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CC3135 Datasheet(PDF) 38 Page - Texas Instruments |
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CC3135 Datasheet(HTML) 38 Page - Texas Instruments |
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38 / 78 page 
SWAS037 V DD 80% 20% t DIOF t DIOR 38 CC3135 SWAS037 – JANUARY 2019 www.ti.com Submit Documentation Feedback Product Folder Links: CC3135 Specifications Copyright © 2019, Texas Instruments Incorporated 5.17.6.3 DIO Interface Timing NOTE Digital IOs on CC3135 refers to antenna select, hostless mode, and BLE/2.4 GHz coexistence IOs not general purpose IOs Figure 5-15 shows the DIO timing diagram. Figure 5-15. DIO Timing Diagram 5.17.6.3.1 DIO Output Transition Time Parameters (Vsupply = 3.3 V) Table 5-20 lists the DIO output transition times for Vsupply = 3.3 V. (1) Vsupply = 3.3 V, T = 25°C, total pin load = 30 pF (2) The 2-mA and 4-mA drive strength does not apply to the COEX I/O pins. Pins configured as COEX lines are invariably driven at 6 mA. Table 5-20. DIO Output Transition Times (Vsupply = 3.3 V) (1) DRIVE STRENGTH (mA) DRIVE STRENGTH CONTROL BITS tr tf UNIT MIN NOM MAX MIN NOM MAX 2(2) 2MA_EN=1 8.0 9.3 10.7 8.2 9.5 11.0 ns 4MA_EN=0 4(2) 2MA_EN=0 6.6 7.1 7.6 4.7 5.2 5.8 ns 4MA_EN=1 6 2MA_EN=1 3.2 3.5 3.7 2.3 2.6 2.9 ns 4MA_EN=1 5.17.6.3.2 DIO Input Transition Time Parameters Table 5-21 lists the input transition time parameters. Table 5-21. DIO Input Transition Time Parameters PARAMETERS MIN MAX UNIT tr Input transition time (tr, tf), 10% to 90% 1 3 ns tf 1 3 ns |
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