??? 02/28/04 11:18 Read: times |
#65680 - RE: Can i use the Int ROM with Ext RAM Responding to: ???'s previous message |
Charlie:
In general what you want to do is possible if you have a stock standard 8051 or 8052 type part. Please note however there are now some number of newer style derivative parts that may not offer the possibility of an external bus interface. So I suggest that you review the documents... '51 "Bible" Family Architecture (PDF): Chapter 1: '51 family of microcontrollers, architectural overview '51 "Bible" Programmers Guide (PDF): Chapter 2: '51 programmers guide and instruction set '51 "Bible" Hardware Description (PDF): Chapter 3: '51 Hardware description- stuff that is not in data sheets any more ...to get a good understanding of how the external bus of a stock standard type 8051 works and then look into the datasheet of your specific part to see if the external memory is supported. Michael Karas |
Topic | Author | Date |
Can i use the Int ROM with Ext RAM | 01/01/70 00:00 | |
RE: Can i use the Int ROM with Ext RAM | 01/01/70 00:00 | |
RE: Can i use the Int ROM with Ext RAM | 01/01/70 00:00 | |
RE: Can i use the Int ROM with Ext RAM![]() | 01/01/70 00:00 |