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AM6421...ALV 数据表(PDF) 120 Page - Texas Instruments |
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AM6421...ALV 数据表(HTML) 120 Page - Texas Instruments |
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120 / 244 page  Figure 7-11. EMUx Timing Requirements Table 7-12. BOOTMODE Timing Requirements see Figure 7-12 NO. PARAMETER MIN MAX UNIT RST23 tsu(BOOTMODE-PORz_OUT) Setup time, BOOTMODE[15:00] before PORz_OUT high (External MCU PORz event or Software SW_MAIN_PORz) 3*S(1) ns RST24 th(PORz_OUT - BOOTMODE) Hold time, BOOTMODE[15:00] after PORz_OUT high (External MCU PORz event, Software SW_MAIN_PORz) 0 ns (1) S = MCU_OSC0_XI/XO clock period Table 7-13. PORz_OUT Switching Characteristics see Figure 7-12 NO. PARAMETER MIN MAX UNIT RST25 td(MCU_PORzL-PORz_OUT) Delay time, MCU_PORz active (low) to PORz_OUT active (low) 0 ns RST26 td(MCU_PORzH-PORz_OUT) Delay time, MCU_PORz inactive (high) to PORz_OUT inactive (high) 0 ns RST27 tw(PORz_OUTL) Pulse Width Minimum PORz_OUT low (MCU_PORz, SW_MAIN_PORz) 1200 ns Figure 7-12. BOOTMODE Timing Requirements and PORz_OUT Switching Characteristics 7.10.3.2 Safety Signal Timing Tables and figures provided in this section define switching characteristics for MCU_SAFETY_ERRORn. Table 7-14. MCU_SAFETY_ERRORn Switching Characteristics see Figure 7-13 NO. PARAMETER MIN MAX UNIT SFTY1 tc(MCU_SAFETY_ERRORn) Cycle time minimum, MCU_SAFETY_ERRORn (PWM mode enabled) (P*H)+(P*L)(1) (3) (4) ns AM6442, AM6441, AM6421, AM6412, AM6411 SPRSP56D – JANUARY 2021 – REVISED JULY 2022 www.ti.com 120 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411 |
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