C.1 Menus
C.1.1 Emulator → Device Information
C.1.2 Emulator → Release JTAG on Go
C.1.3 Emulator → Resynchronize JTAG
C.1.4 Emulator → Init New Device
C.1.5 Emulator → Secure - Blow JTAG Fuse
C.1.6 Emulator → Breakpoint Usage
C.1.7 Emulator → Advanced → Clock Control
C.1.8 Emulator → Advanced → Emulation Mode
Menus
Opens a window with information about the target device being used. Also, this window allows adjusting
the target voltage in the case an MSP-FET430UIF interface is used to supply power to the target by
performing a right-click inside this window. The supply voltage can be adjusted between 1.8 V and 5 V.
This voltage is available on pin 2 of the 14-pin target connector to supply the target from the
MSP-FET430UIF. If the target is supplied externally, the external supply voltage should be connected to
pin 4 of the target connector, so the MSP-FET430UIF can set the level of the output signals accordingly.
C-SPY uses the device JTAG signals to debug the device. On some MSP430 devices, these JTAG
signals are shared with the device port pins. Normally, C-SPY maintains the pins in JTAG mode so that
the device can be debugged. During this time the port functionality of the shared pins is not available.
However, when Release JTAG On Go is selected, the JTAG drivers are set to tri-state and the device is
released from JTAG control (TEST pin is set to GND) when Go is activated. Any active on-chip
breakpoints are retained, and the shared JTAG port pins revert to their port functions.
At this time, C-SPY has no access to the device and cannot determine if an active breakpoint (if any) has
been reached. C-SPY must be manually commanded to stop the device, at which time the state of the
device will be determined (i.e., was a breakpoint reached?) (see FAQ Debugging #12 ).
Regain control of the device.
It is not possible to Resynchronize JTAG while the device is operating.
Initialize the device according to the settings in the Download Options. Basically, the current program file
is downloaded to the device memory. The device is then reset. This option can be used to program
multiple devices with the same program from within the same C-SPY session.
It is not possible to select Init New Device while the device is operating.
Blows the fuse on the target device. After the fuse is blown, no communication with the device is possible.
List all used hardware and virtual breakpoints, as well as all currently defined EEM breakpoints.
Disable the specified system clock while C-SPY has control of the device (following a Stop or breakpoint).
All system clocks are enabled following a Go or a single step (Step/Step Into) (see FAQ Debugging #19 ).
Specify the device to be emulated. The device must be reset (or reinitialized through Init New Device)
following a change to the emulation mode.
See Appendix D .
FET-Specific Menus66 SLAU138F – June 2004 – Revised March 2007
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