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DRA821U4...ALM 数据表(PDF) 92 Page - Texas Instruments |
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DRA821U4...ALM 数据表(HTML) 92 Page - Texas Instruments |
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92 / 252 page  Table 6-107. Unused Balls Specific Connection Requirements (continued) BALL NUMBER BALL NAME CONNECTION REQUIREMENTS A18 MCU_RESETZ Each of these balls must be connected to the corresponding power supply through a separate external pull resistor to ensure these balls are held to a valid logic high level if unused.(1) G19 MCU_PORZ H20 PORZ B15 TCK U4 TMS F20 WKUP_I2C0_SCL H21 WKUP_I2C0_SDA G20 MCU_I2C0_SDA G21 MCU_I2C0_SCL W2 I2C0_SDA V3 I2C0_SCL U6 EXTINTN F19 TDI F21 TDO D12 EMU1 A13 EMU0 B1 DDR0_DQS0N E1 DDR0_DQS1N M1 DDR0_DQS2N R1 DDR0_DQS3N N17 VPP_CORE Each of these balls must be left unconnected if unused. E11 VPP_MCU P20 MMC0_CALPAD AA8 SERDES0_REFCLK_N AA9 SERDES0_REFCLK_P AA11 SERDES0_RX0_N AA12 SERDES0_RX0_P W11 SERDES0_TX0_N W12 SERDES0_TX0_P W8 SERDES0_RX1_N W9 SERDES0_RX1_P Y10 SERDES0_TX1_N Y11 SERDES0_TX1_P Y7 SERDES0_RX2_N Y8 SERDES0_RX2_P AA5 SERDES0_TX2_N AA6 SERDES0_TX2_P W5 SERDES0_RX3_N W6 SERDES0_RX3_P Y4 SERDES0_TX3_N Y5 SERDES0_TX3_P (1) To determine which power supply is associated with any IO refer to Table 6-1, Pin Attributes. Table 6-108. Reserved Balls Specific Connection Requirements BALLS CONNECTION REQUIREMENTS A21 / AA21 / K8 / K9 / K10 / L8 / L9 / L10 These balls do not exist on the package. DRA821U-Q1 SPRSP57D – APRIL 2020 – REVISED DECEMBER 2022 www.ti.com 92 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: DRA821U-Q1 |
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