Introduction
QT
RACE
-
U
SER
M
ANUAL
© 2018 PDQLogic Ltd.
QTrace User Manual Rev 1.01
Page 7
Figure 2 Example QTrace hardware connection
1.5
System requirements
A PC running 64-bit Windows 7, 8.1 or 10 with the preferred hardware specification:
Intel i5/i7 dual or quad core CPU running at 2GHz min.
8GB+ RAM
A spare USB 3.0 port
Screen resolution of 1366 x 768 or better (ideally a 2nd screen)
A user supplied IDE and JTAG adapter
Target hardware containing an ARM Cortex M3/M4 based processor and a 20 way ETM trace
connector with 4-bit data and clock (1.8V - 3.3V levels), see Figure 3.
1.6
QTrace hardware specification
The following gives an overview of the QTrace hardware specifications
Parameter
Min
Max
Units
Power supply
(USB 3.0 powered)
Voltage
4.0
6.0
Volts
Current
-
300
mA
Input voltage
3
range 1
(1.8V nom)
Vin Low
-0.2
0.38
Volts
Vin High
0.8
3.6
Volts
Input voltage
3
range 2
(3.3V nom)
Vin Low
-0.2
0.8
Volts
Vin High
2.0
3.6
Volts
Target clock frequency (F
Target
)
(Trace clock = F
Target
/2)
4
180
MHz
Trace data to clock set-up time
0.0
-
ns
Trace data to clock hold-up time
0.2
-
ns
EMC compliance
EN55024, EN55032
Table 2 QTrace hardware specification
3
Input voltage range is specified in the QTrace Analyser configuration dialog
10 to 20 way
converter PCB
Splitter
Ribbon
Cable
QTrace
Probe
JTAG Unit
(not supplied)
Development Board
(not supplied)