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SiPM digital control board netlist
(view source)
Revision as of 18:37, 24 June 2008
531 bytes added
,
18:37, 24 June 2008
→Configuration Pins
:
added SPI variant select pins
Line 156:
Line 156:
=== Configuration Pins ===
=== Configuration Pins ===
−
These pins are used for the programming of the FPGA.
+
These pins are used for the programming of the FPGA
. Many of these pins revert to user I/O pins after programming is complete
.
{| cellspacing=3 border=1 |
{| cellspacing=3 border=1 |
|'''Pin Name'''
|'''Pin Name'''
Line 205:
Line 205:
|EEPROM serial data output
|EEPROM serial data output
|Serial data input from EEPROM - used only in serial [[FPGA programming modes | FPGA programming mode]]
|Serial data input from EEPROM - used only in serial [[FPGA programming modes | FPGA programming mode]]
+
|----
+
|DOUT
+
|Serial data output
+
|''No connection''
+
|Used to daisy chain to next FPGA, if this were a multi-FPGA design<br>We are using only one FPGA per PCB, so this is not used
+
|----
+
|VS0
+
|Variant select pin for SPI mode programming
+
|FPGA programmer
+
| rowspan=3 | See [[FPGA programming modes#SPI mode]]
+
|----
+
|VS1
+
|Variant select pin for SPI mode programming
+
|FPGA programmer
+
|----
+
|VS2
+
|Variant select pin for SPI mode programming
+
|FPGA programmer
+
|----
|}
|}
Underwood
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