1,004
edits
Changes
Jump to navigation
Jump to search
Line 58:
Line 58: − + − + Line 337:
Line 337: − + − + Line 637:
Line 637: − + Line 690:
Line 690: − + − + − + − + Line 714:
Line 714: − + − + Line 747:
Line 747: − + Line 762:
Line 762: − + Line 772:
Line 772: − +
Digital control board documentation (view source)
Revision as of 20:22, 20 August 2010
, 20:22, 20 August 2010→Channel Descriptions
| SPI chip select for ADC
| SPI chip select for ADC
|-
|-
| P4 || SPI || SPI_SDO
| P4 || SPI || SPI_SDI
| '''Erroneously wired SPI bus trace'''<br>Now connects to SDO on temp. sensor and on ADC
| '''Corrected
|-
|-
| P5 || CLK_5MHZ || SPI_SCLK
| P5 || CLK_5MHZ || SPI_SCLK
|
|
|-
|-
| P97 || (former AD7928/DOUT) ||
| P97 || SPI_SDI ||
| '''Erroneously wired ADC SPI bus connection'''<br>Connects to DOUT on ADC
| '''Corrected
|-
|-
| P98 || AD5535/RESET || DAC_iRst
| P98 || AD5535/RESET || DAC_iRst
| C16
| C16
| B31
| B31
| 31
| GAINMODE
|-
|-
| 19
| 19
| H13
| H13
| B16
| B16
| B32
| B30
| 32
| 30
|-
|-
| 28
| 28
| G14
| G14
| B15
| B15
| B30
| B27
| 30
| 27
|-
|-
| 29
| 29
| E14
| E14
| C14
| C14
| B27
| Not connected
| 27<br>DACHEALTH<br>See [[#Channel Descriptions | ADC Channel Descriptions]].
| No amplifier connection<br>DACHEALTH<br>See [[#Channel Descriptions | ADC Channel Descriptions]].
|}
|}
| 15
| 15
| AD5535/CATHODE
| AD5535/CATHODE
| This is the thermal diode output from the DAC. Should read 4.35V (typical) at 25°C. Drops 2.20mV/°C.
| This is the thermal diode output from the DAC. Should read 4.35V (typical) at 25°C. Drops -2.20mV/°C.
|-
|-
| VIN2
| VIN2
| 12
| 12
| ADC_EXT1
| ADC_EXT1
| This trace routes to the backplane via Eurocard pin A7. It is intended to measure the output of thermistor on the amplifier board.
| This trace routes to the backplane via Eurocard pin A8. It is intended to measure one of the transistor base voltages on the amplifier board.
|-
|-
| VIN5
| VIN5
| 10
| 10
| ADC_EXT2
| ADC_EXT2
| This trace routes to the backplane via Eurocard pin A8. It is intended to measure one of the transistor base voltages on the amplifier board.
| This trace routes to the backplane via Eurocard pin A7. It is intended to measure the output of thermistor on the amplifier board.
|-
|-
| VIN7
| VIN7