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TMS320C31PQL60 数据表(PDF) 27 Page - Texas Instruments |
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TMS320C31PQL60 数据表(HTML) 27 Page - Texas Instruments |
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27 / 48 page ![]() timing parameters for RESET for the TMS320C31 and TMS320LC31 (see Figure 21) NO. ’LC31-33 ’C31-40 ’LC31-40 ’LC31-40 ’C31-50 ’C31-60 ’C31-80 UNIT MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX 38 tsu(RESET-CIL) Setup time, RESET before CLKIN low 10 P†‡ 10 P†‡ 10 P†‡ 10 P†‡ 7 P†‡ 4 P†‡ ns 39 td(CLKINH-H1H) Delay time, CLKIN high to H1 high§ 2 12 2 12¶ 2 14 2 10 2 10 2 8 ns 40 td(CLKINH-H1L) Delay time, CLKIN high to H1 low§ 2 12 2 12¶ 2 14 2 10 2 10 2 8 ns 41 tsu(RESETH-H1L) Setup time, RESET high before H1 low and after ten H1 clock cycles 10 9 9 7 6 5 ns 42 td(CLKINH-H3L) Delay time, CLKIN high to H3 low§ 2 12¶ 2 12 2 14 2 10 2 10 2 8 ns 43 td(CLKINH-H3H) Delay time, CLKIN high to H3 high§ 2 12¶ 2 12 2 14 2 10 2 10 2 8 ns 44 tdis(H1H-DZ) Disable time, H1 high to D (high impedance) 15# 13# 13# 12# 11# 9# ns 45 tdis(H3H-AZ) Disable time, H3 high to A (high impedance) 10# 9# 9# 8# 7# 6# ns 46 td(H3H-CONTROLH) Delay time, H3 high to control signals high 10# 9# 9# 8# 7# 6# ns 47 td(H1H-RWH) Delay time, H1 high to R/W high 10# 9# 9# 8# 7# 6# ns 48 td(H1H-IACKH) Delay time, H1 high to IACK high 10# 9# 9# 8# 7# 6# ns 49 tdis(RESETL-ASYNCH) Disable time, RESET low to asynchronous reset signals disabled (high impedance) 25# 21# 21# 17# 14# 12# ns † P = tc(CI) ‡ Specified by design but not tested § See Figure 22 for temperature dependence . ¶ 14 ns for the extended temperature ’C31-40 # This value is characterized but not tested |
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