Texas Instruments TCA8424EVM-038 Evaluation Module TCA8424EVM-038 TCA8424EVM-038 Datenbogen

Produktcode

TCA8424EVM-038

TCA8424 EVM Design Circuitry, Bill of Materials, and Connection Descriptions

6.6

Breakout Pins

The breakout headers P1 and P2 allow connection of an external keyboard matrix to the EVM. P17 is
connected to the I

C lines of the TCA8424 allowing an external host to communicate to the TCA8424.

Figure 8. Breakout Pins

Table 2. Header Configurations for P1, P2, and P7

Row15 (pin 16)

Row14

Col7

Col6

GND (pin 1)

Row13

Row12

Col5

Col4

/INT

Row11

Row10

Col3

Col2

SDA

Row9

Row8

Col1

Col0 (pin 1)

SCL

Row7

Row6

Row5

Row4

Row3

Row2

Row1

Row0 (pin 1)

TCA8424 Evaluation Module

SCDU004 – March 2013