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AM6546 数据表(PDF) 84 Page - Texas Instruments |
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AM6546 数据表(HTML) 84 Page - Texas Instruments |
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84 / 284 page  Table 6-44. MCSPI0 Signal Descriptions (continued) SIGNAL NAME [1] DESCRIPTION [2] PIN TYPE [3] BALL [4] MCU_SPI0_CS3 SPI Chip Select 3 IO AC3 MCU_SPI0_D0 SPI Data 0 IO Y3 MCU_SPI0_D1 SPI Data 1 IO Y2 Table 6-45. MCSPI1 Signal Descriptions SIGNAL NAME [1] DESCRIPTION [2] PIN TYPE [3] BALL [4] MCU_SPI1_CLK SPI Clock IO AF4 MCU_SPI1_CS0 SPI Chip Select 0 IO AD1 MCU_SPI1_CS1 SPI Chip Select 1 IO P4 MCU_SPI1_CS2 SPI Chip Select 2 IO P5 MCU_SPI1_CS3 SPI Chip Select 3 IO AD3 MCU_SPI1_D0 SPI Data 0 IO AF3 MCU_SPI1_D1 SPI Data 1 IO AE3 6.3.17 MMCSD 6.3.17.1 MAIN Domain Table 6-46. MMCSD0 Signal Descriptions SIGNAL NAME[1] DESCRIPTION[2] PIN TYPE [3] BALL [4] MMC0_CLK(1) (2) MMC/SD Clock O B25 MMC0_CMD(1) (2) MMC/SD Command IO B27 MMC0_DS MMC Data Strobe I C25 MMC0_SDCD SD Card Detect (active low) I A23 MMC0_SDWP SD Write Protect I B23 MMC0_DAT0(1) (2) MMC/SD Data IO A26 MMC0_DAT1(1) (2) MMC/SD Data IO E25 MMC0_DAT2 (1) (2) MMC/SD Data IO C26 MMC0_DAT3(1) (2) MMC/SD Data IO A25 MMC0_DAT4(1) (2) MMC/SD Data IO E24 MMC0_DAT5(1) (2) MMC/SD Data IO A24 MMC0_DAT6(1) (2) MMC/SD Data IO B26 MMC0_DAT7(1) (2) MMC/SD Data IO D25 (1) When MMCSD0 or MMCSD1 is used, any non-MMC signal function multiplexed with the respective pins are not available. This is due to the MMC having an internal IO multiplexer which is controlled by MMCSD0/1_SS_PHY_CTRL_1_REG[31] IOMUX_ENABLE. This internal IO multiplexer is primary for the signal functions associated with MMCSD pins, and the PADCONFIG’s MUXMODE is secondary. Additionally, the internal IO multiplexer affects all of the MMCSD0 or MMCSD1 pins, regardless of configured data bus width. Therefore, when MMCSD0/1_SS_PHY_CTRL_1_REG[31] IOMUX_ENABLE = 0, the respective MMCSD pins are configured for eMMC/SD functionality, regardless of the PADCONFIG [MUXMODE] setting. (2) Each of these signals should have an external 50kΩ pull-up resistor connected to the corresponding power supply. Table 6-47. MMCSD1 Signal Descriptions SIGNAL NAME [1] DESCRIPTION [2] PIN TYPE [3] BALL [4] MMC1_CLK(1) (2) MMC/SD Clock O C27 MMC1_CMD(1) (2) MMC/SD Command IO C28 MMC1_SDCD SD Card Detect (active low) I B24 MMC1_SDWP SD Write Protect I C24 AM6548, AM6528, AM6546, AM6526 SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021 www.ti.com 84 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM6548 AM6528 AM6546 AM6526 |
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