Eeprom Data Register (Eepdr); Serial Eeprom Operation Procedure - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

6.11.3 EEPROM Data Register (EEPDR)

Address: 0x0100 to 0x02FF Initial value: Not defined
D7 D6
EEPDR_D7 EEPDR_D6
R/W R/W
This register consists of 512 8-bit data in the above format.
EEPDR address
An EEPROM address corresponds to an EEPDR address. When a read/write operation is performed on the
EEPROM, the EEPDR address must be specified for the operation.

6.11.4 Serial EEPROM Operation Procedure

[Initial Setting]
(1) The START bit of the EEPCR register is set to "1."
[For a read/write operation to the serial EEPROM]
(1) An EEPDR address corresponding to an EEPROM address must be specified for a read/write
operation.
When the START bit of the EEPCR register is "0," read/write data is not guaranteed.
D5
EEPDR_D5 EEPDR_D4
R/W R/W
0x0100
0x0101
0x02FE
0x02FF
D4 D3
EEPDR_D3
R/W
8 bit
8 bit
-
-
-
8 bit
8 bit
CAUTION
91
Power Supply Controller
D2 D1
EEPDR_D2 EEPDR_D1
R/W R/W
D0
EEPDR_D0
R/W