SEGGER Microcontroller GmbH
SEGGER RL78 14-Pin Programming Adapter (8.06.20)
SEGGER RL78 14-Pin Programming Adapter (8.06.20)
SKU: 8.06.20
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Key Features
Overview
Why Engineers Choose The SEGGER RL78 14-Pin Programming Adapter (8.06.20)
Production Programming
Universal RL78 Support
Flexible Power Options
Convert Standard J-Link to Renesas E1 Connector
The SEGGER RL78 14-Pin Programming Adapter seamlessly converts the standard 20-pin 0.1" J-Link connector to the Renesas-defined 14-pin E1 connector, enabling efficient flash programming of RL78 microcontrollers. This essential adapter bridges the gap between SEGGER's Flasher programming tools and Renesas RL78 target hardware.Supported RL78 Microcontroller Cores
| Family | Supported Cores |
|---|---|
| RL78/D Series | RL78/D1A |
| RL78/F Series | RL78/F12, RL78/F13, RL78/F14, RL78/F15 |
| RL78/G Series | RL78/G10, RL78/G11, RL78/G12, RL78/G13, RL78/G14 |
| RL78/G1 Series | RL78/G1A, RL78/G1C, RL78/G1D, RL78/G1E, RL78/G1F, RL78/G1G, RL78/G1H |
| RL78/I Series | RL78/I1A, RL78/I1B, RL78/I1C, RL78/I1D, RL78/I1E |
| RL78/L Series | RL78/L12, RL78/L13, RL78/L1A, RL78/L1C |
Selectable Target Supply Voltage
The adapter provides flexible power options with jumper-selectable 3.3V or 5V supply voltage. When the supply option is jumpered, the target is powered via the VTREF connection, eliminating the need for external power during programming operations.Wiring Quick-Start
Essential Connections
Pin 1: GND Pin 2: GND Pin 3: VDD Pin 4: RSTPU (Pull-up resistor for reset) Pin 5: TOOL0 (Bidirectional data line) Pin 6: RESET_IN Pin 8: VSS Pin 10: RESET_OUT Pin 12: GND Pin 13: RESET_OUT Pin 14: GND TOOL0 Pull-up Configuration
RL78 devices use open-drain TOOL0 pins requiring external pull-up resistors. While evaluation boards typically include these resistors, the adapter features an additional solder bridge between VTREF and TOOL0 to accommodate targets without built-in pull-ups.Programming Interface Specifications
| Parameter | Specification |
|---|---|
| Input Connector | 20-pin 0.1" standard (J-Link compatible) |
| Output Connector | 14-pin E1 connector (Renesas standard) |
| Supply Voltage | 3.3V or 5V (jumper selectable) |
| Communication Protocol | Single-line UART via TOOL0 |
| Target Current | Up to 500mA |
| General Information | |
|---|---|
Product Type |
Adapter
|
Part Number (SKU) |
8.06.20
|
Manufacturer |
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| Physical and Mechanical | |
Weight |
0.02 kg
|
| Other | |
Warranty |
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HS Code Customs Tariff code
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EAN |
5055383605743
|
Frequently Asked Questions
Have a Question?
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How do I connect this adapter to my programming setup?
Connect the 20-pin connector to your SEGGER Flasher device, then connect the 14-pin ribbon cable to your target board's E1 connector. Configure voltage selection jumper as needed and ensure proper ground connections.
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Can I use this adapter for in-circuit programming?
Yes, this adapter is designed for in-circuit programming applications. It allows programming of RL78 devices that are already soldered onto target PCBs through the 14-pin E1 connector interface.
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What programming protocols does the adapter support?
The adapter supports single-line UART communication via the TOOL0 pin, which is the standard programming interface for RL78 microcontrollers. Communication rates up to 1MHz are supported.
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Is this adapter compatible with all SEGGER Flasher models?
Yes, the adapter is compatible with all SEGGER Flasher programming tools including Flasher PRO, Flasher Compact, Flasher ATE2, and other models that use the standard 20-pin 0.1" connector.
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Can this adapter power my target board during programming?
Yes, when the supply jumper is configured, the adapter can provide either 3.3V or 5V to power the target via the VTREF connection. Maximum target current is 500mA.
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What cable is included with the adapter?
The adapter includes a 14-pin ribbon cable for connecting to your target hardware. The cable provides all necessary signal connections between the adapter and the RL78 target board.
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Do I need external pull-up resistors for the TOOL0 line?
RL78 devices require pull-up resistors on the TOOL0 line. While most evaluation boards include these resistors, the adapter provides an additional solder bridge between VTREF and TOOL0 for targets without built-in pull-ups.
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How do I select between 3.3V and 5V target supply voltage?
The adapter features a jumper that allows selection between 3.3V and 5V supply voltage. When the supply option is jumpered, the target receives power via the VTREF connection. Remove the jumper if your target has independent power supply.
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Can I use this adapter with J-Link debug probes for debugging?
No, this adapter is exclusively designed for flash programming with SEGGER Flasher tools. It cannot be used with J-Link debug probes and does not support debugging functionality. For debugging RL78 devices, use standard J-Link adapters.
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What RL78 microcontrollers does this adapter support?
The adapter supports the complete RL78 family including D1A, F12-F15, G10-G14, G1A-G1H, I1A-I1E, and L12-L1C series microcontrollers. It works with all devices that use the standard 14-pin E1 connector interface defined by Renesas.