Fujitsu MB91460 SERIES, MB88121 SERIES manual 1 Trouble shooting, Problem, Solution

SK-91F467-FLEXRAY V1.1

Trouble shooting

7	Trouble shooting
Problem		Solution
Starter kit does not power-on correctly.		Check voltage supply and jumpers :
Some or all of the power LEDs (D24, D30,		￿ The voltage on DC-Power plug should be in the
D34, and D40) do not lit up.		range of 9-12V. The plug should have + on shield
		and – on the centre. The power supply should be
		able to supply at least 500mA. To support both, the
		“SK-91F467D-208PFV” and a graphic sub-board
		the supply should be able to supply 1500mA.
		* The LEDs should light up after switching on the
		board. Use a multimeter to see whether 5V,3.3V,
		2.5V and 1.8V are present on the Vcc/GND test
		measurement points J21, J22, J23 and J24.
		￿ Check jumper positions according to chapter 2.1
		￿ Remove all user extensions of the starter kit
Starter kit stays in reset.		￿ LED D18 (Reset) should flash. If D18 lights up
LED D18 (Reset indicator) lights up		permanently, the voltage is too low - Increase the
permanently.		voltage supply and check available supply current
		to solve the problem.
		￿ Remove all user extensions on the board to avoid
		any shortcuts or leakage current!
The	communication from Softune	￿ Make sure your COM-port number and the baud
Workbench to the evaluation board fails		rate settings are correct (see debugger
(Communication errors)		introduction). The default COM-port is 1 and the
		default baud rate is 57K6Baud.
		￿ Make sure no other programs are using the same
		COM-port on your PC. Close all other applications
		(e.g. Flash programmer utilities, terminals etc.)
		* Check if RTS/CTS is closed on the CPU module
		(check jumper JP58, 60, 65 are closed).
		* Use only a RS232 extension 1:1 cable
The windows of the debugger are empty.		* This is due to wrong (maybe old) file path
		information. Closing all windows in the debugger
		and re-open should fix the problem.
When trying to program the application to		* You are probably trying to program a program to
the embedded flash, the programmer		the flash which is linked for the external RAM area.
stops at first address with “loading error” !		Check for details the linker memory map and the
		linker output mapping file *.mp1 file.
Hardware units such as LEDs, user		￿ Make sure you have enabled these units on the
buttons, UART are not working.		evaluation board using the appropriate jumpers.
		See the provided examples and the hardware
		manual for information on how to control the
		peripherals.
LCD at parallel LCD port does not work		￿ Adjust the potentiometer RP1 to adjust contrast
		of LCD. Remove resistor network RN3
Graphic sub-board does not work		Check power supply 9-12V/1500mA. Reduce
		external bus clock frequency

Table 7-1: Trouble shooting

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