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AM3359 Datasheet(PDF) 94 Page - Texas Instruments |
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AM3359 Datasheet(HTML) 94 Page - Texas Instruments |
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94 / 236 page  AM3359, AM3358, AM3357 AM3356, AM3354, AM3352 SPRS717F – OCTOBER 2011 – REVISED APRIL 2013 www.ti.com 3.4 External Capacitors To improve module performance, decoupling capacitors are required to suppress the switching noise generated by high frequency and to stabilize the supply voltage. A decoupling capacitor is most effective when it is close to the device, because this minimizes the inductance of the circuit board wiring and interconnects. 3.4.1 Voltage Decoupling Capacitors Table 3-14 summarizes the Core voltage decoupling characteristics. 3.4.1.1 Core Voltage Decoupling Capacitors To improve module performance, decoupling capacitors are required to suppress high-frequency switching noise and to stabilize the supply voltage. A decoupling capacitor is most effective when located close to the AM335x device, because this minimizes the inductance of the circuit board wiring and interconnects. Table 3-14. Core Voltage Decoupling Characteristics PARAMETER TYP UNIT CVDD_CORE (1) 10.08 μF CVDD_MPU (2)(3) 10.05 μF (1) The typical value corresponds to 1 cap of 10 μF and 8 caps of 10 nF. (2) Not available on the ZCE package. VDD_MPU is merged with VDD_CORE on the ZCE package. (3) The typical value corresponds to 1 cap of 10 μF and 5 caps of 10 nF. 3.4.1.2 IO and Analog Voltage Decoupling Capacitors Table 3-15 summarizes the power-supply decoupling capacitor recommendations. Table 3-15. Power-Supply Decoupling Capacitor Characteristics PARAMETER TYP UNIT CVDDA_ADC 10 nF CVDDA1P8V_USB0 10 nF CCVDDA3P3V_USB0 10 nF CVDDA1P8V_USB1 (1) 10 nF CVDDA3P3V_USB1 (1) 10 nF CVDDS (2) 10.04 μF CVDDS_DDR (4) CVDDS_OSC 10 nF CVDDS_PLL_DDR 10 nF CVDDS_PLL_CORE_LCD 10 nF CVDDS_SRAM_CORE_BG 10 nF CVDDS_SRAM_MPU_BB 10 nF CVDDS_PLL_MPU 10 nF CVDDS_RTC 10 nF CVDDSHV1 (5) 10.02 μF CVDDSHV2 (1)(5) 10.02 μF CVDDSHV3 (1)(5) 10.02 μF 94 Device Operating Conditions Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: AM3359 AM3358 AM3357 AM3356 AM3354 AM3352 |
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