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R2000 датащи(PDF) 32 Page - List of Unclassifed Manufacturers |
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R2000 датащи(HTML) 32 Page - List of Unclassifed Manufacturers |
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32 / 75 page ![]() Indy® R2000 Electrical, Mechanical, & Thermal Specification Revision 2.0, Copyright © 2015, Impinj, Inc. 32 Figure 6-8: Parallel Interface Write Timing Address Data CSn ALE DA[3:0] WRn t As t Ah t Ds t WRw t Dn t Ds t Woff t Won Table 21: Parallel Interface Timing Conditions Symbol Parameter Min Typ Max Units tWon ALE pulse width 100 ns tWoff ALE inactive width 100 ns tAs Address setup time 4 ns tAh Address hold time 0 ns tRDw/tWRw Read/Write strobe width 50 ns tDon Data-on output delay 0 45 ns tDoff Data-off output delay 0 45 ns tDs Data setup time 4 ns tDh Data hold time 0 ns 7.2 Register Map Note that negative signed values are stored as two’s complement. If the number is negative, two’s complement conversion needs to be performed when converting between the ba ses. When converting to two’s complement, the number of bits should be according to the bit column in Table 22. Table 22: Register Map Addr. Name R/W Bit Description Reset Type Comment 000 – 03f TX_I R/W 11:0 TX amplitude data I h0000 s1.10 TX look-up table (LUT) amplitude data for the I-output (signed), 64 registers. 040 – 07f TX_Q R/W 11:0 TX amplitude data Q h0000 s1.10 TX look-up table (LUT) amplitude data for the Q-output (signed), 64 registers. |
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