2.5I2C header (X1) pinout (ADA-16FX-TSC-LCD)
X5 Pin | Name | Connected to | Descripton | |
1 | SCL | JP6, X3 Pin 1 | I2C Serial Clock Line | |
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2 | SDA | JP4, X3 Pin 2 | I2C Serial Data Line | |
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3 | GND |
| System Ground | |
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4 | VCC |
| VCC for TSC and LCD | |
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5 | TINT | X3 Pin 5 | Touch interrupt from TSC to MCU | |
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6 | GINT | X3 Pin 6 | General Purpose interrupt from TSC to MCU | |
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7 | TOUT | X3 Pin 7 | ‘Beep’ Signal for Piezo Buzzer | |
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8 | RESET_N | X3 Pin 8 | Reset Pin of TSC | |
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9 | reserved | X4 Pin 1 |
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10 | reserved | X4 Pin 2 |
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X3 can be used to access the TSC signals, e.g. to route the Interrupts to an appropriate external interrupt pin of the MCU.
2.6LCD header (X5) pinout (ADA-16FX-TSC-LCD)
Pin | Name | Pin | Name |
1 | VSS | 9 | n/c |
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2 | VDD | 10 | n/c |
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3 | V0 (contrast) | 11 | D4 |
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4 | RS | 12 | D5 |
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5 | R/W | 13 | D6 |
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6 | E | 14 | D7 |
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7 | n/c | 15 | VLED (Backlight +) |
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8 | n/c | 16 | VLSS (Backlight |
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The contrast for the (optional) LC display can be adjusted using RP1.
2.7Further connection options
Using X3 (VCC), X4 (GND) and X2 (GPIO0 – 3), additional connections to the FMA1125 can be made. X2 is connected to the digital input / output pins
- 12 - © Fujitsu Microelectronics Europe GmbH
