
MB90330 Series
84
22. 3 Mbits flash memory
The description that follows applies to the flash memory built in the MB90F334A; it is not applicable to evaluation
ROM or masked ROM.
The flash memory is located in bank FF in the CPU memory map.
Function to flash memory
* : Embedded Algorithm is a trade mark of Advanced Micro Devices Inc.
Description
Memory capacity
3072 Kbits (384 KB)
384 Kwords
×
8 bits/192 Kwords
×
16 bits
64 KB
×
5
+
32 KB
+
8 KB
×
2
+
16 KB
Possibility that set up with a recommendation parallel writer
Memory configuration
Sector configuration
Sector protect function
Program algorithm
Automatic program algorithm (Embedded Algorithm* : Similar to MBM29LV400TC)
Compatibility with the JEDEC standard-type command
Built-in deletion pause/deletion resume function
Detection of programming/erasure completion using data polling and the toggle bit
Capable of erasing data sector by sector (in arbitrary combination of sectors)
At least 10,000 times guaranteed
Parallel programmer available for programming and erasure
(Ando Denki : AF9708, AF9709, AF9709B)
Can be written and erased using a dedicated serial writer
(Yokogawa Digital Computer Corporation : AF220/AF210/AF120/AF110)
Write/delete operation by program execution
Programming/erasure completion sources
Operation command
Program/Erase cycle
How to program and
erase memory
Interrupt source
EI
2
OS supports
Not ready for expanded intelligent I/O service (EI
2
OS).