简介
EJ198和EJ188 是一款 PCIe Gen2 x2 lanes转USB 3.0的主机控制器,该控制器符合 PCIe 2.0 版规范、USB 3.0 规范以及可扩展主机控制器接口(xHCI)1.0 版标准。EJ198 为 PC 主机系统配备了 PCIe 第二代双通道,同时拥有四个 USB 3.0 下游端口。这些端口可兼容 USB 3.0 和现有的 USB 2.0/1.1 外设,可提供超高速(SuperSpeed)、高速(HighSpeed)、全速(FullSpeed)和低速(LowSpeed)信号。

特性
■ Host Interface
- Compliant with the PCI Express Base Specification Revision 2.0
● Support PCIe Gen2 x2 lanes
- Supports the PCI Bus Power Management Interface Specification Revision 1.2
- Supports the SPI/I2C type ROM/flash
- System clock uses either 25MHz crystal or external clock
- 3.3V for I/O power and 1.2V for core power
■ USB interface
- Compliant with the Universal Serial Bus 3.0 specification Revision 1.0
● Supports data rate :
▪ LowSpeed(1.5 Mbps)
▪ FullSpeed(12 Mbps)
▪ HighSpeed(480 Mbps)
▪ SuperSpeed(5 Gbps)
● Four downstream USB3.0 ports
● Support USB data transfer types:
▪ Control
▪ Bulk(stream)
▪ Interrupt
▪ Isochronous transfer
● Compliant with eXtensible Host Controller Interface (xHCI)
Specification revision 1.0
■ Package
- 88-QFN (10 x 10)
应用
※ PCI-e转USB拓展卡
※ USB转接卡
| Part Number | Package | Description | Download |
| EJ188 | QFN88 | USB 3.0 Host Controller,PCIe GEN2.0 x2 lanes, | |
| EJ198 | QFN88 | USB 3.0 Host Controller,PCIe GEN2.0 x2 lanes, |
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