Memory Maps - Renesas PROM Programming Adapters PCA7441 User Manual

4.2 Memory Maps

Figure 4.1 shows memory maps of the MCU and the PROM programmer.
0000h
XXXXh
3FFFh
4000h
YYYYh
7FFFh
Figure 4.1 Memory maps
PROM programmer
*1 Lower 5 bits
*2
Upper 5 bits
*1
*2
*1: This area is fixed to "1" on the PROM programmer.
*2: Set "FFh".
*3: When writing, the lower 5 bits and the upper 5 bits are divided and then written into
the MCU.
*4: When reading, "1" is read out.
ROM capacity
E4
E8
ED
ZZZZZ XXXX
4,096 0FFF
8,192 1FFF
16,384 3FFF
( 14 / 18 )
MCU
3
Programming area*
(10 bits x ZZZZZ words)
4
Unused area*
YYYY
4FFF
5FFF
7FFF
0000h
XXXXh
3FFFh