output subdivded from main 20MHz clock AD7314 pin 3, AD7928 pin 1, AD5535 pin P9
ETH_INT Ethernet interrupt request pin CP2201 pin 25
ETH_CS Ethernet chip select CP2201 pin 24
ETH_RD Ethernet read strobe CP2201 pin 22
ETH_WR Ethernet write strobe CP2201 pin 23
ETH_AD0 Ethernet address/data bus CP2201 pin 11
ETH_AD1 Ethernet address/data bus CP2201 pin 12
ETH_AD2 Ethernet address/data bus CP2201 pin 13
ETH_AD3 Ethernet address/data bus CP2201 pin 14
ETH_AD4 Ethernet address/data bus CP2201 pin 15
ETH_AD5 Ethernet address/data bus CP2201 pin 16
ETH_AD6 Ethernet address/data bus CP2201 pin 17
ETH_AD7 Ethernet address/data bus CP2201 pin 18
ETH_ALE Ethernet ALE strobe CP2201 pin 21
TEMP_CE Temperature sensor enable AD7314 pin 2
TEMP_IN Input from temperature sensor AD7314 pin 5
DAC_OUT Serial output to DAC AD5535 pin P8
ADC_OUT Serial output to ADC AD7928 pin 2
ADC_IN Serial input from ADC AD7928 pin 18
ADC_CS Chip select for ADC AD7928 pin 3
ID0 Board identifier bit 0 Backplane
ID1 Board identifier bit 1 Backplane
ID2 Board identifier bit 2 Backplane
ID3 Board identifier bit 3 Backplane
ID4 Board identifier bit 4 Backplane
ID5 Board identifier bit 5 Backplane
ID6 Board identifier bit 6 - not used - tied to ground Backplane
ID7 Board identifier bit 7 - not used - tied to ground Backplane

Configuration Pins

These pins are used for the programming of the FPGA. Many of these pins revert to user I/O pins after programming is complete.

We will be using the master serial (Platform Flash) programming mode (see FPGA programming modes). Configuration pins not used in this mode are omitted from the table below. The connections that are in the table are also visually described on page 16 of the XCF01S data sheet.

Pin Name Description During Programming
Connect To 		After Programming
Connect To 		Notes
M0 Mode select pin for configuration Ground User I/O Should be <0:0:0> during configuration to indicate master serial mode

See FPGA programming modes

M1 Mode select pin for configuration Ground User I/O
M2 Mode select pin for configuration Ground User I/O
DONE Programming complete pin XCF01S CE, pin 10 XCF01S CE, pin 10 Goes high when programming is complete
PROG_B Initiates programming process XCF01S CF, pin 7 XCF01S CF, pin 7 Low causes master reset of FPGA
High initiates programming after reset
Should be high for normal operation
CCLK Clock for programming XCF01S CLK, pin 3 User I/O If M[2:0] define a master mode, CCLK is internally generated
If M[2:0] define a slave mode, CCLK is a clock input
INIT_B Programming status indicator XCF01S OE/RESET, pin 8 User I/O, or high or low Before programming, low indicates internal memory is being cleared
During programming, low indicates CRC error
After programming, should be driven high or
low if not used for user I/O
PUDC_B User I/O pull-up control ??? User I/O Set low during programming to enable pull-ups on all user I/O pins
after configuration
DIN Serial data input XCF01S D0, pin 1 User I/O Serial data input from XCF01S
DOUT Serial data output No connection User I/O Used to daisy chain to next FPGA, if this were a multi-FPGA design
We are using only one FPGA per PCB, so this is not used

IC netlist

This table lists the pins on the four main ICs and shows what they should be connected to. For the FPGA pin connections, see the next section.

