CLRC632 Datasheet, PDF (15/163 Pages) NXP Semiconductors – Multiple Protocol Contactless Reader IC

Philips Semiconductors
Multiple Protocol Contactless Reader IC
4.3.2 COMMON READ/WRITE STROBE
Product Specification Rev. 3.0; May 2003
CL RC632
Address Bus (A3...An)
Address
Decoder
CL RC632
NCS
Address Bus (A0...A2)
Data Bus (D0...D7)
HIGH
Data Strobe (NDS)
Read/Write (R/NW)
A0...A2
D0...D7
ALE
NRD
NWR
Non Multiplexed Address
Address
Decoder
LOW
HIGH
LOW
Multiplexed Address/Data (AD0...AD7)
Address Strobe (AS)
Data Strobe (NDS)
Read/Write (R/NW)
CL RC632
NCS
A2
A1
A0
D0...D7
ALE
NRD
NWR
Figure 4-2: Connection to µ-Processors with Common Read/Write Strobes
For timing specification refer to chapter 22.5.2.2.
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