Datasheet
RL78/L12    APPENDIX A REVISION HISTORY 
R01UH0330EJ0200 Rev.2.00      986 
Dec 13, 2013 
(8/10) 
Edition 
Description Chapter 
Rev.1.00 
Modification of Figure 22-1. Block Diagram of Voltage Detector 
CHAPTER 22 
VOLTAGE 
DETECTOR 
Modification of notes 1, 3 in Figure 22-2. Format of Voltage Detection Register (LVIM) 
Addition of Table 22-1. LVD Operation Mode and Detection Voltage Settings for User Option 
Byte (000C1H) 
Modification of 22.4.1 When used as reset mode 
Modification of 22.4.2 When used as interrupt mode 
Modification of description in 22.4.3 When used as interrupt and reset mode 
Modification of figure 22-6 (1/2) 
Modification of figure 22-6 (2/2) 
Modification of remark in 23.1 Overview of Safety Functions 
CHAPTER 23 
SAFETY 
FUNCTIONS 
Addition of description and caution 2 to 23.3.1 Flash memory CRC operation function (high-
speed CRC) 
Modification of Figure 23-3. Flowchart of Flash Memory CRC Operation Function (High-speed 
CRC) 
Addition of description and caution to 23.3.2 CRC operation function (general-purpose CRC) 
Modification of Figure 23-6. CRC Operation Function (General-Purpose CRC) 
Modification of caution in Figure 23-7. Format of RAM Parity Error Control Register (RPECTL) 
Modification of Figure 23-10. Invalid access detection area 
Addition of description to 23.3.8 A/D test function 
Addition of Figure (move from 2.2 Description to Pin Function (preceding editions))  CHAPTER 24 
REGULATOR 
Modification of description in 25.1 Functions of Option Bytes 
CHAPTER 25 
OPTION BYTE 
Modification of description in Figure 25-1. Format of User Option Byte (000C0H) 
Modification of Figure 25-2. Format of User Option Byte (000C1H) 
Deletion of description in 26.1.1 Programming Environment 
CHAPTER 26 
FLASH MEMORY 
Addition of description to 26.2 Writing to Flash Memory by Using External Device (that 
Incorporates UART)
Addition of remark to 26.3 Connection of Pins on Board 
Addition of description, caution and remark to 26.4.1 Data flash overview 
Modification of Figure 26-8. Setting of Flash Memory Programming Mode 
Modification of error in Table 26-4. Relationship Between TOOL0 Pin and Operation Mode 
After Reset Release 
Modification of Table 26-5. Programming Modes and Voltages at Which Data Can Be Written, 
Erased, or Verified 
Modification of description in Table 26-10. Example of Signature Data 
Addition of description and caution to 26.6 Security Settings 
Modification of Table 26-11. Relationship Between Enabling Security Function and Command 
and Table 26-12. Setting Security in Each Programming Mode 
Modification of cautions 2 to 4 to 26.7 Flash Memory Programming by Self-Programming 
Modification of Table 26-13. Programming Modes and Voltages at Which Data Can Be Written, 
Erased, or Verified 
Modification of Table 26-14. Relationship between Flash Shield Window Function 
Setting/Change Methods and Commands 










