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DRA725LGABCRQ1 Datasheet(PDF) 9 Page - Texas Instruments |
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DRA725LGABCRQ1 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 408 page  9 DRA722, DRA724, DRA725, DRA726 www.ti.com SPRS956B – MARCH 2016 – REVISED JANUARY 2017 Submit Documentation Feedback Product Folder Links: DRA722 DRA724 DRA725 DRA726 Terminal Configuration and Functions Copyright © 2016–2017, Texas Instruments Incorporated NOTE The following balls are reserved: A27, K14, Y5, Y10, B28 These balls must be left unconnected. NOTE All unused power supply balls must be supplied with the voltages specified in the Section 5.4, Recommended Operating Conditions, unless alternative tie-off options are included in Section 4.4, Signal Descriptions. Table 4-1. Unused Balls Specific Connection Requirements Balls Connection Requirements AE15, AC15, AE14, D20, AD17, AC16, V27 These balls must be connected to GND through an external pull resistor if unused. E20, D21, E23, C20, C21, V28, F18 These balls must be connect to the corresponding power supply through an external pull resistor if unused. AF14 (rtc_iso) This ball should be connected to the corresponding power supply through an external pull resistor if unused; or can be connected to F22 (porz) when RTC unused (level translation may be needed) AB17 (rtc_porz) This ball should be connected to VSS when RTC is unused; or can be connected to F22 (porz) when RTC unused (level translation may be needed) NOTE All other unused signal balls with a Pad Configuration register can be left unconnected with their internal pullup or pulldown resistor enabled. NOTE All other unused signal balls without a Pad Configuration register can be left unconnected. 4.2 Ball Characteristics Table 4-2 describes the terminal characteristics and the signals multiplexed on each ball. The following list describes the table column headers: 1. BALL NUMBER:This column lists ball numbers on the bottom side associated with each signal on the bottom. 2. BALL NAME: This column lists mechanical name from package device (name is taken from muxmode 0). 3. SIGNAL NAME:This column lists names of signals multiplexed on each ball (also notice that the name of the ball is the signal name in muxmode 0). NOTE Table 4-2 does not take into account the subsystem multiplexing signals. Subsystem multiplexing signals are described in Section 4.4, Signal Descriptions. NOTE In driver off mode, the buffer is configured in high-impedance. |
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