R01US0068EJ0100 Datasheet, PDF (23/56 Pages) Renesas Technology Corp – EEPROM Emulation Library

RL78 Family
EEPROM Emulation Library Pack02
3.4 Command Operation Flowchart
Chapter 3 EEL Functional Specifications
The figure below shows the basic procedure to perform read and write operations for data flash by using the
EEL.
Figure 3-3 Command Operation Flowchart
Start
(1)EEL_Execute function
(2) Busy state check
Busy
Not busy
(3) EEL_Handler function
(4) Final state check
Abnormal end
Normal end
Normal end
Error
(1) EEL_Execute function
Perform operations for data Flash.
(2) Busy state check
Check status_enu of the request structure (eel_request_t). When status_enu is EEL_BUSY, continue the data
flash operation. If status_enu is other than EEL_BUSY, terminate the data flash operation with an error.
(3) EEL_Handler function
Control the EEL while it is running. By repeating the execution of the EEL_Handler function, continue the
data flash operation.
(4) Final state check
If the final state is EEL_OK, the operation ends normally. Otherwise, it will be terminated with an error.
R01US0068EJ0100 Rev.1.00
Mar. 28, 2014
Page 23 of 53