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AM3359 Datasheet(PDF) 87 Page - Texas Instruments |
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AM3359 Datasheet(HTML) 87 Page - Texas Instruments |
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87 / 195 page  AM3359, AM3358, AM3357 AM3356, AM3354, AM3352 www.ti.com SPRS717B – OCTOBER 2011 – REVISED JANUARY 2012 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 3-8 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 3-8. Core Voltage Decoupling Characteristics PARAMETER MIN TYP MAX UNIT CVDD_CORE (1) TBD 10.08 TBD μF CVDD_MPU (2)(3) TBD 10.05 TBD 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 3-9 summarizes the power-supply decoupling capacitor recommendations. Table 3-9. Power-Supply Decoupling Capacitor Characteristics PARAMETER MIN TYP MAX UNIT CVDDA_ADC TBD 10 TBD nF CVDDA1P8V_USB0 TBD 10 TBD nF CCVDDA3P3V_USB0 TBD 10 TBD nF CVDDA1P8V_USB1 (1) TBD 10 TBD nF CVDDA3P3V_USB1 (1) TBD 10 TBD nF CVDDS (2) TBD 10.04 TBD µF CVDDS_DDR (3)(4) TBD 10.06 TBD µF CVDDS_OSC TBD 10 TBD nF CVDDS_PLL_DDR TBD 10 TBD nF CVDDS_PLL_CORE_LCD TBD 10 TBD nF CVDDS_SRAM_CORE_BG TBD 10 TBD nF CVDDS_SRAM_MPU_BB TBD 10 TBD nF CVDDS_PLL_MPU TBD 10 TBD nF CVDDS_RTC TBD 10 TBD nF CVDDSHV1 (5) TBD 10.02 TBD µF CVDDSHV2 (1)(5) TBD 10.02 TBD µF CVDDSHV3 (1)(5) TBD 10.02 TBD µF Copyright © 2011–2012, Texas Instruments Incorporated Device Operating Conditions 87 Submit Documentation Feedback Product Folder Link(s): AM3359 AM3358 AM3357 AM3356 AM3354 AM3352 |
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