Waveshare 7.5 inch NFC-Powered e-Paper Kit No Battery

Near Field Communication (NFC) development board based on ST25R3911B with AT32F413RBT7 controller, multiple peripheral resources and interfaces on board, is a good choice for you to learn and develop NFC!

Chip Profile

1. AT32F413RCT7
Core: ARM® 32-bit CortexTM-M4F
Operating frequency:200MHz
Operating Voltage:2.0V~3.6V
Package:LQFP64
Internal
Storage:256KB Flash, 160KB SRAM
Interface resources: 2 x SPI, 5 x UART, 2 x 12C, 2 x CAN, 2 x SDRAM, 2 x SATA, 2 x SATA, 2 x SATA, 2 x SATA
2 x 12C, 2 x CAN, 1 x USB, 1 x SDI
1 x USB, 1 x SDIO
Analog-to-digital converter: 2 x AD (12-bit, 16-channel)
2. ST25R3911B
NFC chip
3. 23LC1024
SRAM chip, 1MB
4. CP2102
USB to UART chip, convenient debugging
5. SPX3819
3.3V power regulator
Other resources interface description
6.1.3-inch OLED display
Blue screen, resolution of 128x64, SH1106 driver
7. User buttons
Four user buttons, easy to use
8.User Indicator Lights
Two user indicators
9. MCU unoccupied pin interface
10. USB to UART interface
11. Micro SD card slot
12.SWD download interface
13.NFC induction coil
14.UART control pin setup soldering point
RXD: Default is RXD2, can be changed to RXD1 through 0Q resistor.
RXD1
TXD: Default is TXD2, can be changed to RXD1 by 00 resistor.
TXD1