CL-PS6700-VC-A 데이터 시트보기 (PDF) - Cirrus Logic

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CL-PS6700-VC-A

Low-Power PC Card Controller for the CL-PS7111

Cirrus Logic 

CL-PS6700

Low-Power PC Card Controller

4.6 I/O Properties

Table 4-2 on page 32 summarizes the CL-PS6700 signals.

Conventions for Table 4-2

Acronym Definition

Assert

H

Voltage high

L

Voltage low

Type

O

Output

I

Input

I/O

Bidirectional signal

Power Group

sys

System

pcm PCMCIA

VDDhi VDD_HI pin

Synchronous Signal a

S

Synchronous signal

A

Asynchronous signal

Resistor

PU

Pull-up resistor

PD

Pull-down resistor

Reset, Standby, Card Power Off, Idle b

T

Output in high-impedance

A

Normally operating output; can be high, low, or high-impedance.

PO

The state of an output during the deep Standby state is programmable, either low or high.

PI

Protected input; that is, the internal input buffer is de-coupled from the pin.

N

Normally operating input

a Synchronous signal indicates whether a signal is synchronous to PCLK.

b These indicate the state of each output signal or the input pin during various states of the device.

For Reset, Table 4-2 on page 32 indicates the state of each signal when RESET_L is asserted and power sta-

bilizes.

November 1997

CIRRUS LOGIC CONFIDENTIAL, NDA REQUIRED

PRELIMINARY DATA BOOK v1.0

31

REGISTERS

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