IBM pc-card das16 User Manual

Double buffered output latches 
Coding: Offset Binary (0 code = -FS, 65535 code = +FS) 

Miscellaneous 

Output voltage on power up and reset: -10 V (-FS) 

Table 9. DIO specifications 

Digital type 

FPGA 

Number of I/O 

4  

Configuration 

One port, programmable 
4 input or 4 output 

Input low voltage 

0.8 V max 

Input high voltage 

2.0 V min 

Output low voltage (IOL = 4 mA) 

0.32 V max 

Output high voltage (IOH = -4 mA) 

3.86 V min  

Power-up / reset state 

Input mode (high impedance) 

Table 10. Interrupt specifications 

Interrupts 

Programmable: Levels 2 – 15 

Interrupt enable 

Programmable. Default = disabled. 
External (External Interrupt) 
A/D End-of-channel-scan 
A/D FIFO-not-empty 
A/D FIFO-half-full 

Interrupt sources 

A/D Pacer 

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