Sundance SMT387 - Manual (Page 41)

Version 1.0.3 Page 41 of 42 SMT387 User Manual
Supplies VCC (3.3V, 10 mA, typically) to the cable.
system VCC
TCK 6 Test Clock.
This clock drives the test logic for all devices on
boundary-scan chain.
Connect to
system TCK
pin.
GND 7 Ground.
Supplies ground reference to the cable.
To target
system
ground
TMS 8 Test Mode Select.
This signal is decoded by the TAP controller to control
test operations.
Connect to
system TMS
pin.
TDO 9 Read Data.
Read back data from the target system is read at this
pin.
Connect to
system TDO
pin.
TDI 10 Test Data In.
This signal is used to transmit serial test instructions
and data.
Connect to
system TDI
pin.
Table 9: Connector JTAG/Jumper Header