可编程逻辑器件Chapter 5 Memory Devices
z Introduction
z Read-Only Memories (ROM)
z Random-Access Memories (RAM)
z Special Memory Functions
4/27/2004 Copyright preserved by Prof. LUO, Tsinghua UNIV. 387
Special Memory Functions
z Cache memory
z Communicate directly with the CPU at high-speed,
obtain the program instructions and data transferred
from the slower, cheaper internal memory
z Volatile
z 512K
z First-In, First-Out Memory (FIFO)
z Used as a data-rate buffer between a slow device, such
as a keyboard, and a high-speed computer
z Refer to LIU Yongpan’s presentation
4/27/2004 Copyright preserved by Prof. LUO, Tsinghua UNIV. 388
Reference
Circu……