Serial Vid Interface

AMD Serial VID Interface Version 3 SVI3 Specification Publication 56413 Revision 2.00 Issue Date October 2022 Confidential Confidential - Distribution with NDA - Distribution with NDA This Specification Agreement this quotAgreementquot is a legal agreement between Advanced Micro

The SVID interface can be connected to multiple slaves. Slaves are identified by a unique address. The SVID master can address a command to either an individual slave or it can broadcast a command to multiple slaves. The SVID interface is used primarily to Control dynamic voltage regulators VRs-DVID

SVI2 full in quotSerial VID Voltage Identification Interface 2.0quot, is dedicated by AMD to monitor CPU Northbridge NB voltage protocol, commonly found in power supply control IC for the CPU and the NB voltage control, so you can view APU load conditions , and then adjust the voltage value, so a more stable power supply more efficient.

PWM_VID Interface Design Aid Introduction The PWM_VID interface is a unidirectional serial digital link between the CPUGPU and the switching regulators. It allows direct control of the regulated voltage. The CPUGPU embeds the regulated voltage ID information VID in the duty cycle of a PWM signal and sends it to the switching regulator

The MAX17480 is a triple-output, step-down, fixed-frequency controller for AMD's serial VID interface SVI CPU and northbridge NB core supplies. The MAX17480 consists of two high-current SMPSs for the CPU cores and one 4A internal switch SMPS for the NB core. The two CPU core SMPSs run 180 out-of-phase for true interleaved operation

4 SVD Serial VID data bidirectional signal from the CPU processor master device to the VR. 5 VDDIO VDDIO is the processor memory interface power rail . This pin serves as the IO signal level reference to the controller IC for this processor. 6 SVT Serial VID Telemetry SVT data line input to the CPU from the controller IC. Telemetry and

3 SDIO Serial VID data interface 4 ALERT Serial VID ALERT 5 SCLK Serial VID clock 6 VR_RDY VR_RDY indicates both rails are ready to accept SVID commands 7 VCC Power for the internal control circuits. A decoupling capacitor is connected from this pin to ground 8 PSYS System power signal input. A resistor to ground scales this signal.

SVI3 AMD Serial VID Interface Version 3 SVI3 AMD Serial VID Interface Version 3 SVI3 protocol is for power management and developed by AMD. SVI3 voltage is between 1.08V to 1.98V, maximum frequency at 50MHz and is 3 wiresSVCSVDSVT. Logic Analyzer Oscilloscope. MSO2216B.

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VCC Voltage Identification VID the processor autonomously issues voltage control requests according to this calibrated curve using the serial voltage-identifier SVID interface. Altering the voltage applied at the processorchipset causing operation outside of this calibrated curve is considered out-of-specification operation.

the PVID codes and transmit the VID using the Serial VID Interface SVI to the PWM controller. Some key features of the PIC16F506 include low-cost baseline architecture, up to 8 MHz internal oscillator with 500 ns instruction cycles, wide 2V-5V operating voltage range, internal flash memory, and 14-pin package with 12 IO.