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4.6 Connecting MCU Board to Target System
Figure 4.7 shows the connection to the target system using the 20-wire normal-pitch cable.
Connect the M34282T5-OPT with the IC socket for 2.54-mm-pitch 20-pin DIP (e.g. IC26-2003-GS4:
made by Yamaichi Electronics Co., Ltd.) on the target system using the included 20-wire normal-pitch
flat cable.
However, the M34282T5-OPT cannot be connected to the foot pattern of the MCU package (20P2N-
A or 20P2E/F-A).
For this connection, you need three accessory parts listed below:
Table 4.9 lists the connector signal assignments of the 20-wire normal-pitch cable. Figure 4.8 shows
the pin layout of the 20-wire normal-pitch cable.
Figure 4.7 Connecting target system
(1) 40-wire half-pitch cable (40 cm)
(2) Pitch converter board PCA4029
(3) 20-wire normal-pitch cable (10 cm)
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