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首页E1/E20 Emulator, E2 Emulator Additional Document for User’s Manu
"E1/E20和E2仿真器用户手册附加文件(RH850/F1L连接说明)"
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更新于2023-11-23
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E1/E20仿真器,E2仿真器用户手册附加文件(RH850/F1L连接说明)是由瑞萨电子公司发布的,适用于RH850系列和RH850/F1x系列设备。所有提供的信息包括产品和产品规格都代表了发布时的产品信息,可能会在不通知的情况下由瑞萨电子公司进行更改。用户应该通过瑞萨电子公司的官方渠道,比如公司网站,查看最新的信息。此外,用户需要注意,文档中关于电路、软件以及其他相关信息的描述只是为了说明半导体产品的操作和应用示例。用户需要对符合特定应用的设计、安装和操作进行充分的负责和评估。
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E1/E20/E2 Emulator 2. Connecting the Emulator and User System
R20UT2452EJ1000 Rev.10.00 Page 9 of 48
Oct.09.20
2.4 Examples of recommended connections between the connector and MCU
This section describes examples of recommended connections between the target MCU and interface circuit.
2.4.1 Example of recommended connections
Multiple recommended examples for connection are given in accord with the purposes for which the emulator is to be
used. Select the appropriate circuit with reference to the table shown below. Be sure to take the specifications of the
target device as well as measures to prevent noise into consideration when designing your circuit.
Purpose
Figure
Both debugging (4-pin LPD) and programming (1-wire UART or 2-wire
UART)
Figure 2-4
Both debugging (1-pin LPD or 4-pin LPD) and programming (1-wire UART
or 2-wire UART)
Figure 2-5
Both debugging (1-pin LPD) and programming (1-wire UART)
Figure 2-6
Only programming (1-wire UART or 2-wire UART)
Figure 2-7
Only programming (1-wire UART)
Figure 2-8
E1/E20/E2 Emulator 2. Connecting the Emulator and User System
R20UT2452EJ1000 Rev.10.00 Page 10 of 48
Oct.09.20
(1) Connection which allows Both debugging (4-pin LPD) and programming (1-wire UART or 2-wire UART)
Figure 2-4 Example of Connection
Refer to section 2.4.2, Connecting the RESET pin, for more information on the reset circuit.
For details on TVDD, refer to section 2.4.3, Connecting the TVDD pin.
Make wiring runs between the 14-pin connector and target device as short as possible (within 50 mm is
recommended). Do not connect the signal lines between the connector and MCU to other signal lines.
Use GND to apply a guard ring for the wiring which runs between the 14-pin connector and target device. Do
not route high-speed signal lines parallel to each other or allow them to cross each other.
Pin names may vary among target devices. Refer to the user’s manual for the target device you are using for the
actual pin names.
Proceed with appropriate processing for pins of target devices which do not require connection to the emulator
in accord with the descriptions in “Handling of Unused Pins” in the user’s manual for the target device.
Note 1: Design the circuit so that the FLMD1 pin must be at the low level during programming.
8
2
12
14
7
5
1
9
3
11
4
6
13
EVCC
EVSS
JP0_0 (LPDI / FPDR)
JP0_1 (LPDO / FPDT)
JP0_2 (LPDCLK / FPCK)
JP0_5 (LPDCLKOUT)
FLMD0
P10_8(FLMD1)
RESET
TVDD
GND
GND
GND
LPDIO / FPDR
LPDO / FPDT
LPDCLK / FPCK
LPDCLKOUT
FPMD0
RESET
【Note1】
EVCC EVCC
1K to
10K
RESET
circuit
min.
95K
Target device14-pin connector
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