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SLRC400 Datasheet(PDF) 13 Page - NXP Semiconductors

Part # SLRC400
Description  I쨌CODE Reader IC
PDF  130 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SLRC400 Datasheet(HTML) 13 Page - NXP Semiconductors

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Philips Semiconductors
Product Specification Rev. 2.0 November 2001
I
•CODE Reader IC
SL RC400
13
Preliminary
4.3
Connection to Different µ-Processor Types
The connection to different µ-Processor types is shown in the following table:
Parallel Interface Type
Separated Read/Write Strobe
Common Read/Write Strobe
SL RC400
Dedicated
Address Bus
Multiplexed
Address Bus
Dedicated
Address Bus
Multiplexed
Address Bus
Multiplexed
Address Bus with
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 ... D0
D7 ... D0
AD7 ... AD0
D7 ... D0
AD7 ... AD0
AD7 ... AD0
Table 4-2: Connection Scheme for Detecting the Parallel Interface Type
4.3.1
SEPARATED READ/WRITE STROBE: INTEL TYPE COMPATIBLE
For timing specification refer to chapter 19.5.2.1.
SL RC400
NCS
A2
A1
A0
D0...D7
ALE
NRD
NWR
Address
Decoder
Non Multiplexed Address
Multiplexed Address/Data (AD0...AD7)
Address Latch Enable (ALE)
LOW
HIGH
HIGH
SL RC400
NCS
D0...D7
ALE
NRD
NWR
Address
Decoder
Address Bus (A3...An)
Data Bus (D0...D7)
HIGH
Read Strobe (NRD)
Write Strobe (NWR)
Read Strobe (NRD)
Write Strobe (NWR)
A0...A2
Address Bus (A0...A2)
Figure 4-1: Connection to µ-Processors with Separated Read/Write Strobes



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