IC Pin # Pin Name Connect To Notes
AD5535 N3 CATHODE AD7928 Vin6 and resistor to ground Cathode of internal diode for temperature monitoring
AD5535 N4 ANODE +3.3V rail Anode of internal diode for temperature monitoring
AD7314 3 SCLK Clock, 5 MHz, FPGA CLK_OUT Clock input for serial data output control
AD7928 1 SCLK Clock, 5 MHz, FPGA CLK_OUT Used for reading data and conversion
AD5535 P9 SCLK Clock, 5 MHz, FPGA CLK_OUT
CP2201 27 XTAL2 Clock, 20MHz Crystal, Excitation Driver Input
CP2201 28 XTAL1 Clock, 20MHz Crystal, Output
CP2201 25 INT FPGA Interrupt service request
CP2201 24 CS FPGA Chip select
CP2201 22 RD FPGA Read strobe
CP2201 23 WR FPGA Write strobe
CP2201 11 AD0 FPGA Address/data bit
CP2201 12 AD1 FPGA Address/data bit
CP2201 13 AD2 FPGA Address/data bit
CP2201 14 AD3 FPGA Address/data bit
CP2201 15 AD4 FPGA Address/data bit
CP2201 16 AD5 FPGA Address/data bit
CP2201 17 AD6 FPGA Address/data bit
CP2201 18 AD7 FPGA Address/data bit
CP2201 21 ALE FPGA ALE Strobe
AD7314 2 CS (CE) FPGA Chip select
AD7314 5 SDO FPGA Serial data output
AD7314 6 SDI Ground Serial data in - will not be used
AD5535 P8 DIN FPGA Serial data input, must be valid at falling edge of SCLK
AD7928 2 DIN FPGA Data in
AD7928 3 CS FPGA Chip select
AD7928 18 DOUT FPGA Serial data out - see spec sheet for details
AD7314 7 ID FPGA? Identifies chip in SPI bus system
AD5535 P10 SYNC FPGA? Frame synchronization signal. Data transferred when low
CP2201 2 AGND Ground
CP2201 9 DGND1 Ground
CP2201 20 DGND2 Ground
CP2201 26 MOTEN Ground Ground indicates Intel bus format
AD7314 4 GND Ground
AD5535 H4 AGND Ground
AD5535 H5 AGND Ground
AD5535 H6 AGND Ground
AD5535 H7 AGND Ground
AD5535 H8 AGND Ground
AD5535 H9 AGND Ground
AD5535 H10 AGND Ground
AD5535 H11 AGND Ground
AD5535 J3 AGND Ground
AD5535 J4 AGND Ground
AD5535 J5 AGND Ground
AD5535 J6 AGND Ground
AD5535 J7 AGND Ground
AD5535 J8 AGND Ground
AD5535 J9 AGND Ground
AD5535 J10 AGND Ground
AD5535 J11 AGND Ground
AD5535 J12 AGND Ground
AD5535 K3 AGND Ground
AD5535 K4 AGND Ground
AD5535 K5 AGND Ground
AD5535 K6 AGND Ground
AD5535 K7 AGND Ground
AD5535 K8 AGND Ground
AD5535 K9 AGND Ground
AD5535 K10 AGND Ground
AD5535 K11 AGND Ground
AD5535 K12 AGND Ground
AD5535 K13 AGND Ground
AD5535 K14 AGND Ground
AD5535 L3 AGND Ground
AD5535 L4 AGND Ground
AD5535 L5 AGND Ground
AD5535 L6 AGND Ground
AD5535 L7 AGND Ground
AD5535 L8 AGND Ground
AD5535 L9 AGND Ground
AD5535 L10 AGND Ground
AD5535 L11 AGND Ground
AD5535 L12 AGND Ground
AD5535 L13 AGND Ground
AD5535 L14 DAC_GND Ground
AD5535 M1 AGND Ground
AD5535 M2 AGND Ground
AD5535 M3 AGND Ground
AD5535 M4 AGND Ground
AD5535 M5 AGND Ground
AD5535 M6 AGND Ground
AD5535 M7 AGND Ground
AD5535 M8 AGND Ground
AD5535 M9 AGND Ground
AD5535 M10 AGND Ground
AD5535 M11 AGND Ground
AD5535 M12 AGND Ground
AD5535 N1 PGND Ground Output amplifier ground reference
AD5535 N2 PGND Ground
AD5535 N5 AGND Ground
AD5535 N6 AGND Ground
AD5535 N7 AGND Ground
AD5535 N8 AGND Ground
AD5535 N9 AGND Ground
AD5535 N10 AGND Ground
AD5535 N11 AGND Ground
AD5535 N12 AGND Ground
AD5535 N13 AGND Ground
AD5535 N14 AGND Ground
AD5535 P3 DAC_GND Ground
AD5535 P6 DGND Ground
AD5535 P11 AGND Ground
AD5535 P12 AGND Ground
AD5535 P13 AGND Ground
AD7928 4 AGND Ground
AD7928 8 AGND Ground
AD7928 17 AGND Ground
AD7928 20 AGND Ground
CP2201 10 RST High/low switch Resets controller when low for 15us
AD5535 P4 RESET High/low switch Resets controller when low
