Debug Probes Hardware and Software
28
SLAU647L – July 2015 – Revised February 2018
Copyright © 2015–2018, Texas Instruments Incorporated
MSP Debuggers
5.6.6
Specifications
This section includes the MSP-FET specifications.
5.6.6.1
Hardware
lists the mechanical and interface specifications for the MSP-FET.
Table 7. Mechanical and Interface Specifications
Mechanical
Size (without cables)
80 mm x 50 mm x 20 mm
Interfaces
USB interface
USB 2.0, full speed
Target interface
JTAG 14-pin
See
for pinout
JTAG cable length
20 cm (max)
5.6.6.2
MSP430 MCUs
lists the specifications for the MSP-FET interface to MSP430 microcontrollers.
Table 8. JTAG and Spy-Bi-Wire Interface Specifications
JTAG and Spy-Bi-Wire Interface, Electrical
Power supply
USB powered,
200 mA (max)
Target output voltage
VCC_TOOL
1.8 V to 3.6 V
Selectable in 0.1-V steps. VCC_TOOL available from JTAG pin 2.
Target output current
100 mA (max)
Current supplied through JTAG pin 2
Target output overcurrent
detection level
160 mA (max)
JTAG signal overcurrent
detection level
30 mA (max)
Total current supplied through JTAG pins 1, 3, 5, 7, 8, 10, 11, 12, 13, 14
External target supply
Supported
(1.8 V to 3.6 V)
Connect external target voltage VCC_TARGET to JTAG pin 4. JTAG and
SBW signals are regulated to external target voltage ±100 mV.
Fuse blow
Supported
For devices with poly-fuse
JTAG and Spy-Bi-Wire Interface, Timing
JTAG clock speed
8 MHz (max)
Protocol speed selectable by software
SBW clock speed
8 MHz (max)
Protocol speed selectable by software. System limitations due to external RC
components on reset pin might apply.
JTAG and Spy-Bi-Wire Interface, Speed
Flash write speed (JTAG)
Up to 20 kB/s
Flash write speed (SWB)
Up to 7 kB/s
FRAM write speed (JTAG)
Up to 50 kB/s
FRAM write speed (SWB)
Up to 14 kB/s
