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EFP-LC TypeE Supplementary manual
(For RX66T)
4
Pin Connection
Table4.1 lists the connection of target connection cable pin of the RX66T series.
Table4.1
Connection of the Target Connection Cable Pin (RX66T series)
Pin No.
(EFP-LC side)
Target End Wire
Color
Signal
4-wire Cable
Pin No.
MCU Connection Pin For
Serial Input/Output
Input/Output
(writer side)
1
Orange/red dotted1
GND
1
Connects to VSS pin *3
－
3
Gray/red dotted1
T_VPP
4
Unconnected
Open
4
Gray/black dotted1
T_VDD
5
Connects to VCC pin *1
Input
8
White/black dotted1
T_PGM/OE/MD
8
Unconnected *4
Output
9
Yellow/red dotted1
T_SCLK
6
Unconnected
Output
10
Yellow/black
dotted1
T_TXD
7
Connects to RXD pin*5
Output
11
Pink/red dotted1
T_RXD
2
Connects to TXD pin*5
Input
12
Pink/black dotted1
T_BUSY
3
Unconnected *4
Input/Output
14
Orange/black
dotted2
T_RESET
9
Connects to RESET pin *2
Output
16
Gray/black dotted2
GND
10
Connects to VSS pin *3
－
< Supplement of Pin Treatment >
*1 : Supply VCC from user side to match source voltage of output buffer used on EFP -LC side with user side source voltage (VCC).
*2 : Reset cancel is not carried out during using a writer. To execute user program, you sho uld therefore unplug the target connection
cable to the writer. As for RESET output at writer side, see Note 2 in the page 4.
*3 : The signal GND has 2 pins(No.1,16)of EFP-LC side connector. When connecting to the target board, you can connect with using
only one pin, but connecting more than 2pins is recommended.
<Supplement for others >
*4: When the Handling of mode pins is not possible with a user target board, please be connected to the mode terminal of MCU.
T_PGM/OE/MD = “H” Output, T_BUSY = “L” Output
*5: Connect to the pins (boot mode SCI interface pins) described in the table of "I / O pins used in boot mode" in the MCU ha rdware
manual.