RL78/D1A User's Manual: Hardware - Renesas

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Under development Preliminary document Specifications in this document are tentative and subject to change. RL78/D1A CHAPTER 28 FLASH MEMORY Table 28-4. Relationship Between TOOL0 Pin and Operation Mode After Reset Release TOOL0 Operation Mode VDD Normal operation mode 0 Flash memory programming mode There is one flash memory programming modes for which the voltage range in which to write, erase, or verify data differs. Table 28-5. Programming Modes and Voltages at Which Data Can Be Written, Erased, or Verified Mode Voltages at which data can be written, erased, or verified Writing Clock Frequency Full speed mode Note 2.7 V to 5.5 V 32 MHz (MAX.) Note This can only be specified if the CMODE1 and CMODE0 bits of the option byte 000C2H are 1. Specify the mode that corresponds to the voltage range in which to write data. When programming by using the dedicated flash memory programmer, the mode is automatically selected by the voltage setting on GUI. Remarks 1. Using the full speed mode imposes no restrictions on writing, deletion, or verification. 2. For details about communication commands, see 28.5.4 Communication commands. 28.5.3 Selecting communication mode Communication mode of the RL78/D1A as follows. Table 28-6. Communication Modes Note 1 Standard Setting Mode Port Speed Note 2 Frequency Multiply Rate Communication 1-line mode (when flash memory programmer is used) Dedicated UART (when external device is used) UART 115200 bps, 250000 bps, 500000 bps, 1 Mbps UART 115200 bps, 250000 bps, 500000 bps, 1 Mbps Pins Used TOOL0 TOOLTxD, TOOLRxD Notes 1. Selection items for Standard settings on GUI of the flash memory programmer. 2. Because factors other than the baud rate error, such as the signal waveform slew, also affect UART communication, thoroughly evaluate the slew as well as the baud rate error. R01UH0317EJ0004 Rev. 0.04 1173 Feb. 22, 2013
Under development Preliminary document Specifications in this document are tentative and subject to change. RL78/D1A CHAPTER 28 FLASH MEMORY 28.5.4 Communication commands The RL78/D1A communicates with the dedicated flash memory programmer or external device by using commands. The signals sent from the flash memory programmer or external device to the RL78/D1A are called commands, and the signals sent from the RL78/D1A to the dedicated flash memory programmer or external device are called response. Figure 28-9. Communication Commands Dedicated flash memory programmer PG-FP5, FL-PR5 E1 External device (such as microcontroller and ASIC) Command Response RL78/D1A The flash memory control commands of the RL78/D1A are listed in the table below. All these commands are issued from the programmer or external device, and the RL78/D1A perform processing corresponding to the respective commands. Table 28-7. Flash Memory Control Commands Classification Command Name Function Verify Verify Compares the contents of a specified area of the flash memory with data transmitted from the programmer. Erase Block Erase Erases a specified area in the flash memory. Blank check Block Blank Check Checks if a specified block in the flash memory has been correctly erased. Write Programming Writes data to a specified area in the flash memory. Getting information Security Others Silicon Signature Gets the RL78/D1A information (such as the part number, flash memory , and firmware version configuration). Checksum Gets the checksum data for a specified area. Security Set Sets security information. Security Get Gets security information. Security Release Release setting of prohibition of writing. Reset Used to detect synchronization status of communication. Baud Rate Set Sets baud rate when UART communication mode is selected. The RL78/D1A returns a response for the command issued by the dedicated flash memory programmer or external device. The response names sent from the RL78/D1A are listed below. Table 28-8. Response Names Response Name Function ACK Acknowledges command/data. NAK Acknowledges illegal command/data. R01UH0317EJ0004 Rev. 0.04 1174 Feb. 22, 2013
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User’s Manual 16 RL78/D1A 16-Bit
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NOTES FOR CMOS DEVICES (1) VOLTAGE
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Conventions Data significance: High
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CONTENTS CHAPTER 1 OUTLINE.........
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6.8 Operation of Plural Channels of
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RL78/D1A User’s Manual: Hardware
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