MB89180 Series
s PROGRAMMING TO THE EPROM ON THE MB89P875
The MB89P185 is an OTPROM version of the MB89180 series.
1. Features
• 16-Kbyte PROM on chip
• Options can be set using the EPROM programmer.
• Equivalency to the MBM27C256A in EPROM mode (when programmed with the EPROM programmer)
2. Memory Space
Memory space in the EPROM mode is diagrammed below.
Normal operating mode
0000H
I/O
0080H
0180H
RAM
Not available
8000H
Not available
C000H
ROM
16 KB
EPROM mode
(Corresponding address on the EPROM programmer)
0000H
3FF0H
3FF6H
4000H
Vacancy
(Read value undefined)
Option area
Vacancy
(Read value undefined)
Program area
(EPROM)
16 KB
FFFFH
7FFFH
15