PCI-QUAD04 User's Guide
Specifications
Counter
Table 3. Counter specifications
Counter type
LS7266R1 24-bit Dual-axis Quadrature Counter
Quadrature mode:
Clock
frequency
1.2 MHz max.
Separation
100 ns min.
Clock pulse width
400 ns min.
Index pulse width
300ns min.
Count mode:
Clock frequency
30 MHz max, (25 MHz max Mod-N mode)
Clock A - high pulse width
14 ns min.
Clock A - low pulse width
14 ns min.
Filter clock (FCK)
10 MHz
Digital filter rate
10 MHz, software selectable divider (1 to 256 in single steps)
Crystal oscillator (FCK source):
Frequency
10
MHz
Frequency
accuracy 100
ppm
Interrupt controller
Table 4. Interrupt controller specifications
Controller type
8259 Programmable Interrupt Controller
Configuration
Polled mode only
Interrupts
2, 3, 5, 7, 10, 11, 12 and 15
Interrupt enable
Programmable
Interrupt sources
All Carry/Borrow outputs from LS7266R1, all Index inputs
Environmental
Table 5. Environmental specifications
Operating temperature range
0 to 70 °C
Storage temperature range
-40 to 100 °C
Humidity
0 to 90% non-condensing
4-2
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