| ??? 07/29/03 15:24 Read: times |
#51652 - RE: EA Latched or Not Latched depends Responding to: ???'s previous message |
EA latched at reset depends on derivative. On the Atmel part T89C51RD2, it is latched on reset only if security is set.
EA 31 35 29 I External Access Enable: EA must be externally held low to enable the device to fetch code from external program memory locations 0000H to FFFFH (RD). If security level 1 is programmed, EA will be internally latched on Reset. |
| Topic | Author | Date |
| External/Internal Program Memory | 01/01/70 00:00 | |
| RE: External/Internal Program Memory | 01/01/70 00:00 | |
| RE: External/Internal Program Memory | 01/01/70 00:00 | |
| RE: External/Internal Program Memory | 01/01/70 00:00 | |
| RE: External/Internal Program Memory | 01/01/70 00:00 | |
| RE: EA Latched or Not Latched depends | 01/01/70 00:00 | |
| RE: EA Latched or Not Latched depends | 01/01/70 00:00 | |
| RE: EA Latched or Not Latched depends | 01/01/70 00:00 | |
| RE: External/Internal Program Memory | 01/01/70 00:00 | |
| RE: External/Internal Program Memory | 01/01/70 00:00 | |
| RE: External/Internal Program Memory | 01/01/70 00:00 | |
| RE: External/Internal Program Memory | 01/01/70 00:00 | |
RE: External/Internal Program Memory | 01/01/70 00:00 |