Product Specs

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Subject: Doc. No.: Rev: 2
UMC-STD31LF Product Specification Page 46 of 54
本資料為啟碁科技股份有限公司專有之財產，非經書面許可，不准透露或使用本資料，亦不准複印，複製或轉變成其他形式使用。
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.
Form No.: 2-JT-00022-03_001
UMC-STD31LF Product Specification
46
*Note:This function work automatic internally, customer don’t need to do anything to control it.
8.13 SRCLKENA0
NAD status indicator generated from MT2731; the state of high(1.8V) for Normal Mode, as well as low(0-
Voltage) for Sleep/Low Power Mode
8.14 RTC_CLK
32.768-KHz clock signal generated from PMIC is able to be the synchronized signal source for other
functional blocks on the application board
8.15 Thermal
It is recommended to reserve contact ground area as broad as possible on TCU. By widening contact
ground area, the heat generated by module will be dissipated more efficiently. Green rectangular area is
reference area for ground contact