PD6710 データシートの表示（PDF） - Intel

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PD6710

ISA-to-PC-Card (PCMCIA) Controllers

Intel 

ISA-to-PC-Card (PCMCIA) Controllers — PD6710/’22

Table 5. Power and Ground Pins

Pin Name

Description

Pin Number

PD6710

PD6722

Qty. I/O Pwr. Drive

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

power supply. In systems where 5 volts is not

+5V

available, this pin can be connected to the

1

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

Cards will not be supported).

208

1 PWR –

–

CORE_VDD

This pin provides power to the core circuitry of

the 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 connected 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

2 PWR –

–

GND

All ground pins should be connected to system 20, 54, 72, 78, 31, 70, 79,

ground.

128, 133 111, 140, 192

6 GND

–

–

Table 6 below summarizes the pin usage.

Table 6. Pin Usage Summary

Pin Group

ISA bus interface pins

Socket interface pins

General-purpose strobe pins

Voltage sense pins

N/C

Power control pins

Power and ground pins

Total:

Pin Quantity

PD6710

69

60

0

1

1

4

9

144

PD6722

69

120

2

0

0

8

9

208

3.4

Power-On Configuration Summary

On the rising edge of PWRGOOD, the PD67XX latches the configuration pin SPKR_OUT*/

C_SEL to determine which sockets are addressed by this device. A ‘1’ on the SPKR_OUT*/

C_SEL pin will cause the device to address Socket 0 (and Socket 1 for the PD6722). A ‘0’ on this

pin will cause the device to address Socket 2 (and Socket 3 for the PD6722).

Datasheet

25

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