JTAG Adapter 2.54mm 20-pin to 1.27mm 10-pin from Voltlog on Tindie
Mini SWD 0.05" Pitch Connector - 10 Pin SMT Box Header | The Pi Hut
ARM-JTAG-20-10
ULINK2 User's Guide
CoreSight Connectors
Antrader 60CM 10Pin USB ASP ISP JTAG AVR Wire 10P IDC Flat Ribbon Data Cable 2.54mm Connector 6 Pieces
Placa adaptadora de 10 10 1.27 2,54mm, JTAG a SWD ATMEL ICE, 10PIN, giro, 10pin, 1,27mm, descarga de 2x5, 2,54mm a JTAG SWD, Cable de 2x5|Enrollador de cable| - AliExpress
CoreSight Connectors
10-pin Cortex Ribbon Cable with 50 mil connectors | Tag-Connect