Datasheet

Evaluates: MAX3420E

MAX3420E Evaluation Kit-2

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Table 7. Header H1 Pin Description

PIN NAME DESCRIPTION

1 GPX GPX line

2 CONINT Interrupt (INT) Line (Note 1)

3 CONMISO Master In Slave Out (MISO) Line (Note 2)

4 CONMOSI Master Out Slave In (MOSI) Line (Note 3)

5 CONSCLK Serial Clock (SCLK) Line (Note 4)

6 CONSS Active-Low Slave Select (SS) Line (Note 5)

7 GPO3 General-Purpose Output 3 (Note 6)

8 RES Active-Low Reset Line

Logic-Voltage-Supply Line

10 GPO2 General-Purpose Output 2 (Note 6)

11 GND Ground

12 GND Ground

13 GPO0 General-Purpose Output 0 (Note 6)

14 GPO1 General-Purpose Output 1 (Note 6)

15 GPI2 General-Purpose Input 2 (Note 7)

16 GPI3 General-Purpose Input 3 (Note 7)

17 GPI0 General-Purpose Input 0 (Note 7)

18 GPI1 General-Purpose Input 1 (Note 7)

19 3.3V 3.3V EV Kit-2 Board Supply

20 GND Ground

Note 1: If jumper JU1 is in the 2-3 position.

Note 2: If jumper JU4 is in the 2-3 position.

Note 3: If jumper JU3 is in the 2-3 position.

Note 4: If jumper JU5 is in the 2-3 position.

Note 5: If jumper JU2 is in the 2-3 position.

Note 6: Also connected to an LED through a current-limiting resistor if the respective jumper is in place.

Note 7: General-purpose inputs are internally pulled up to VL, so external pullups are not required.