6X5 Keyboard Connection - Texas Instruments OMAP5912 Reference Manual

Keyboard
Figure 10.

6x5 Keyboard Connection

OMAP5912
IT_Kbd
KBC(0)
KBC(1)
KBC(2)
KBC(3)
KBC(4)
KBC(5)
SPRU748A
The keyboard interface is a 6 x 5 or 8 x 8 interface. Figure 10 shows the 6 x
5 interface.
The keyboard is connected to the chip using:
-
KBR (7:0) input pins for row lines
-
KBC (7:0) output pins for column lines
V
CC
Chip core
OMAP5912 Description
KBR(0)
KBR(1)
KBR(2)
KBR(3)
KBR(4)
Introduction 37