MITO 8M Mini SOM/MITO 8M Mini Hardware/Power and Reset/JTAG

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History
Issue Date Notes

2020/02/29

First release
2021/02/23 Update mating connector and signals voltage



On board JTAG connector[edit | edit source]

JTAG signals are routed to a dedicated connector on the MITO 8M Mini/Nano PCB.

The connector is placed on the top side of the PCB, on the right side (please see the picture below).

MITO 8M Mini-jtag-conn.png

J7 - Connector's pinout[edit | edit source]

J7 footprint mates with Samtec FSI-110-03-G-S connector. The following table reports the connector's pinout:

Pin# Pin name Function Notes
1 DGND -
2 EEPROM_WP -
3 NC -
4 JTAG_TCK - internal pull-down 10k to DGND
5 JTAG_TMS -
6 JTAG_TDO -
7 JTAG_TDI -
8 JTAG_nTRST -
9 CPU_PORn - internal pull-up 100k to NVCC_SNVS_1V8
10 NVCC_3V3 - reference voltage for JTAG signals 3.3V