R2000 datasheet(31/75 Pages) ETC

Part #	R2000

Description	Indy® R2000 Reader Chip (IPJ-R2000) Electrical, Mechanical, & Thermal Specification

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Indy® R2000 Electrical, Mechanical, & Thermal Specification

and the value is placed as a read request in the T2R FIFO. Figure 6-5 and Figure 6-6 show the timing parameters.

Table 20 specifies the timing requirements for the serial interface.

Figure 6-5: Serial Interface T2R Timing

T2R_CLK

Bit 1

Bit 0

Bit 31

T2R_FRM

T2R_D0

Figure 6-6: Serial Interface R2T Timing

Bit 0

Bit 1

Bit 31

R2T_CLK

R2T_FRM

R2T_Dn

Table 20: Serial Interface Timing Requirements

Symbol

Parameter

Min

Typical

Max

Units

Data output delay

2.0

5.0

Data setup time

1.0

Data hold time

2.0

7.1.1 Parallel Interface

The parallel interface is four bits wide with multiplexing of the data and address. The registers are double buffered to

avoid mid-read updates. Figure 6-7 shows the read timing of the parallel interface, while Figure 6-8 shows the write

timing.

Figure 6-7: Parallel Interface Read Timing

Address

Data

CSn

ALE

DA[3:0]

RDn

Don

RDw

Doff

Woff

Won

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