ADLINK PCI-8124-C - Manual (Page 14)

4 Introduction
1.2 Specifications
Main Chip
 Chip Vendor: ACTEL
 Model No: A3P1000
 Power usage: 3.3V and 1.5V
 Reference clock: 40Mhz
Encoder Counters:
 Number of channels: 4
 Type of wiring: dual differential pairs or single-ended pair
 Input Isolated photo coupler: PS9115
 Isolated Voltage: 2500 Vrms
 Maximum input frequency: 20 MHz (under 4xAB mode)
 Supported modes: AB phase x1/2/4, CW/CCW, OUT/DIR
 Data length: 32-bit
 Digital filter: Yes
 Zero Operation: EZ input
Counter Comparators:
 Number of comparators: 14
 Data length: 32-bit
 Trigger pulse width: 0.1µs to 3.2765ms programmable
Internal Timers:
 Number of timers: 4
 Timer base: 400ns
 Resolution: 14-bit
 Synchronous start signal: TTL input or register setting
 Synchronous stop signal: register setting