Difference between revisions of "VFAT readout electronics"
Jump to navigation
Jump to search
| Line 15: | Line 15: | ||
| A1 || DVDD || +2.5V | | A1 || DVDD || +2.5V | ||
|- | |- | ||
| − | | B2 || SDA || I2C Data | + | | B2 || SDA || I2C Data || Green/Yellow |
|- | |- | ||
| − | | A2 || SCL || I2C Clock | + | | A2 || SCL || I2C Clock || Yellow/Green |
|- | |- | ||
| B3 || DGND || Digital Ground || Black/Grey (shared) | | B3 || DGND || Digital Ground || Black/Grey (shared) | ||
| Line 53: | Line 53: | ||
| A24 || AVDD || 2.5V | | A24 || AVDD || 2.5V | ||
|- | |- | ||
| − | | B25 || AGNDD || Analog Ground?? | + | | B25 || AGNDD || Analog Ground?? || Grey/Black |
|- | |- | ||
| A25 || AVDD || 2.5V | | A25 || AVDD || 2.5V | ||
Revision as of 23:56, 13 June 2007
A VFAT board from CERN is evaluated for use as a readout board to convert the GEM output analog signal to a digital signal.
Ribbon cable pinouts
| # | Name | Value | Test rig color Primary/Second |
| B1 | DGND | Digital Ground | Black/Grey (shared) |
| A1 | DVDD | +2.5V | |
| B2 | SDA | I2C Data | Green/Yellow |
| A2 | SCL | I2C Clock | Yellow/Green |
| B3 | DGND | Digital Ground | Black/Grey (shared) |
| A3 | DVDD | +2.5V?? | |
| B4 | |||
| A4 | |||
| B5 | I2C ADDR | I2C Address (most or least significant??) | |
| A5 | I2C ADDR | I2C Address (most or least significant??) | |
| B6 | I2C ADDR | I2C Address (most or least significant??) | |
| A6 | REH-S | Soft Reset (Program saved) | |
| B7 | |||
| A7 | REH-B | Hard Reset | |
| .............. | |||
|---|---|---|---|
| B22 | DGND | Digital Ground?? | |
| A22 | SCAN E | ||
| B23 | AGND | Analog Ground | |
| A23 | AVDD | 2.5V | |
| B24 | AGND | Analog Ground | |
| A24 | AVDD | 2.5V | |
| B25 | AGNDD | Analog Ground?? | Grey/Black |
| A25 | AVDD | 2.5V | |