AFE1_AFE2-1:1
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Technical specifications
IAR Debug Probes User Guide
I-jet®, I-jet Trace, and I-scope™
These are the pin definitions for the ADA-MIPI20-cTI20 adapter:
Pin
I-jet
direction
Name Description
nTRST Output Test Logic
Reset
Active LOW signal that causes all test and debug logic in
the device to be reset along with the IEEE 1149.1 TAP.
TCK Output Test Clock Test clock used to drive the IEEE 1149.1 TAP state
machine and logic.
TMS Output Test Mode
Select
Directs the next state of the IEEE 1149.1 TAP state
machine.
TDI Output Test Data
Input
IEEE 1149.1 scan data input to the device.
TDO Input Test Data
Output
IEEE 1149.1 scan data output from the device.
RTCK Input TCK
Return
Used only in Adaptive Clocking mode. I-jet monitors
RTCK to determine when to send the next TCK.
PD Input Power
Detect
Should be tied to the I/O voltage of the target device.
Used by I-jet to detect if target power is active and to
set the JTAG signal voltage reference for level
translators.
EMU0 I/O Emulation 0 Depending on the device, EMU pins support boot
modes and other features. I-jet does not use this pin but
it is routed to the TRACEDATA[2] pin on the MIPI20
connector. For proper booting, this pin should be
pulled-up on the target.
EMU1 I/O Emulation 1 Depending on the device, EMU pins support boot
modes and other features. I-jet does not use this pin but
it is routed to the TRACEDATA[3] pin on the MIPI20
connector. For proper booting, this pin should be
pulled-up on the target.
nRESET I/O System
Reset
Active LOW open-collector signal that can be driven by
I-jet to reset the device and/or the target board.
I-jet senses this line to determine when a board has
been reset by the user or by watchdog timer.
Table 11: ADA-MIPI20-cT120 adapter pin definitions
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