TQ-Systems MBa7x, User Manual

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User's Manual l MBa7x UM 0101 l © 2020, TQ-Systems GmbH Page 60
4.3.7 JTAG (continued)
The following table shows the pin assignment of the JTAG connector.
Table 70: Pinout JTAG – X22
Pin Signal Dir. Remark
1 JTAG.VREF P 100 Ω in series to VCC3V3, use only as reference
2 VCC3V3 P 0 Ω in series to VCC3V3, Imax = 10 mA
3 JTAG.TRST# I 10 kΩ Pull-Up to VCC3V3
4 DGND P –
5 JTAG.TDI I 10 kΩ Pull-Up to VCC3V3
6 DGND P –
7 JTAG.TMS I 10 kΩ Pull-Up to VCC3V3
8 DGND P –
9 JTAG.TCK I –
10 DGND P –
11 DGND P 10 kΩ to DGND
12 DGND P –
13 JTAG.TDO O –
14 DGND P –
15 JTAG.SRST# I 10 kΩ Pull-Up to VCC3V3; open drain buffer at RESET_IN#
16 DGND P –
17 VCC3V3 P 10 kΩ Pull-Up to VCC3V3
18 DGND P –
19 DGND P 10 kΩ to DGND
20 DGND P –
5. SOFTWARE
The software required for the HSIC hub can, depending on the configuration, be loaded by the TQMa7x software, see 4.2.1.
Further software is not required for the MBa7x.