HARDWARE.md

Hardware

• Battery : Li-ion 4.2v 600mAh
  Model 503040 - 1INP5/31/41
• Voltage Regulator : AP7362 (DIODES) 4.2v -> 3.3v
• Battery Management System (BMS) : MCP73833
• Main CPU : STM32F730Z8T6 - Cortex M7
  RAM : 256KB / Flash : 64KB
  • RM0431 - Reference manual
  • PM0253 - Programming manual
• External Flash : adesto AT25SF041 - 4Mbits (512KB) QSPI interface
• SD 16GB (SDIO interface)
• ST25DV04K (I2C interface)
  • Datasheet
  • AN5439 - Application note
• Audio ampli : PAM8019

Peripherals Mapping

(recovered from TM_dump_sate)

• GPIOA
  • Audio Jack inserted
  • USB Connected
  • Bouton 1
• GPIOC
  • Bouton 2
  • Bouton 3
• GPIOD
  • Molette
  • Hardware Verion on 0x0F
• GPIOF - battery level (linked to DAC)
• GPIOB - audio chip / HP
• GPIOE - display ?

Check for pin mapping (UART4)

Pictures

Main Board

STM32F730Z8T6

External Flash & NFC Frontend

Battery