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AM69AX 数据表(PDF) 120 Page - Texas Instruments |
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AM69AX 数据表(HTML) 120 Page - Texas Instruments |
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120 / 299 page ![]() Table 6-108. GPMC0 Signal Descriptions (continued) SIGNAL NAME [1] PIN TYPE [2] DESCRIPTION [3] ALY PIN [4] GPMC0_CSn3 O GPMC Chip Select 3 (active low) AJ33 GPMC0_WAIT0 I GPMC External Indication of Wait AC33 GPMC0_WAIT1 I GPMC External Indication of Wait AE33 GPMC0_WAIT2 I GPMC External Indication of Wait AF33 GPMC0_WAIT3 I GPMC External Indication of Wait AD38 6.3.28 MMC 6.3.28.1 MAIN Domain Table 6-109. MMC0 Signal Descriptions SIGNAL NAME [1] PIN TYPE [2] DESCRIPTION [3] ALY PIN [4] MMC0_CALPAD (1) A MMC/SD/SDIO Calibration Resistor AJ7 MMC0_CLK O MMC/SD/SDIO Clock AK5 MMC0_CMD IO MMC/SD/SDIO Command AL8 MMC0_DS IO MMC Data Strobe AK4 MMC0_DAT0 IO MMC/SD/SDIO Data AK9 MMC0_DAT1 IO MMC/SD/SDIO Data AL6 MMC0_DAT2 IO MMC/SD/SDIO Data AK8 MMC0_DAT3 IO MMC/SD/SDIO Data AK6 MMC0_DAT4 IO MMC/SD/SDIO Data AK7 MMC0_DAT5 IO MMC/SD/SDIO Data AL7 MMC0_DAT6 IO MMC/SD/SDIO Data AL5 MMC0_DAT7 IO MMC/SD/SDIO Data AK3 (1) An external 10 kΩ ±1% resistor must be connected between this pin and VSS. No external voltage should be applied to this pin. Table 6-110. MMC1 Signal Descriptions SIGNAL NAME [1] PIN TYPE [2] DESCRIPTION [3] ALY PIN [4] MMC1_CLK (2) IO MMC/SD/SDIO Clock AB38 MMC1_CMD IO MMC/SD/SDIO Command AB36 MMC1_SDCD (1) I SD Card Detect AR38 MMC1_SDWP I SD Write Protect AN37 MMC1_DAT0 IO MMC/SD/SDIO Data AA33 MMC1_DAT1 IO MMC/SD/SDIO Data AB34 MMC1_DAT2 IO MMC/SD/SDIO Data AA32 MMC1_DAT3 IO MMC/SD/SDIO Data AC38 (1) For ROM boot from MMC1 interface to work properly, the MMC1_SDCD pin should be pulled low externally with a resistor to indicate an SD Card/Memory device is present. (2) For MMC1_CLK signal to work properly, the RXACTIVE bit of the CTRLMMR_PADCONFIG171 register should be set to 0x1 because of retiming purposes. 6.3.29 OSPI 6.3.29.1 MCU Domain Table 6-111. MCU_OSPI0 Signal Descriptions SIGNAL NAME [1] PIN TYPE [2] DESCRIPTION [3] ALY PIN [4] MCU_OSPI0_CLK O OSPI Clock E32 MCU_OSPI0_DQS I OSPI Data Strobe (DQS) or Loopback Clock Input C34 MCU_OSPI0_ECC_FAIL I OSPI ECC Status C32, F31 MCU_OSPI0_LBCLKO IO OSPI Loopback Clock Output D32 AM69A SPRSP92 – FEBRUARY 2023 www.ti.com 120 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: AM69A |
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