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Only for training and service purposes
3. TECHNICAL BRIEF
GX500 Operational Description Revision A
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Interfaces
• I2C control interface for device configuration
• PMU is configured in software via registers
• Power-on reset generation
• Interrupt (event) line to indicate status change.
Control Unit
• Device ON/OFF switching
• Over-temperature warning
• System start-up state machine
• Under-voltage shut down with defined system behavior
• Independent LDO switch on
• Software and hardware programmable voltages
• System watchdog timer with on-chip oscillator.
Figure 3-7 S-GOLDradio PMU circuit diagram