Serial Eeprom Control; Eeprom Control Register (Eepcr); Eeprom Status Register (Eepsr) - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

6.11 Serial EEPROM Control

This section describes the EEPROM control functions. Table 6.11 summarizes the serial EEPROM control
registers. For details of each register, refer to 6.11.1 to 6.11.3.
(1) Serial EEPROM (512 bytes) can be read and written.
Register
EEPROM control register
EEPROM status register
EEPROM data register

6.11.1 EEPROM Control Register (EEPCR)

Address: 0x00C0 Initial value: 0x00
D7 D6
0 0
R R
(1) START
START bit
0
1

6.11.2 EEPROM Status Register (EEPSR)

Address: 0x00C1 Initial value: 0x00
D7 D6
0 0
R R
(1) EEPWER
EEPWER bit
0
1
Table 6.11 Serial EEPROM Control Registers
Abbreviation
EEPCR
EEPSR
EEPDR
D5 D4
0 0
R R
The serial EEPROM is disabled. (Initial value)
The serial EEPROM is enabled.
D5 D4
0 0
R R
No error has occurred during an EEPROM write operation.
(Initial value)
An error has occurred during an EEPROM write operation.
Address R/W
0x00C0 R/W
0x00C1 R/W
0x0100~0x02FF R/W
D3 D2
0 0
R R
Setting
D3 D2
0 0
R R
Setting
90
Power Supply Controller
Size
1 byte
1 byte
1 byte x 512
D1 D0
0 START
R R/W
D1 D0
0 EEPWER
R R