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AM2434...ALV 数据表(PDF) 193 Page - Texas Instruments |
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AM2434...ALV 数据表(HTML) 193 Page - Texas Instruments |
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193 / 280 page  7.10.5.11.2 MCSPI — Peripheral Mode Table 7-64, Figure 7-56, Table 7-65, and Figure 7-57 present timing requirements and switching characteristics for SPI – Peripheral Mode. Table 7-64. MCSPI Timing Requirements – Peripheral Mode see Figure 7-56 NO. PARAMETER DESCRIPTION MIN MAX UNIT SS1 tc(SPICLK) Cycle time, SPIn_CLK 20 ns SS2 tw(SPICLKL) Pulse duration, SPIn_CLK low 0.45P (1) ns SS3 tw(SPICLKH) Pulse duration, SPIn_CLK high 0.45P (1) ns SS4 tsu(PICO-SPICLK) Setup time, SPIn_D[x] valid before SPIn_CLK active edge 5 ns SS5 th(SPICLK-PICO) Hold time, SPIn_D[x] valid after SPIn_CLK active edge 5 ns SS8 tsu(CS-SPICLK) Setup time, SPIn_CSi valid before SPIn_CLK first edge 5 ns SS9 th(SPICLK-CS) Hold time, SPIn_CSi valid after SPIn_CLK last edge 5 ns (1) P = SPIn_CLK period in ns. SPI_CS[i] (IN) SPI_SCLK (IN) SPI_SCLK (IN) SPI_D[x] (IN) SPI_CS[i] (IN) SPI_SCLK (IN) SPI_SCLK (IN) SPI_D[x] (IN) Bit n-1 Bit n-2 Bit n-3 Bit n-4 Bit 0 Bit n-1 Bit n-2 Bit n-3 Bit 1 Bit 0 PHA=0 EPOL=1 POL=0 POL=1 POL=0 POL=1 PHA=1 EPOL=1 SS3 SS1 SS3 SS1 SS3 SS1 SS2 SS1 SS8 SS9 SS8 SS9 SS2 SS3 SS2 SS2 SS4 SS5 SS5 SS4 SS4 SS5 SS4 SS5 SPRSP08_TIMING_McSPI_04 Figure 7-56. SPI Peripheral Mode Receive Timing www.ti.com AM2434, AM2432, AM2431 SPRSP65D – APRIL 2021 – REVISED AUGUST 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 193 Product Folder Links: AM2434 AM2432 AM2431 |
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