T89C5115_08 ATMEL [ATMEL Corporation], T89C5115_08 Datasheet - Page 42

• Manufacturer Part Number: T89C5115_08
• Description: Low Pin Count 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

Operation Cross Memory Access
Table 25. Cross Memory Access
Note:
42
boot FLASH
FM0
1. RWW: Read While Write
AT89C5115
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)
4128G–8051–02/08
XROW
OK
OK
-
-
(1)