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E2, IE850A
2.3
Examples of recommended connections between the 14-pin connector and
MCU
Different tools are used with the E2 emulator according to whether the purpose is debugging or flash
programming. Table 2-6 shows the relationships between the operating modes and connection interfaces.
Table 2-6
Relationships between the Operating Modes and Connection Interfaces
Usage
Programming
Debugging
Note: This refers to the MULTI integrated development environment from Green Hills Software. It is simply referred to as
MULTI in the remainder of this document.
This section describes examples of recommended connections between the 14-pin connector for the E2
emulator and the target device. Since there are various examples of recommended connections according to
the purpose of the E2 emulator, select the appropriate circuit with reference to Table 2-7. Be sure to take the
specifications of the target device as well as measures to prevent noise into consideration when designing
your circuit.
Table 2-7
Purpose of the E2 Emulator and the Corresponding Example of Recommended
Connections
Both debugging (4-pin LPD) and programming (2-wire UART or CSI)
Only programming (2-wire UART)
Only programming (CSI)
For examples of recommended connections between the 34-pin connector for external tracing, refer to the
IE850A Emulator User's Manual and the user's manual for the target device.
R20UT4140EJ0300 Rev.3.00
Oct.09.20
Tool
Renesas Flash
Programmer (RFP)
CS+ or MULTI (*)
Purpose
2. Connecting the Emulator and User System
Device Mode
Serial programming
mode
Normal operation mode
or user boot mode
Connection Interface
2-wire UART or CSI
4-pin LPD
Figure
Figure 2-3
Figure 2-4
Figure 2-5
Page 9 of 41
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