The PCI1251A GFN/GJG PC CARD CONTROLLER is a PCI interface PC card controller produced by TI. It supports 5V/3.3V PC Card16 cards and 3.3V CardBus cards, supports hot plugging, supports PCI and CardBus burst transfers, supports PCI and ISA interrupts, supports Zoom video, supports 4 general-purpose I/Os, and supports each socket with a separate configuration space.
The Texas Instruments PCI1251A GFN/GJG is a high-performance PC Card controller featuring a 32-bit PCI interface. It supports two independent PC Card sockets compliant with the 1997 PC Card Standard, handling both 16-bit and 32-bit CardBus cards powered at 5V or 3.3V. The device is designed for bridging between PCI and PC Cards in notebook and desktop computers.
| PCI Interface | 32-bit PCI interface |
|---|---|
| PC Card Support | Two independent sockets |
| PCI Compliance | PCI Local Bus Specification Revision 2.2 |
| PC Card Standard | 1997 PC Card Standard |
| Voltage Compatibility | 3.3-V Core Logic |
| Throughput | Greater than 130M-Bytes-Per-Second |
| Interrupt Support | Serialized Interrupt request |
The device is compliant with the PCI Local Bus Specification 2.2, the 1997 PC Card Standard, and the PC 99 Standard.
Yes, it supports any combination of 16-bit and CardBus PC Cards in the two sockets.