81
H'B800 H'B801
H'B83E H'B83F
H'B840 H'B841
H'B87E H'B87F
H'F9C0
Page 0
Page 1
Page 263
H'F9C1
H'F9FE H'F9FF
Selector
64 bytes
Data
Figure 8.6 EEPROM Memory Organization (H8/3158)
8.1.4
Register Configuration
Writing and erasing of the EEPROM are controlled by the registers listed in table 8.1.
Table 8.1
EEPROM Registers
Register
Abbr.
R/W
Initial Value
Address
EEPROM control register
ECR
R/W
H'FF
H'FFF8
EEPROM protection register
EPR
R/W
H'FF
H'FFF9