What the PCI2040PGE is and where it fits
The Texas Instruments PCI2040PGE is a PCI-DSP bridge controller that connects a digital signal processor subsystem to a PCI bus. It handles the PCI interface logic, configuration space, and bus arbitration, letting the DSP focus on signal processing without managing PCI protocol. The 144-LQFP (20x20 mm) package fits standard PCI add-in card layouts. Dual supply operation at 3.3 V and 5 V means the bridge can sit on either a legacy 5 V PCI bus or a newer 3.3 V bus without external level translators. The 0°C to 70°C commercial temperature range covers office, lab, and indoor industrial equipment — not extended-temperature or outdoor environments.
Lifecycle and sourcing reality
No end-of-life notice or last-time-buy window has been issued. ROHS3 compliant, so it passes EU RoHS requirements without exemption documentation.
Package and handling note
The 144-LQFP body is 20 mm square. No moisture-sensitive level is listed.