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Power Supply Range
The power supply range of TE0320 is TE0320 requires only one power supply with a supply voltage between 4.0 V to and 7.0 V.
Powe Supply Sources
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Assembly option where both R131 and R132 are populated is not allowed. |
Power Supervision
Power-on Reset
During power-on, the /RESET line is first asserted. Thereafter, the supply voltage supervisor monitors the power supply rail 3.3V and keeps the /RESET line active (low) as long as the rail remains below the threshold voltage (2.93 V). An internal timer delays the return of the /RESET line to the inactive state (high) to ensure proper system reset. The delay time of 200 ms starts after the rail has risen above the threshold voltage.
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Power
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-on Reset
TE0320 integrates a power-fail comparator which can be used for low-battery detection, power-fail warning, or for monitoring Vsup power rail.
An additional power-fail circuit can be used, to monitor the input voltage. At 4.4V, a power-fail signal (/PFO) is sent to the FPGA. Should you wish or need another threshold voltage, please contact Trenz Electronic.
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