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C6416 Datasheet(PDF) 126 Page - Texas Instruments |
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C6416 Datasheet(HTML) 126 Page - Texas Instruments |
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126 / 134 page ![]() SMJ320C6414, SMJ320C6415, SMJ320C6416 FIXEDPOINT DIGITAL SIGNAL PROCESSORS SGUS050A − JANUARY 2004 − REVISED MARCH 2004 126 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 UTOPIA SLAVE TIMING [C6415 AND C6416 ONLY] (CONTINUED) timing requirements for UTOPIA Slave receive (see Figure 60) NO. MIN MAX UNIT 1 tsu(URDV-URCH) Setup time, URDATA valid before URCLK high 4 ns 2 th(URCH-URDV) Hold time, URDATA valid after URCLK high 1 ns 3 tsu(URAV-URCH) Setup time, URADDR valid before URCLK high 4 ns 4 th(URCH-URAV) Hold time, URADDR valid after URCLK high 1 ns 9 tsu(URENBL-URCH) Setup time, URENB low before URCLK high 4 ns 10 th(URCH-URENBL) Hold time, URENB low after URCLK high 1 ns 11 tsu(URSH-URCH) Setup time, URSOC high before URCLK high 4 ns 12 th(URCH-URSH) Hold time, URSOC high after URCLK high 1 ns switching characteristics over recommended operating conditions for UTOPIA Slave receive (see Figure 60) NO. PARAMETER MIN MAX UNIT 5 td(URCH-URCLAV) Delay time, URCLK high to URCLAV driven active value 3 12 ns 6 td(URCH-URCLAVL) Delay time, URCLK high to URCLAV driven inactive low 3* 12* ns 7 td(URCH-URCLAVHZ) Delay time, URCLK high to URCLAV going Hi-Z 9* 18.5* ns 8 tw(URCLAVL-URCLAVHZ) Pulse duration (low), URCLAV low to URCLAV Hi-Z 3* ns *This parameter is not production tested. P48 H1 H2 H3 N 0x1F N+1 0x1F N+2 0x1F N N+1 N+2 12 11 9 10 5 4 3 2 1 URCLK URDATA[7:0] URADDR[4:0] URCLAV URENB URSOC The UTOPIA Slave module has signals that are middle-level signals indicating a high-impedance state (i.e., the URCLAV and URSOC signals). † 8 6 7 Figure 60. UTOPIA Slave Receive Timing† |
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