8051 works in 11.0592MHZ, RAM expansion for the 128KB of 628128, FlashRom extend...

8051工作于11.0592MHZ,RAM扩展为128KB的628128,FlashRom扩展为128KB的AT29C010A 128KB的RAM分成4个区(Bank) 地址分配为0x0000-0x7FFF 128KB的FlashRom分成8个区(Bank) 地址分配为0x8000-0xBFFF 为了使8051能访问整个128KB的RAM空间和128KB的FlashRom空间,在CPLD内建两个寄存器 RamBankReg和FlashRomBankReg用于存放高位地址-8051 works in 11.0592MHZ, RAM expansion for the 128KB of 628128, FlashRom extended AT29C010A 128KB to 128KB of the RAM is divided into four zones (Bank) Address Assignment for the 0x0000-0x7FFF 128KB FlashROM divided into eight zones (Bank) Address Assignment for the 0x8000- 0xBFFF in order to enable the 8051 to access the entire 128KB and 128KB of RAM space of FlashROM space, two built-in CPLD register RamBankReg and used to store high FlashRomBankReg Address

cpld.txt