Omega-engineering DIGITAL INPUT/OUTPUT PCI-DIO96 Manuale Utente Scaricare il pdf (Pagina 21)

6 SPECIFICATIONS

Power Consumption

150 mA max +5V

Digital Input / Output

User installed. Dual footprint allows pull-up

or pull-down configuration

Pull-Up/Pull-Down Resistors

Input mode (high impedance)Power-up / reset state

0.8 volts max, −0.5 volts absolute min

Input Low

2.0 volts min, 5.5 volts absolute maxInput High

0.4 volts max @ 2.5mAOutput Low

3.0 volts min @ −2.5mA

Output High

• 2 banks of 8 and 2 banks of 4, or

• 3 banks of 8, or

2 banks of 8 with handshake

Configuration per 82C55

96Number of I/O

Four 82C55 Digital Type

Counter Section

Output:

Gate

Source:

Counter 3

- Not used

Output: Selectable Interrupt source

Gate: Tied to +5V

Source: Counter 1 OUT

Counter 2

Output: Selectable Interrupt source

Gate: Tied to +5V

Source: 2 MHz (crystal osc./8)

Counter 1

3 counters, 16 bits eachConfiguration

82C54Counter type

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 30 31

Nessun commento

Omega-engineering DIGITAL INPUT/OUTPUT PCI-DIO96 Manuale Utente Pagina 21