PCI7510 datasheet(48/234 Pages) TI

48 / 234 page

3–8

Table 3–3. TPS2221 Control Logic

VD0/VCCD1

VD1/VCCD0

VD2/VPPD1

VD3/VPPD0

VCC

VPP/VCORE

0 V

Hi-Z

3.3 V

0 V

3.3 V

5 V

3.3 V

1.8 V

5 V

0 V

5 V

3.3 V

5 V

1.8 V

Hi-Z

3.3 V

Hi-Z

5 V

Hi-Z

Table 3–4. TPS2211A Control Logic

VD0/VCCD1

VD1/VCCD0

VD2/VPPD1

VD3/VPPD0

VCC

VPP/VCORE

0 V

12 V

0 V

Hi-Z

3.3 V

0 V

3.3 V

12 V

3.3 V

Hi-Z

5 V

0 V

5 V

12 V

5 V

Hi-Z

0 V

12 V

0 V

Hi-Z

3.6.5

Zoomed Video Support

The PCI7510 device allows for the implementation of zoomed video (ZV) for PC Cards. Zoomed video is supported

by setting bit 6 (ZVENABLE) in the card control register (PCI offset 91h, see Section 4.38) on a per-socket function

basis. Setting this bit puts 16-bit PC Card address lines A25–A4 of the PC Card interface in the high-impedance state.

These lines can then transfer video and audio data directly to the appropriate controller. Card address lines A3–A0

can still access PC Card CIS registers for PC Card configuration. Figure 3–4 illustrates a PCI7510 ZV

implementation.

PCI7510 Datasheet(PDF) 48 Page - Texas Instruments

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