AD5535 P7 TEST High/low switch Should be LOW when not testing
AD7314 1 NC No connection
AD5535 A1 NC No connection
AD5535 A14 NC No connection
AD5535 P1 NC No connection
AD5535 P14 NC No connection
AD7928 19 VDRIVE Power supply, 3.3V Sets voltage at which DOUT operates
AD5535 P2 REF_IN Power supply, 1 to 4V Programs full scale output from 50-200V
AD7928 7 REF_IN Power supply, 2.5V Must be accurate to +/-1%
AD7314 8 VDD Power Supply, 2.65 to 5.5V
AD5535 P5 DVCC Power supply, 2.7 to 5.25V Digital supply pin
AD7928 5 AVDD Power supply, 2.7 to 5.25V Should be 4.75 to 5.25V for 0 to 2xREF_IN range
AD7928 6 AVDD Power supply, 2.7 to 5.25V Should be 4.75 to 5.25V for 0 to 2xREF_IN range
CP2201 3 AV+ Power Supply, 3.1 to 3.6V
CP2201 8 VDD1 Power Supply, 3.1 to 3.6V
CP2201 19 VDD2 Power Supply, 3.1 to 3.6V
AD5535 K1 V+ Power supply, 4.75 to 5.25V Amplifier supply pin
AD5535 K2 V+ Power supply, 4.75 to 5.25V Amplifier supply pin
AD5535 M13 AVCC Power supply, 4.75 to 5.25V Analog supply pin
AD5535 M14 AVCC Power supply, 4.75 to 5.25V Analog supply pin
AD5535 L1 V- Power supply, -4.75 to -5.25V Amplifier supply pin
AD5535 L2 V- Power supply, -4.75 to -5.25V Amplifier supply pin
AD5535 H1 VFF Power supply, high voltage Range can be REF_INx50 + anywhere from 10 to 225V
CP2201 4 RX- RJ-45 Connector, Negative Receive Wire
CP2201 7 TX- RJ-45 Connector, Negative Transmit Wire
CP2201 5 RX+ RJ-45 Connector, Positive Receive Wire
CP2201 6 TX+ RJ-45 Connector, Positive Transmit Wire
AD5535 A2 Vout1 SiPM Bias Voltage Input
AD5535 A4 Vout7 SiPM Bias Voltage Input
AD5535 A6 Vout11 SiPM Bias Voltage Input
AD5535 A8 Vout18 SiPM Bias Voltage Input
AD5535 A10 Vout20 SiPM Bias Voltage Input
AD5535 A12 Vout25 SiPM Bias Voltage Input
AD5535 B1 Vout0 SiPM Bias Voltage Input
AD5535 B3 Vout4 SiPM Bias Voltage Input
AD5535 B5 Vout9 SiPM Bias Voltage Input
AD5535 B7 Vout13 SiPM Bias Voltage Input
AD5535 B9 Vout17 SiPM Bias Voltage Input
AD5535 B11 Vout21 SiPM Bias Voltage Input
AD5535 B13 Vout26 SiPM Bias Voltage Input
AD5535 C2 Vout3 SiPM Bias Voltage Input
AD5535 C12 Vout22 SiPM Bias Voltage Input
AD5535 C14 Vout29 SiPM Bias Voltage Input
AD5535 D1 Vout2 SiPM Bias Voltage Input
AD5535 D13 Vout23 SiPM Bias Voltage Input
AD5535 E2 Vout5 SiPM Bias Voltage Input
AD5535 E4 Vout8 SiPM Bias Voltage Input
AD5535 E6 Vout12 SiPM Bias Voltage Input
AD5535 E8 Vout15 SiPM Bias Voltage Input
AD5535 E10 Vout19 SiPM Bias Voltage Input
AD5535 E12 Vout24 SiPM Bias Voltage Input
AD5535 E14 Vout31 SiPM Bias Voltage Input
AD5535 F3 Vout6 SiPM Bias Voltage Input
AD5535 F5 Vout10 SiPM Bias Voltage Input
AD5535 F7 Vout14 SiPM Bias Voltage Input
AD5535 F9 Vout18 SiPM Bias Voltage Input
AD5535 F13 Vout30 SiPM Bias Voltage Input
AD5535 G14 Vout28 SiPM Bias Voltage Input
AD5535 H13 Vout27 SiPM Bias Voltage Input
AD7928 16 Vin0 +1.2V rail See SiPM digital control board power supplies
AD7928 15 Vin1 +2.5V rail
AD7928 14 Vin2 +3.3V rail
AD7928 13 Vin3 +5V rail
AD7928 12 Vin4 -5V rail
AD7928 11 Vin5 Cathode of AD5535 temperature diode
AD7928 10 Vin6 ??? Should be used for any other voltage that must be monitored
AD7928 9 Vin7 ??? Should be used for any other voltage that must be monitored
CP2201 1 LA Backplane to external LED (outside of the tagger) LED will be connected outside of the tagger
to keep the chamber as dark as possible
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