accessing eram

I would like to know know how to access the eram in the MCU at89c5131?
accessing eram

I would like to know know how to access the eram in the MCU at89c5131?
ERAM and P2

I am going to use the Philips P89C668 which has 64k flash and 8k ERAM. This allow me to use P0 and P2 for I/O since no external memory chip will be connected. However, if the compiler generates code using...
ERAM and P2

I am going to use the Philips P89C668 which has 64k flash and 8k ERAM. This allow me to use P0 and P2 for I/O since no external memory chip will be connected. However, if the compiler generates code using...
Access to ERAM in AT89C51CC03

The Atmel AT89C51CC03 contains 256 bytes of RAM and 2048 bytes of ERAM What kind of memory access is the fastest? Is also the lower part (128 byes) of the RAM faster than the upper part? How do...