CLRC63201T 데이터 시트보기 (PDF) - NXP Semiconductors.

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CLRC63201T

Standard multi-protocol reader solution

NXP Semiconductors. 

NXP Semiconductors

CLRC632

Standard multi-protocol reader solution

9.1.3 Connection to different microprocessor types

The connection to various microprocessor types is shown in Table 5.

Table 5. Connection scheme for detecting the parallel interface type

CLRC632

pins

Parallel interface type and signals

Separated read/write strobe Common read/write strobe

Dedicated

address bus

Multiplexed Dedicated Multiplexed Multiplexed

address address bus address bus address bus with

bus

handshake

ALE

HIGH

ALE

HIGH

AS

nAStrb

A2

A2

LOW

A2

LOW

HIGH

A1

A1

HIGH

A1

HIGH

HIGH

A0

A0

HIGH

A0

LOW

nWait

NRD

NRD

NRD

NDS

NDS

nDStrb

NWR

NWR

NWR

R/NW

R/NW

nWrite

NCS

NCS

NCS

NCS

NCS

LOW

D7 to D0

D7 to D0

AD7 to AD0 D7 to D0

AD7 to AD0 AD7 to AD0

9.1.3.1 Separate read and write strobe

address bus (A3 to An)

ADDRESS

DECODER

DEVICE

NCS

address bus (A0 to A2)

data bus (D0 to D7)

HIGH

Read strobe (NRD)

Write strobe (NWR)

A0 to A2

D0 to D7

ALE

NRD

NWR

non-multiplexed address

LOW

ADDRESS

DECODER

HIGH

HIGH

multiplexed address/data (AD0 to AD7)

address latch enable (ALE)

Read strobe (NRD)

Write strobe (NWR)

Fig 3. Connection to microprocessor: separate read and write strobes

DEVICE

NCS

A2

A1

A0

AD0 to AD7

ALE

NRD

NWR

001aak607

Refer to Section 13.4.1 on page 102 for timing specification.

CLRC632

Product data sheet

COMPANY PUBLIC

All information provided in this document is subject to legal disclaimers.

Rev. 3.7 — 27 February 2014

073937

© NXP Semiconductors N.V. 2014. All rights reserved.

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