at89c51cc02ua-tdsum ATMEL Corporation, at89c51cc02ua-tdsum Datasheet - Page 44

• Manufacturer Part Number: at89c51cc02ua-tdsum
• Description: At89c51cc02, T89c51cc02 Enhanced 8-bit Microcontroller With Can Controller And Flash
• Manufacturer: ATMEL Corporation

Operation Cross
Memory Access
Table 26. Cross Memory Access
Note:
44
boot FLASH
FM0
1. RWW: Read While Write
AT/T89C51CC02
Action
Read
Write
Read
Write
RAM
Space addressable in read and write are:
•
•
•
•
•
•
•
•
The table below provides the different kind of memory which can be accessed from dif-
ferent code location.
ERAM
RAM
ERAM (Expanded RAM access by movx)
EEPROM DATA
FM0 ( user flash )
Hardware byte
XROW
Boot Flash
Flash Column latch
Boot FLASH
OK
OK
-
-
OK (idle)
FM0
OK
OK
OK
(1)
E² Data
OK
OK
OK
OK
(1)
(1)
Hardware
Byte
OK
-OK
OK
-
(1)
4126L–CAN–01/08
XROW
OK
-OK
-
-
(1)