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AM2434...ALV 数据表(PDF) 138 Page - Texas Instruments |
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AM2434...ALV 数据表(HTML) 138 Page - Texas Instruments |
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138 / 280 page  Table 7-9. RESET_REQz Timing Requirements see Figure 7-10 NO. PARAMETER MIN MAX UNIT RST15 tw(RESET_REQzL) (1) Pulse Width minimum, RESET_REQz active (low) 1200 ns (1) This timing parameter is valid only after all supplies are valid and MCU_PORz has been asserted for the specified time. Table 7-10. RESETSTATz Switching Characteristics see Figure 7-10 NO. PARAMETER MIN MAX UNIT RST16 td(RESET_REQzL-RESETSTATzL) Delay time, RESET_REQz active (low) to RESETSTATz active (low) T(1) ns RST17 td(RESET_REQzH-RESETSTATzH) Delay time, RESET_REQz inactive (high) to RESETSTATz inactive (high) W(2) ns (1) T = Reset Isolation Time (Software Dependent) (2) W = Max [300 μs (Typical) from RESETz_REQz inactive (high), Reset Isolation Time + 300 μs (TYP) from RESET_REQz active (low)] Figure 7-10. RESET_REQz and RESETSTATz Timing Requirements and Switching Characteristics Table 7-11. EMUx Timing Requirements see Figure 7-11 NO. PARAMETER MIN MAX UNIT RST18 tsu(EMUx-MCU_PORz) Setup time, EMU[1:0] before MCU_PORz inactive (high) 3*S(1) ns RST19 th(MCU_PORz - EMUx) Hold time, EMU[1:0] after MCU_PORz inactive (high) 10 ns (1) S = MCU_OSC0_XI/XO clock period Figure 7-11. EMUx Timing Requirements AM2434, AM2432, AM2431 SPRSP65D – APRIL 2021 – REVISED AUGUST 2022 www.ti.com 138 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM2434 AM2432 AM2431 |
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