Michel-FK 3839a51f7b first proposed structure
Signed-off-by: Michel-FK <michel.stempin@funkey-project.com>
2020-12-18 15:39:40 +01:00

32 lines
1.5 KiB
Markdown

The FunKey S is a small foldable retro-gaming console.
Its electronic parts consist in:
- 1x main PCB (0.8 mm thickness) with components on both sides, the maximum component height above PCB on both sides is 1.5 mm. Current revision for this board is Revision E
- 1x 1.54” IPS LCD TFT screen with SPI interface and using a custom flex cable
- 1x 420 mAh 402540 LiPo battery
![FunKey S Block Diagram](/assets/images/FunKey%20S%20Block%20Diagram.png)
The FunKey S PCBA Rev. E contains the following main components:
- 1x Allwinner V3s SoC with integrated 64MB DDR2 DRAM (LQFP128 package)
- 1x X-Powers AXP209 companion PMIC chip to provide almost all required power supply rails (QFN48 package)
- 1x Sylergy SY8088 Buck DC/DC SMPS chip to provide the DRAM power supply rail (SOT23-5 package)
- 1x NXP PCAL6416 I2C GPIO expander to control all buttons and keypads (except Power Key) (QFN24 package)
- 1x Diodes Inc. PAM8301 mono audio amplifier (TSOT26 package)
- 1x 24 MHz main crystal
- 1x 32.768 kHz RTC crystal
- 1x Standex-Meder MK24 Reed switch for magnet proximity detection
- 1x LED for charge indication
- 1x 8 Ω 0.3 W built-in speaker
- 1x Micro USB edge-mounted connector
- 1x Micro SD (TF Card) Push/Push low-profile connector
- 1x Hirose DF37 0.4 mm pitch miniature LCD connector
- 1x JST 1 mm pitch battery connector
- 1x 1.27 mm pitch debug UART header (not mounted)
![FunKey Top](/assets/images/FunKey%20S%20Top.png)
![FunKey Bottom](/assets/images/FunKey%20S%20Bottom.png)