Precautions About Board Design When Connecting Jtag - Mitsubishi Electric M32R Series User Manual

Mitsubishi 32-bit risc single-chip microcomputers
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19

19.6 Precautions about Board Design when Connecting JTAG

To materialize fast and highly reliable communication with JTAG tools, the JTAG pins require that
wiring lengths be matched during board design.
M32R/E
JTDO
JTDI
JTMS
JTCK
JTRST
User board
Figure 19.6.1 Precautions to Be Observed when Connecting JTAG Tool
(when Using the 240QFP)
19.6 Precautions about Board Design when Connecting JTAG
SDI connector (JTAG connector)
VCCE(5V)
10KΩ
33Ω
10KΩ
33Ω
10KΩ
33Ω
10KΩ
33Ω
33Ω
2KΩ
0.1µF
Make sure wiring lengths are the same, and avoid bending wires
as much as possible. Also, do not use through-holes within wiring.
19-34
JTAG tool
Power
TDO
TDI
TMS
TCK
TRST
GND
JTAG
Ver.0.10

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