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Summary of Contents for Abov A31L214
- Page 1 A31L214 Demo Board to check low-power performance User’s manual Version 1.10 Global Top Smart MCU Innovator, ABOV Semiconductor www.abovsemi.com...
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Page 2: Table Of Contents
Contents A31L214 Demo Board Contents Introduction ............................ 4 Overview ............................5 VDD Power Selection ........................6 Key & LCD Display ......................... 7 Check the current consumption modes ..................8 How to connect an ammeter ......................9 Low power Clock .......................... 10 Low power performance demonstration on GUI ................ - Page 3 A31L214 Demo Board List of Figures/ List of Tables List of Figures Figure 1. A31L214 Demo Board ......................5 Figure 2. VDD Power Selection ......................6 Figure 3. Key assign ..........................7 Figure 4. Current measuring cable ......................9 Figure 5. How to connect an ammeter ....................9 Figure 6.
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Page 4: Introduction
1. Introduction A31L214 Demo Board Introduction This document is a user manual for the demo board that can check the current consumption for each mode. Users can check the actual current by entering each mode after connecting an ammeter to this board. -
Page 5: Overview
A31L12x Wake-up Guide by LPUART 2. Overview Overview Figure 1. A31L214 Demo Board • MCU : A31L214 ( 80LQFP-1212 ) • Supply voltage : 1.71V ~ 3.6V ( for more detail refer to the datasheet ) • Clock source ✓ Internal : HIRC 32MHz/16MHz, WDTRC 40kHz ✓... -
Page 6: Vdd Power Selection
3. VDD Power Selection A31L214 Demo Board VDD Power Selection Figure 2. VDD Power Selection Table 1. VDD Power Selection Remark Battery power Must be needed Battery( 3V, CR2032 ) on BAT1. External power Must be connected Power cable on CN1. -
Page 7: Key & Lcd Display
A31L214 Demo Board 4. Key & LCD Display Key & LCD Display Figure 3. Key assign Table 2. LCD Display Mode and Key function Display Mode Display contents and Key function Action for Display Mode Display Mode 0 Clock Display [hour, minute]... -
Page 8: Check The Current Consumption Modes
5. Check the current consumption modes A31L214 Demo Board Check the current consumption modes Users can check the actual current by entering each mode after connecting an ammeter to this demo board. Select the IDD mode to check from the list below by {KEY1}&{KEY2} and push {KEY4} to enter the corresponding mode. -
Page 9: How To Connect An Ammeter
A31L214 Demo Board 6. How to connect an ammeter How to connect an ammeter In order to measure the current, the provided current measuring cable and a separate ammeter are required. The following is a cable for measuring current. Figure 4. Current measuring cable Connect the current measurement cable connected to the ammeter instead of the short cap at J16 as shown below. -
Page 10: Low Power Clock
7. Low power Clock A31L214 Demo Board Low power Clock In this demo board, it is possible to implement a low-power clock using the RTCC embedded into the chip. This mode uses sub oscillator, RTCC, and LCD are always on. The current is about 15uA or less. -
Page 11: Low Power Performance Demonstration On Gui
A31L214 Demo Board 8. Low power performance demonstration on GUI Low power performance demonstration on GUI In this demo board, it is possible to optically check to low power performance on GUI environment. In this mode uses sub oscillator, LPUART1, TIMER50, and LCD driver. -
Page 12: Table 6. Log Message Output Screen
8. Low power performance demonstration on GUI A31L214 Demo Board Table 6. Log message output screen Step Log message output screen Initial screen Step_1 Step_2 After 10 seconds. Step_3 Step_4 After 10 seconds. Step_5 Step_6 Step_7 Step_8 After 10 seconds. -
Page 13: Connection A-Link Dongle And Demo Board
A31L214 Demo Board 9. Connection A-Link dongle and Demo board Connection A-Link dongle and Demo board Figure 7. Connection A-Link dongle and Demo board... -
Page 14: References
10. References A31L214 Demo Board References A31L21x User’s Manual A31L21x Datasheet Example Code A31L214 Low power demo board circuit & artwork... -
Page 15: Revision History
A31L214 Demo Board Revision History Revision History Version Date Description 1.00 Apr. 22, 2022 Initial version created 1.10 Oct. 17, 2022 Format change... - Page 16 ABOV Semiconductor ("ABOV") reserves the right to make changes, corrections, enhancements, modifications, and improvements to ABOV products and/or to this document at any time without notice. ABOV does not give warranties as to the accuracy or completeness of the information included herein. Purchasers should obtain the latest relevant information of ABOV products before placing orders.
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