iSystem iC5000 Hardware Reference Manual page 68

 4-pin ERNI ST STM8 Cable Adapter
This adapter is used to connect the iC5000 / iC5500 / iC6000 development system to ST STM8 based target. It
connects to the Debug/Trace module on one side and to the target debug connector on the other side. It can be
used for targets featuring 4-pin ERNI target debug connector with the STM8 pinout.
The following pinout is valid on the target side:
Note: 4-pin ERNI ST STM8 Cable Adapter features resettable fuses on all pins. These fuses protect debug
signals against overcurrent and cycle back to a conductive state after the excessive current fades away.
The adapter ends with the ERNI MiniBridge 4-pin connector female (P/N 839033). On the target side, ERNI
MiniBridge 4-pin connector right angle male (P/N 214012) or ERNI MiniBridge 4-pin connector vertical male
(P/N 284697) can be used.
 iSYSTEM, October 2016
Ordering code
Pin Signal
1 VDD
2 SWIO
3 GND
4 RST
4-pin ERNI ST STM8 target pinout
IC50190
Signal description Signal
direction
Reference voltage
Debug SWIM pin
Ground
Reset
I
I/O
O
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