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TDA2EX Datasheet(PDF) 77 Page - Texas Instruments |
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TDA2EX Datasheet(HTML) 77 Page - Texas Instruments |
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77 / 401 page ![]() 77 TDA2E-17 www.ti.com SPRS969E – AUGUST 2016 – REVISED JULY 2018 Submit Documentation Feedback Product Folder Links: TDA2E-17 Terminal Configuration and Functions Copyright © 2016–2018, Texas Instruments Incorporated Table 4-18. eMMC/SD/SDIO Signal Descriptions (continued) SIGNAL NAME DESCRIPTION TYPE BALL mmc3_dat7 MMC3 data bit 7 IO AB1 mmc3_sdcd MMC3 Card Detect I E24 mmc3_sdwp MMC3 Write Protect I E25 Multi Media Card 4 mmc4_clk(1) MMC4 clock IO L20 mmc4_cmd MMC4 command IO M24 mmc4_sdcd MMC4 Card Detect I L25 mmc4_sdwp MMC4 Write Protect I M25 mmc4_dat0 MMC4 data bit 0 IO N23 mmc4_dat1 MMC4 data bit 1 IO N25 mmc4_dat2 MMC4 data bit 2 IO N22 mmc4_dat3 MMC4 data bit 3 IO N24 (1) By default, this clock signal is implemented as 'pad loopback' inside the device - the output signal is looped back through the input buffer to serve as the internal reference signal. mmc1_clk and mmc2_clk have an optional software programmable setting to use an 'internal loopback clock' instead of the default 'pad loopback clock'. If the 'pad loopback clock' is used, series termination is recommended (as close to device pin as possible) to improve signal integrity of the clock input. Any nonmonotonicity in voltage that occurs at the pad loopback clock pin between VIH and VIL must be less than VHYS. 4.3.18 GPIO NOTE For more information, see the General-Purpose Interface section of the device TRM. Table 4-19. GPIOs Signal Descriptions SIGNAL NAME DESCRIPTION TYPE BALL GPIO 1 gpio1_0 General-Purpose Input I AC10 gpio1_3 General-Purpose Input I AB10 gpio1_4 General-Purpose Input/Output IO B20 gpio1_5 General-Purpose Input/Output IO C20 gpio1_6 General-Purpose Input/Output IO F1 gpio1_7 General-Purpose Input/Output IO E2 gpio1_8 General-Purpose Input/Output IO E1 gpio1_9 General-Purpose Input/Output IO C1 gpio1_10 General-Purpose Input/Output IO D1 gpio1_11 General-Purpose Input/Output IO D2 gpio1_12 General-Purpose Input/Output IO B1 gpio1_13 General-Purpose Input/Output IO B2 gpio1_14 General-Purpose Input/Output IO H22 gpio1_15 General-Purpose Input/Output IO H23 gpio1_16 General-Purpose Input/Output IO N22 gpio1_17 General-Purpose Input/Output IO N24 gpio1_18 General-Purpose Input/Output IO C3 gpio1_19 General-Purpose Input/Output IO C4 gpio1_20 General-Purpose Input/Output IO A3 gpio1_21 General-Purpose Input/Output IO B4 gpio1_22 General-Purpose Input/Output IO Y3 gpio1_23 General-Purpose Input/Output IO AA1 |
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