PCI1221 datasheet(3/123 Pages) TI

3 / 123 page

PCI1221 GHK/PDV

PC CARD CONTROLLERS

SCPS042 – JULY 1998

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

system block diagram

A simplified block diagram of the PCI1221 is provided below. The PCI interface includes all address/data and

control signals for PCI protocol. The interrupt interface includes terminals for parallel PCI, parallel ISA, and

serialized PCI and ISA signaling. Miscellaneous system interface terminals include multifunction terminals:

SUSPEND, RI_OUT/PME (power management control signal), and SPKROUT.

PCI Bus

PCI1221

Activity LED’s

PCI950

IRQSER

Deserializer

IRQSER

Interrupt

Controller

INTA

INTB

IRQ2–15

PCI930

ZV Switch

PC Card

Socket A

TPS2206

Power

Switch

PC Card

Socket B

External ZV Port

VGA

Controller

Audio

Sub-System

Zoom Video

NOTE: The PC Card interface is 68 pins for CardBus and 16-bit PC Cards. In zoomed-video mode 23 pins are used for routing the zoomed

video signals to the VGA controller.

PCI1221 数据表(PDF) 3 Page - Texas Instruments

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