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RX66T CPU Card User's Manual
5.
Functions
5.1
Power Supply
The product does not have a dedicated power supply connector. When connected to the INV-BRD it draws power via
the connector. When not connected to the INV-BRD, it can draw power via the Emulator connector. The product is not
allowed to draw power via the Emulator connector when it is connected to the INV-BRD.
5.2
Connecting the Emulator
The E1/E2 Lite on-chip debugging emulator from Renesas Electronics is used to write software (program) to the flash
memory of the RX66T. Software will be downloaded into the product via E1 or E2 Lite. It is also necessary to make the
settings shown in Table 5.1 in the integrated development environment or in the Renesas flash programmer to enable
the emulator to supply power to the product. Table 5.2 lists the pin assignments of the Emulator connector.
Connection to INV-BRD
Connected
Not connected
Note 1.
When connected to the INV-BRD, the product must draw power from the INV-BRD.
Pin No.
Pin Function
TCK/FINEC
1
TRST#
3
TXD1/TDO
5
MD/FINED
7
TMS
9
11
TDI/RXD1
RESET#
13
Note: See a supplement to the E1/E20/E2 emulator, E2 emulator Lite user's manual.
R12UZ0029EJ0120
2022.2.21
Table 5.1 E1, E2 Lite Power Supply Settings
Table 5.2 Pin Assignments of Emulator Connector (CN7)
RX66T
Connection Pins
TCK
TRST#
TXD1
MD/FINED
TMS
RXD1
RES#
Power Supply Setting of E1, E2 Emulator
Power supply is not allowed*
5.0V or 3.3V power supply
Pin No.
Pin Function
GND
2
EMLE
4
NC
6
VCC
8
UB
10
12
GND
GND
14
1
RX66T
Connection Pins
VSS
EMLE
-
VCC
UB
VSS
VSS
Page 11 of 25
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