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1. Introduction
1.1 General Description
The OME-A-8111 is a high performance, multifunction (analog and digital I/O) board
for the PC AT compatible computer with the ISA bus. The OME-A-8111 provides
programmable gain (1, 2, 4, 8 and 16). The OME-A-8111 contains a 12-bit ADC with up to 8
single-ended analog inputs. The maximum sample rate of the A/D converter is about 30K
sample/sec. There is a 12-bit DAC with voltage outputs, 16 channels of TTL-compatible
digital input, and 16 channels of TTL-compatible digital output.
1.2 Features
z The maximum sample rate of the A/D converter is about 30 K sample/sec
z Software selective input ranges
z PC AT compatible ISA bus
z A/D trigger mode: software trigger, pacer trigger
z 8 single-ended analog input channels:
Programmable gain: 1, 2, 4, 8, 16
Input range: ±5 V, ±2.5 V, ±1.25 V, ±0.625 V, ±0.3125 V
z 1 output channel: 12-bit D/A voltage output, 0~5 V or 0~10 V
z 16 digital inputs /16 digital outputs (TTL compatible)
z Interrupt handling
OME-A-8111 Hardware Manual (ver.1.1, Jul/2003) 4