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SK-96370-144PMC-GDC User Guide
Chapter 4 Connectors
FMEMCU-UG-960014-10 - 26 - © Fujitsu Microelectronics Europe GmbH
4.5 USER-LEDs & optional LC-Display (J1)
Eight LEDs are supplied for user applications. In order to disconnect the LEDs from the
related microcontroller port (Port P09), the resistor network RN1 can be removed.
Instead of the user-LEDs, an alphanumeric LC-Display (optional) can be connected to J1.
The potentiometer RP1 can be used to adjust the contrast of the LC-Display. Pin 15 and 16
of J1 are normally not mounted. If the used LC-Display has pins for LED backlight at this
position, they can be connected here (Pin15: Vcc via 39S/0.5W, Pin16: GND).
The contrast of an optional LC-Display connected to J1 can be adjusted by RP1.
The following control signals are provided:
Figure 4-4: User LEDs/LCD
15
*1
16 1 2 3 4 5 6 7 8
9 10 11 12 13 14*
LCD
LCD
LED
GND GND VCC V0 RS R/W E - - - - DB4 DB5 DB6 DB7
LED
- - - - - LD1
LD2 LD3 LD4 - - - LD5 LD6 LD7 LD8
Port
- -
- - - 09_0 09_1 09_2 09_3 - - - 09_4 09_5 09_6 09_7
Table 4-3: User LEDs/LCD
*1
Pin 15: Vcc via 39S/0.5W for LCD backlight