1.0概述
FM8PU86是一个8位微处理器的嵌入式设备量身定做的USB应用程序。它包括一个8位RISC CPU核心，192～256字节SRAM，全速和低速USB接口和一个6K×14 OTP-ROM内部程序。
2.0特性
支持全速和低速USB1.1规格，内置的USB收发器和3.3V稳压器支持USB挂起和恢复功能的一个控制IN/ OUT，两个INT端点和两个批量端点192字节的内部带有USB接口，支持PS2的兼容接口份额SRAM的散装模式;256（192+64）字节内部SRAM在INT模式。 6K×14内部程序OTP-ROM的8位RISC CPU核心。支持主/从SPI串行通信接口支持四个用户配置的终端
¾多达三个8字节数据端点（EP0，EP1，EP2）
¾最多两个32字节的数据端点（EP3，EP4）
内部振荡器¾内部+/-4％的??24MHz振荡器¾0.25％的精度USB无需额外的组件
内置编程PLL外部振荡器或晶体。通用可编程IO接口5V电源; GPIO支持1.8V～5V接口。支持SSC以降低EMI

1.0 General Description
The FM8PU86 is an 8-bit microprocessor embedded device tailored to the USB application. It includes an 8-bit RISC CPU core, 192~256 byte SRAM, Full Speed and Low Speed USB Interface and a 6K x 14 internal program OTP-ROM.
2.0 Features
Support Full-Speed and Low-Speed USB 1.1 specification Built-in USB Transceiver and 3.3V regulator Support USB Suspend and Resume function One Control IN/OUT , two INT endpoints and two BULK endpoints Support PS2 compatible interface share with USB interface 192 bytes internal SRAM in BULK mode;256(192+64) bytes internal SRAM in INT mode. 6K x 14 internal program OTP-ROM 8-bit RISC CPU core . Support Master/Slave SPI serial Communication Interface Support up to four user configured endpoints
¾ Up to three 8-byte data endpoints (EP0,EP1,EP2)
¾ Up to two 32-byte data endpoints (EP3,EP4)
Internal Oscillator ¾ Internal +/-4% 24MHz Oscillator ¾ 0.25% uracy for USB without extra component
Built-in programming PLL for external Oscillator or crystal. General-purpose programmable-level IO interface 5V power supply only; GPIO support 1.8V~5V interface. Support SSC to reduce EMI