CL-PD6722 datasheet(20/128 Pages) CIRRUS

20 / 128 page

PRELIMINARY DATA SHEET v3.1

CL-PD6710/’22

ISA–to–PC-Card Host Adapters

May 1997

PIN INFORMATION

Table 2-4.

Power Control Pins

Pin Name

Description

Pin Number

Qty

I/O

Pwr.

Drive

CL-PD6710

CL-PD6722

Socket A

Socket B

VPP_VCC

This output is used to enable the

socket VCC supply onto the VPP pin.

This pin is mutually exclusive with

VPP_PGM.

205

VPP_PGM

This output is used to enable the pro-

gramming voltage supply onto the VPP

pin. This pin is mutually exclusive with

VPP_VCC.

204

-VCC_3

This output is used to enable a 3.3V

supply onto the VDD socket. This pin is

mutually exclusive with -VCC_5.

206

-VCC_5

This output is used to enable a 5V sup-

ply onto the VDD socket. This pin is

mutually exclusive with -VCC_3.

207

Table 2-5.

Power and Ground Pins

Pin Name

Description

Pin Number

Qty.

I/O

Pwr.

Drive

CL-PD6710

CL-PD6722

+5V

This pin is connected to the system’s 5-volt

power supply. In systems where 5 volts is not

available, this pin can be connected to the

system’s 3.3-volt supply (but 5-volt-only PC

Cards will not be supported).

208

PWR

–

CORE_VDD

This pin provides power to the core circuitry of

the CL-PD67XX. It can be connected to either

a 3.3- or 5-volt power supply, independent of

the operating voltage of other interfaces. For

power conservation on a system with a 3.3-

volt supply available, this pin should be con-

nected to the 3.3-volt supply even if there is no

intention of operating other interfaces on the

device at less than 5 volts.

16, 91

27, 133

PWR

–

GND

All ground pins should be connected to sys-

tem ground.

20, 54, 72, 78,

128, 133

31, 70, 79,

111, 140, 192

GND

–

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