6 user-leds and optional lc-display (d1-d16, j6), User-leds and optional lc-display (d1-d16, j6) – FUJITSU MB91460 SERIES User Manual

Page 41

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SK-91F467-FLEXRAY V1.1

Connectors

© Fujitsu Microelectronics Europe GmbH

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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).

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.

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)

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