Renesas PROM Programming Adapters PCA7442SP Informations techniques télécharger pdf (Page 16)

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4.2 Memory Maps

Figure 4.1 shows memory maps of the MCU and the PROM programmer.

Figure 4.1 Memory maps

*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 ZZZZZ XXXX YYYY

E4 4,096 0FFF 4FFF

E8 8,192 1FFF 5FFF

ED 16,384 3FFF 7FFF

MCUPROM programmer

0000h

3FFFh

XXXXh

3FFFh

4000h

YYYYh

7FFFh

Upper 5 bits

Lower 5 bits

XXXXh

Programming area*

(10 bits x ZZZZZ words)

Unused area*

0000h

1 2 ... 11 12 13 14 15 16 17 18 19 20

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Renesas PROM Programming Adapters PCA7442SP Informations techniques Page 16