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Digital input/output
| Table 10. DIO specifications | ||
|
|
| |
Digital type |
| 82C55 | |
Number of I/O |
| 24 (FIRSTPORTA Bit 0 through FIRSTPORTC Bit 7) | |
Configuration |
| 2 banks of 8 and 2 banks of 4 or | |
|
| 3 banks of 8 or | |
|
| 2 banks of 8 with handshake | |
Input high voltage |
| 2.0 | V min, 5.5 V absolute max |
Input low voltage |
| 0.8 | V max, |
Output high voltage (IOH = |
| 3.0 | V min |
Output low voltage (IOL = 2.5 mA) |
| 0.4 | V max |
| Input mode (high impedance) |
Interrupts
| Table 11. Interrupt specifications |
|
|
Interrupts | PCI INTA# – mapped to IRQn via PCI BIOS at |
Interrupt enable | Programmable. Default = disabled. |
Interrupt sources | Residual sample counter |
| A/D |
| A/D |
| A/D |
| A/D Pacer |
Miscellaneous
Table 12. Micellaneous specifications
+5 Volts
+12 Volts
Available at I\O connector (PC +5V)
Available at I\O connector (PC +12V)
Available at I\O connector (PC
Power consumption
Table 13. Power consumption specifications
+5 V
0.8 A typical, 1.0 A max
Environmental
| Table 14. Environmental specifications |
|
|
Operating temperature range | 0 to 70 °C |
Storage temperature range | |
Humidity | 0 to 95% |
Mechanical
Table 15. Mechanical specifications
Card dimensions
PCI half card: 174.63 mm (L) x 106.86 mm (H) x 14.48 mm (D)
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