R-IN32M4-CL3 User's Manual: Board design edition
15. JTAG/Trace Pins
R18UZ0074EJ0100
Page 51 of 61
Dec 24, 2019
R-IN32M4-CL3
TCK
ICE connecter (20-pin half-pitch)
TCK
TMS
TDI
TDO
TMS
TDI
TDO
TRSTZ
nRESET
RESETZ
HOTRESETZ
Reset circuit
VDD33 (3.3 V)
About 4.7 k
Ω to
10 k
Ω
TRACECLK
TRACEDATA0
TRACEDATA1
TRACEDATA2
TRACECLK
TRACEDATA0
TRACEDATA1
TRACEDATA2
TRACEDATA3
TRACEDATA3
JTAGSEL
About 22 to 33
Ω
The wiring runs should preferably be no
longer than 50 mm. If the wiring runs have to
be longer than this because of the
circumstances of the set as a whole, they
should be kept within 100 mm.
Wired OR connection with open drain
Not connected
Figure 15.2 Connection Example of JTAG Interface (20-Pin Half-Pitch with Trace)