4 layers57.4 × 23.9 mm
2 layers55.3 × 28.1 mm
UINIO USB Serial
uinika/UINIO-USB-Serial2A Serial Protocol Converter base on CH347T related I2C & SPI and so on.
- Size
- 55.3 × 28.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 33
- Nets
- 32
- Pads
- 127
- Tracks, vias
- 262, 65
- Pours
- 174
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 25 Dec 2023
- Updated
- 12 Mar 2024
Overview
UINIO USB Serial is an open-source printed circuit board by uinika, from the uinika/UINIO-USB-Serial repository on GitHub. It is a 2-layer board of 55.3 × 28.1 mm with 33 parts on 32 nets, routed with 262 tracks and 65 vias.
It is built around the CH347T and ME6211C33M5G-N. Its parts include 9 resistors, 7 connectors, 6 capacitors, 2 ICs and 2 diodes. It belongs with the interfaces and adapters boards of this library.
Main components
2
CH347T
TSSOP-20-40℃~+85℃ 2 3V、3.3V、3.6V 9Mbps USB 2.0 USB to UART、USB to SPI、USB to I2C、USB to JTAG TSSOP-20 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
ME6211C33M5G-N
SOT-23-5-40℃~+150℃ 1 120mV@(100mA) 3.3V 500mA 50uVrms 60uA 6V 70dB@(1kHz) Fixed Over Current Protection、Enable、Short Circuit Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMICRONEVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdUINIO-USB-Serial 串行协议转换器
UINIO-USB-Serial 是一款基于沁恒高速 USB 2.0 转接芯片 CH347T 的 USB 串行协议转换工具，支持 USB 接口转 GPIO、UART、I²C、SPI、JTAG, 可以用于调试 3.3V 电平的微控制器与外设的通信，也可以配合使用 UINIO-Signal-Translator 完成 3.3V 到 1.8V 的高速信号转换，从而实现对 FPGA 芯片的调试与下载。
设计概要
- 主控芯片 CH347T 采用了易于购买的
TSSOP20封装； - 工作模式采用
P1与P2排针的跳线帽进行配置； - 添加有 5 个
1mm直径固定螺丝孔，方便与外壳进行固定组装； - 分类引出了 UART1 和 UART2、SPI、I²C、JTAG 五条通信总线的排针，配置好工作模式之后就可以快速接线使用；
- 配合 UINIO-Signal-Translator 可以将电平信号转换为 FPGA 芯片常用的
1.8V；
工作模式简介
UINIO-USB-Serial 可以支持下面的四种工作模式：
- USB ➞ UART：支持两路 UART 串行接口，每一路的波特率最高可以达到
9Mbps。 - USB ➞ I²C：处于 I²C 主设备模式，支持 4 种传输速度。
- USB ➞ SPI：处于 SPI 主设备模式，最高频率可以达到
36MHz，并且支持 2 路片选信号线，可以分时操作两个 SPI 从设备。 - USB ➞ JTAG：支持标准四线 JTAG 协议，最高频率可以达到
18Mbit/s。
工作模式配置
这些模式分别由 CH347T 的 DTR1 和 RTS1 引脚的电平状态进行控制：
| 排针 P1 | 排针 P2 | 工作模式 |
|---|---|---|
低电平 | 低电平 | UART1 + JTAG |
高电平 | 高电平 | UART1 + UART0 |
高电平 | 低电平 | UART1 + SPI + I2C (HID) |
低电平 | 高电平 | UART1 + SPI + I2C (VCP) |
参考技术文档
UinIO.com 电子技术实验室 为 UINIO-USB-Serial 开源项目提供了如下一系列技术参考资料：
Parts
33| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 4.7K | Resistor_SMD:R_0402_1005Metric | R1, R6, R7, R8, R9 |
| 5 | Hole-1mm | Uinio:Hole-1mm | HOLE**, HOLE**, HOLE**, HOLE**, HOLE** |
| 3 | Conn_01x07_Pin | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J1, J4, J7 |
| 2 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C1, C3 |
| 2 | 1uF | Capacitor_SMD:C_0603_1608Metric | C5, C6 |
| 2 | 20pF | Capacitor_SMD:C_0402_1005Metric | C2, C4 |
| 2 | 2K | Resistor_SMD:R_0402_1005Metric | R4, R5 |
| 2 | 5.1K | Resistor_SMD:R_0603_1608Metric | R2, R3 |
| 1 | 8MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | CH347T | Uinio:TSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL | U1 |
| 1 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | Conn_01x10_Pin | Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical | J2 |
| 1 | LED Blue | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | LED_Red | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | ME6211C33M5G | Uinio:SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR | U2 |
| 1 | USB_Type_C_16Pin | Uinio:USB-C-SMD_TYPEC-304J-BCP16 | USB1 |
| 1 | 排针P1 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | 排针P2 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6 |
Questions
How big is the UINIO USB Serial PCB?
It measures 55.3 × 28.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the UINIO USB Serial use?
33 parts, built around the CH347T and ME6211C33M5G-N. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the UINIO USB Serial KiCad files?
From the uinika/UINIO-USB-Serial repository on GitHub, at the commit this page was made from: the board is UINIO-USB-Serial.kicad_pcb and its schematic UINIO-USB-Serial.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the UINIO USB Serial design in my own project?
Its repository states no licence, so its author keeps all rights: ask uinika before reusing the design.
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