Table of Contents
Advertisement
LEDs
• POWER (power-on LED, green)
This LED lights up when power is properly supplied to the S5U1C33001H by placing the power switch on the rear panel
in the "I" position. If this LED does not light up even when the power switch is turned on, check if the AC cable is properly
connected.
• TRC FULL/WRITE (trace memory full/flash memory write LED, yellow)
This LED lights up when the S5U1C33001H trace memory is filled by the target program execution. However, it does not
light up if the trace function is disabled by DIP switches 4 and 5. For enabling/disabling the trace function using the DIP
switch, refer to "Trace function setting" in the "DIP Switches" section.
Note: The TRC FULL LED that lights up does not go off until the S5U1C33001H starts sampling of trace data by
restarting the target program.
The WRITE LED lights during writing to the target system flash memory and goes off when the writing completes. The
ERASE LED also lights during verification.
• EMU/ERASE (emulation/flash memory erase LED, red)
This LED lights up when the debugger executes a program execution command, and indicates that the target program
is being executed.
Furthermore, it lights up if the target system power is off or the target system is not connected to the S5U1C33001H
when the S5U1C33001H is turned on. In this case, this LED goes off by turning the target system on. If the target system
is not connected, connect it to the S5U1C33001H after turning the S5U1C33001H off, and then turn the target system
and S5U1C33001H on. In break mode, this LED goes off and the S5U1C33001H can communicate with the S1C33xxx
chip.
The ERASE LED lights when the target system flash memory is being erased and goes off when the erase operation
completes. The WRITE LED also lights during verification.
• OK (flash programmer mode OK LED, green)
This LED lights in flash programmer mode when a target system flash memory write, erase, or verify operation com-
pletes with no error occurred.
• BUSY (flash programmer mode BUSY LED, yellow)
This LED lights in flash programmer mode when a target system flash memory write, erase, or verify operation is in
progress. It also lights during initialization after power is turned on.
• ERROR (flash programmer mode ERROR LED, red)
This LED lights in flash programmer mode when an error occurs during a target system flash memory write, erase, or
verify operation.
EMU/ERASE
TRC FULL/WRITE
POWER
OK
BUSY
ERROR
Figure 9 LEDs
S5U1C33001H
Front panel
1 2 3 4 5 6 7 8
(Ver. 4)
9
Advertisement
Table of Contents
