RH850/U2A 144pin
5. Debug and Flash Programming Interfaces
R20UT5089ED0101 Rev.1.01
Page 15 of 56
July 08, 2022
5. Debug and Flash Programming Interfaces
For debugging and flash programming purposes debug and flash programming tools can be
connected to the CN4 connector.
Refer to
for details about the CN4 pin assignment.
The Renesas standard emulator for RH850/U2A is the E2 emulator. This can be used as
emulator for debugging or as flash programmer.
TMS
RDY/LPDCLKOUT
TDI/LPDIO/FPDR
TDO/LPDO/FPDT
TDCK/LPDCLK/FPCK
DEBUG AND PROGRAMMING INTERFACE
10K
HEADER 14WAY SHROUDED
10K
0
3.3V or 5V
E0VCC
R11
R14
CN4
R8
JP0<0>
JP0<2>
TRSTZ
JP0<1>
JP0<3>
JP0<5>
RESETZ
NC
NC
FLMD0_TOOL
FLMD0_TOOL_c
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3
1
4
1
1
1
2
1
9
0
1
OUT
OUT
OUT
OUT
IN
OUT
BI
BI
1
2
3
4
5
6
7
8
Figure 5.1 Debug interface