Renesas Flash Programmer Sample Circuit for Programming PC serial.pdf

Customer NotificationRenesas Flash Programmer Sample Circuit for Programming by Using a PC’s Serial Port MCU Tool Product Marketing Department, MCU Software Division, MCU Business Unit Renesas Electronics Corporation 2012/10/24 Rev. 3.00 © 2012 Renesas Electronics Corporation. All rights reserved. R20UT0857EJ0300 About Pull-up and pull-down resistor values. Sample Type A Circuit (2-wire UART) Leave unused pins open. RxD and _RESET See the data sheet from the IC manufacturer for the way of setting Note Resistance is assumed to 4. RTS 9-pin D-SUB COM signal connector conversion IC (female) Inverter Note Note TxD FLMD0 RxD Short these pins before power up Note _RESET Microcontroller See the microcontroller's manual for the names of the pins used for programming and how to handle them Reset circuit Short these pins before power up Target system Assumed to be MAX232A or MAX3232 Specify the same operating voltage as the microcontroller pins TxD. A list of the microcontroller models and types that can be used with Renesas Flash Programmer is available from "Renesas Flash Programmer target devices list“ on the following website: http://www. PC with serial ports RS-232C cable (straight type) 2. please check the electrical characteristics of each microcontroller.Sample Type A Circuit R20UT0857EJ0300 This document describes sample circuits for programming the flash memory of a microcontroller by using Renesas Flash Programmer connected to a PC serial port. RxD 3. A sample circuit for each type is shown below. . there might be timing differences due to the characteristics of the target system and PC.renesas.com/rfp Note: An operation check has been conducted for the sample circuit. However. and use the appropriate resistor values​​.7kΩ. TxD 7. All rights reserved. 2 © 2012 Renesas Electronics Corporation. Renesas is not responsible concerning the applicability of the circuit. The user is responsible for evaluating the circuit and determining whether the circuit can be applied to the user system. Sample Type B Circuit R20UT0857EJ0300 This document describes sample circuits for programming the flash memory of a microcontroller by using Renesas Flash Programmer connected to a PC serial port. A list of the microcontroller models and types that can be used with Renesas Flash Programmer is available from "Renesas Flash Programmer target devices list“ on the following website: http://www. there might be timing differences due to the characteristics of the target system and PC. About Pull-up and pull-down resistor values. PC with serial ports RS-232C cable (straight type) 2. RTS Three state buffer _RESET Inverter Microcontroller Note Note RL78 do not have FLMD0. Short these pins before power up FLMD0 TOOL0 9-pin D-SUB COM signal connector conversion IC (female) Reset circuit Short these pins before power up See the microcontroller's manual for the names of the pins used for programming and how to handle them Target system Assumed to be MAX232A or MAX3232 Specify the same operating voltage as the microcontroller pins TxD. 3 © 2012 Renesas Electronics Corporation. TxD 7. RxD 3. and use the appropriate resistor values​​. The user is responsible for evaluating the circuit and determining whether the circuit can be applied to the user system. . please check the electrical characteristics of each microcontroller. Renesas is not responsible concerning the applicability of the circuit. RxD and _RESET See the data sheet from the IC manufacturer for the way of setting Note Resistance is assumed to 4. However. All rights reserved. A sample circuit for each type is shown below.7kΩ.com/rfp Note: An operation check has been conducted for the sample circuit.renesas. Sample Type B Circuit (1-wire UART) Leave unused pins open. RxD and _RESET See the data sheet from the IC manufacturer for the way of setting Note1 Resistance is assumed to 4. A list of the microcontroller models and types that can be used with Renesas Flash Programmer is available from "Renesas Flash Programmer target devices list“ on the following website: http://www. However. Renesas is not responsible concerning the applicability of the circuit.com/rfp Note: An operation check has been conducted for the sample circuit. assume RX62T Group 4 © 2012 Renesas Electronics Corporation.Sample Type C Circuit R20UT0857EJ0300 This document describes sample circuits for programming the flash memory of a microcontroller by using Renesas Flash Programmer connected to a PC serial port. TxD Note1 Note1 Note2 Note1 MD0 TxD RxD Note2 Note1 Note2 Note1 MD1 _RESET Microcontroller Reset circuit See the microcontroller's manual for the names of the pins used for programming and how to handle them Target system Assumed to be MAX232A or MAX3232 Specify the same operating voltage as the microcontroller pins TxD. there might be timing differences due to the characteristics of the target system and PC.7kΩ. RxD 3. The user is responsible for evaluating the circuit and determining whether the circuit can be applied to the user system. A sample circuit for each type is shown below.renesas. Sample Type C Circuit (2-wire UART) Leave unused pins open. and use the appropriate resistor values​​. Note2 Please set each microcontroller will be entry to the boot mode before power up the target system. *This circuit example. About Pull-up and pull-down resistor values. PC with serial ports RS-232C cable (straight type) 9-pin D-SUB COM signal connector conversion IC (female) 2. All rights reserved. . please check the electrical characteristics of each microcontroller. Renesas Electronics Corporation © 2012 Renesas Electronics Corporation. All rights reserved. R20UT0857EJ0300 .