Fujitsu MB88121 SERIES Benutzerhandbuch
SK-91F467-FLEXRAY V1.1
Connectors
© Fujitsu Microelectronics Europe GmbH
- 41 -
FMEMCU-UG-910017-11
4.6 USER-LEDs and optional LC-Display (D1-D16, J6)
There are sixteen user LEDs on-board, D1-D8 connected to MCU port P25 and D9-D16
connected to MCU port P16. To disconnect the LEDs from the MCU, it is possible to remove
RN3 (D1-D8 at port P25) and RN2 (D9-D16 at port P16).
connected to MCU port P16. To disconnect the LEDs from the MCU, it is possible to remove
RN3 (D1-D8 at port P25) and RN2 (D9-D16 at port P16).
It is also possible to connect a standard LCD module with backlight to connector J6. With the
potentiometer RP1 the contrast of the LCD can be adjusted.
potentiometer RP1 the contrast of the LCD can be adjusted.
Pin
14 13 12 11
10
9
8
7 6 5 4 3
2 1 16 15
LCD
DB7 DB6 DB5 DB4 - -
- -
E R/W RS VO
Vcc
GND
LED-
LED+
LED
D8 D7 D6 D5
D4 D3 D2 D1
Port
P25_7 P25_6 P25_5 P25_4 P25_3 P25_2 P25_1 P25_0
MCU
187 186 185 184
181 180 179 178
Table 4-5: LED/LCD Signals
Figure 4-6: User LEDs / LCD
D1
(Port: P25_0)
LCD contrast
D8
(Port: P25_7)
D16
(Port: P16_7)
D9
(Port: P16_0)