RF14 datasheet(51/56 Pages) RENESAS

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RL78 Family

Chapter 6

Software Resources and Processing Time

EEPROM Emulation Library Pack02

R01US0068EJ0100

Rev.1.00

Page 51 of 53

Mar. 28, 2014

2: The RL78/G12, L12 and G1C product does not support the EEL

3: An area used as the working area by the EEL is called self-RAM in this manual and the release note. The

self-RAM requires no user setting because it is an area that is not mapped and automatically used at

execution of the EEL (previous data is discarded). When the EEL is not used, the self-RAM can be used as

a normal RAM space.

For the RL78 microcontroller with self-RAM, the chapter of "memory space" in the user's manual of the

RL78 microcontroller has a note on an area (self-RAM) whose usage is prohibited during self-programming.

If the above table does not include the target RL78 microcontroller, refer to the user's manual of the target

RL78 microcontroller.

4: The data buffer is used as the working area for EEL internal processing or the area where the data to be

set is allocated in the EEL_Execute function. The required size depends on the function to be used.

Table 6-4

Data Buffer Size Used by EEL Functions

Note: An additional 5-byte area is used by the request structure.

Figure 6-2

Arrangement Example of Self-RAM and Addresses FFE20H to FFEFFH

(RL78/G13: product with 4-Kbyte RAM and 64-Kbyte ROM)

Function Name

Bytes

Function Name

Bytes

FDL_Init

EEL_Close

FDL_Open

EEL_Execute

Note

0 to 255

FDL_Close

EEL_Handler

Note

0 to 255

EEL_Init

EEL_GetSpace

EEL_Open

EEL_GetVersionString

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