5. ICD
Mode
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Seiko Epson Corporation
S5U1C17001H2 User Manual
(ICDmini Ver2.0)
5. ICD
Mode
ICD mode is an S5U1C17001H operating mode for debugging the target system by connecting the
S5U1C17001H to the debugger (gdb) on the host computer. The following explains the settings for activating
ICD mode and operations.
Downloading the program to Flash can also be performed in this mode.
5.1
Specifying ICD Mode
Set the DIP switches as shown below to start up the S5U1C17001H in ICD mode.
When S1C17 processor is selected
SW1 = OPEN
When S1C33 processor is selected
SW1 = ON
Set SW2, SW3, and SW7 as follows.
SW2 = OPEN
SW3 = OPEN
SW7 = OPEN
SW4, SW5, SW6, and SW8 should be set as necessary.
Note: The DIP switch settings are enabled by pressing the RESET/START switch.
5.2
Activation in ICD Mode
After connecting the S5U1C17001H to the target system and the host computer, start up the S5U1C17001H by
following the procedure described below. If the S5U1C17001H is started up in another procedure, it may not be
connected to the target system normally.
5.2.1
When the TARGET RST OUT Signal is Not Connected
When the TARGET RST OUT signal is not connected to the reset input on the target system, start up the
S5U1C17001H by the procedure described below.
(1) Press the S5U1C17001H RESET/START switch.
LED1
(blue) or
(green)
LED2
(blue)
LED3
(red)
LED4
(green)
(2) Press the target system reset switch.
The LEDs illuminate as shown below once connection is successfully completed.
LED1
(blue) or
(green)
LED2
(blue)
LED3
(out)
LED4
(green)
If the LEDs appear as shown below, repeat the procedure from step (1).
LED1
(blue) or
(green)
LED2
(blue)
LED3
(red)
LED4
(green) or
(out)