SLAU647O July 2015 – April 2020
Table 11 lists the specifications for the MSP-FET interface to MSP432 microcontrollers.
JTAG and SWD 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. |
JTAG and SWD Interface, Timing | ||
JTAG clock speed | 10 MHz (max) | Protocol speed selectable by software |
SWD clock speed | 3 MHz (max) | Protocol speed selectable by software. System limitations due to external RC components on reset pin might apply. |
JTAG and SWD Interface, Speed | ||
Flash write speed (JTAG) | Up to 70 kB/s | |
Flash write speed (SWD) | Up to 22 kB/s |