
User Manual - Rev1.0.2
M13design - 16 Dec. 21
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4.3
CN4: 19-PIN JTAG HEADER
Figure 18. CN4: 19-pin JTAG Header
Table 35. CN4 Pin Assignment
CN4 Pin
Pin Description
Signal Name
RA6M3 Pin
Note
1
VTREF
3V3D
-
2
SWDIO/TMS
SWDIO / TMS
89
3
GND
GND
-
4
SWCLK/TCK
SWCLK / TCK
88
5
GND
GND
-
6
SWO/TDO
SWO / TDO
90
7
Not used
Not used
-
8
TDI
TDI
91
Multiplexed
9
NC
NC
-
10
nRESET
nRESET
-
11
VCC
Not used
-
12
P214 / TCLK
TCLK
-
Multiplexed
13
VCC
Not used
-
14
P211 / TDATA0
TDATA0
-
Multiplexed
15
GND
GND
-
16
P210 / TDATA1
TDATA1
-
Multiplexed
17
GND
GND
-
18
P209 / TDATA2
TDATA2
-
Multiplexed
19
GND
GND
-
20
P208 / TDATA3
TDATA3
-
Multiplexed