
Connectors
4.6USER-LEDs and optional LC-Display (D1-D16, J6)
There are sixteen user LEDs
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
LCD contrast
D16 | D9 | D8 | D1 |
(Port: P16_7) | (Port: P16_0) | (Port: P25_7) | (Port: P25_0) |
Figure 4-6: User LEDs / LCD
© Fujitsu Microelectronics Europe GmbH | - 41 - |