ADLINK PCIe-7200 - Manual (Page 10)

Introduction 1
1 Introduction
The PCI-7200, cPCI-7200, and PCIe-7200 are PCI/CompactPCI/
PCI Express® form factor high-speed digital I/O cards, consisting
of 32 digital input channels, and 32 digital output channels. High
performance design and state-of-the-art technology make this
card suitable for high-speed digital input and output applications.
The 7200 series performs high-speed data transfers using bus-
mastering DMA via the 32-bit PCI bus architecture. The maximum
data transfer rates can be up to 12MB per second - very suitable
for interfacing high-speed peripherals with your computer system.
Several different digital I/O operation modes are supported:
1. Direct Program Control: the digital inputs and outputs
can be accessed and controlled by its corresponding I/O
ports directly.
2. Timer Pacer Mode: the digital input and output opera-
tions are handled by internal timer pacer clock and trans-
ferred by bus mastering DMA.
3. External Clock Mode: the digital input operations are
handled by an external input strobe signal (I_REQ) and
transferred by bus mastering DMA.
4. Handshaking: through the REQ and ACK signals, digi-
tal I/O data can utilize simple handshaking data transfer.
1.1 Applications
 Interface to high-speed peripherals
 High-speed data transfers from other computers
 Digital I/O control
 Interface to external high-speed A/D and D/A converter
 Digital pattern generator
 Waveform and pulse generation