Kontron MOPS/386A, User Manual

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Kontron
Matrix-Keyboard Interface 38 MOPS/386A User’s Guide
18.2
Connector
The matrix keyboard interface is available through Connector X11 (26 pins).
The following table shows the pinout.
Header Pin Signal Name Function Pin Signal Name Function
1 GND Ground 2 Y0 Scan outputs.
3 RA0 Scan inputs. 4 Y1 Scan outputs.
5 RA1 Scan inputs. 6 Y2 Scan outputs.
7 RA2 Scan inputs. 8 Y3 Scan outputs.
9 RA3 Scan inputs. 10 Y4 Scan outputs.
11 RA4 Scan inputs. 12 Y5 Scan outputs.
13 RB0 Scan inputs. 14 Y6 Scan outputs.
15 RB1 Scan inputs. 16 Y7 Scan outputs.
17 RB2 Scan inputs. 18 /MCLR Reserved for
factory testing.
Do not connect
anything.
19 RB3 Scan inputs. 20 ENPBLT Enable external
backlight power.
21 RB4 Scan inputs. 22 NC
23 I2CLK/RB5 Reserved.
Do not
connect
anything.
24 RB7 Reserved.
Do not connect
anything.
1
2
25 26
25 I2DAT/RB6 Reserved.
Do not
connect
anything.
26 VCC +5V
To find the location of the matrix keyboard connector on the MOPS/386A board, please see
the Appendix E: Connector Layout chapter.