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Figure 4 identifies the major components on the Display Shield.

Touch and ALS

Signal Header

Figure 4. Apollo4 Plus Display Shield Parts Locations

The Display Kit has these additional features:

▪ Apollo4 Plus Display Shield

- 1.4" 454*454 Pixel MIPI AMOLED Display

- Display Laminated Capacitive Touch Sensor - TMA525C

- 256 Mb HexSPI Double-Data-Rate (DDR) Enabled PSRAM - APS256XXN

- 64Mb OctalSPI DDR Enabled Flash Memory - IS25WX064

- 4 GB x1/x4/x8 e-MMC Module - THGBMNG5D1LBAIT

- 3-Axis MEMS Accelerometer - ADXL362

▪ Apollo4 Plus AMAP4PEVB Evaluation Board

- USB Type C connector for power/download/debug

- USB Type C connector for power/data to Apollo4 Plus

- Segger J-Link debugger

- Debugger-in port (SWD or ETM)

- Three user-controlled LEDs

- Two push buttons for application use, plus a reset push button

- Power slide switch with LED power indicator

- 3.5 mm Audio Jack (SJ-435107) for evaluating low-power analog audio interface

For a full overview of the Apollo4 Plus EVB's offerings, please refer to the AMAP4PEVB Quick Start Guide,

which includes information about the debug interface.

Caution: The EVB has components loaded on the back of the board. Care should be taken to not damage

these components.

QS-A4PDK-1p0

Apollo4 Plus Display Kit Quick Start Guide

Accelerometer

Load

Switch

1.4" AMOLED

Display

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NOR

Display signal

Flash

Header

eMMC

Header

eMMC

Memory

2022 Ambiq Micro, Inc.

MSPI1

MSPI0

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