iSYSTEM, March 2017
56/66
16-pin 2.54mm Renesas 78K0R Serial Cable Adapter
Ordering code
IC50170
This adapter is used to connect the iC5000 / iC5500 / iC5700 development system to Renesas 78K0R based
target via Serial debug interface. It connects to Debug/Trace module on one side and to the target debug
connector on the other side. It can be used for targets featuring 16-pin 2.54 pitch target debug connector with
78K0R pinout.
The following pinout is valid on the target side:
Signal
direction
Signal description
Signal
Pin Pin
Signal
Signal description
Signal
direction
Ground
GND
1
2
RESET OUT
Reset Out
O
I/O
Communication
line
TOOL0
(RxD/TxD)
3
4
Vcc
Power Supply
I/O
I/O
Communication
line
TOOL0
(RxD/TxD)
5
6
NC
Not Connected
Not Connected
NC
7
8
NC
Not Connected
Not Connected
NC
9
10
NC
Not Connected
Not Connected
NC
11 12
NC
Not Connected
Not Connected
NC
13 14
FLMD0
Flash Mode
O
I
Reset In
RESET IN
15 16 TOOL1 (CLK)
Clock Input
I
16-pin Renesas 78K0R Serial Debug target pinout
If the ‘Supply 5V to the target’ option is checked in the ‘Hardware/Emulation Options/CPU Setup/Advanced’
tab, the debugger supplies 5V at Vcc pin (pin 4) of the target debug connector, which can be used to power the
target. Maximum target current consumption should not exceed 50mA.
Note: 16-pin Renesas 78K0R Serial Debug Cable Adapter features resettable fuses on all connected pins. These
protect debug signals against overcurrent and cycle back to a conductive state after the excessive current fades
away.
Note: If ‘RESET IN’ (target reset detection) is not connected to the target debug connector, make sure that 10k
pull up is connected to this pin (target debug connector pin 15) or the debugger may exhibit unpredictable
behaviour.
The adapter connects to the target via a 16-pin 2.54 mm connector (for example Yamaichi: FAS-1601-2101-2-
OBF). A target should feature a matching part (for example WÜRTH ELEKTRONIK: 612 016 216 21).