Datasheet

Evaluates: MAX3420E
MAX3420E Evaluation Kit-2
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Table 3. SPI Bus Selection (JU1–JU5)
JUMPER SHUNT POSITION DESCRIPTION
1-2* INT line connected to the ATtiny2313 INT line
JU1
2-3 INT line connected to H1-2
1-2* SS line connected to the ATtiny2313 SS line
JU2
2-3 SS line connected to H1-6
1-2* MOSI line connected to the ATtiny2313 MOSI line
JU3
2-3 MOSI line connected to H1-4
1-2* MISO line connected to the ATtiny2313 MISO line
JU4
2-3 MISO line connected to H1-3
1-2* SCLK line connected to the ATtiny2313 SCLK line
JU5
2-3 SCLK line connected to H1-5
*Default position.
Table 4. GPO 0–3 LED Connection (JU6–JU9)
Table 5. V
L
Logic-Supply Selection (V
L
)
JUMPER SHUNT POSITION DESCRIPTION
1-2* GPO port 3 LED (D4) connected
JU6
Open GPO port 3 LED (D4) disconnected
1-2* GPO port 2 LED (D3) connected
JU7
Open GPO port 2 LED (D3) disconnected
1-2* GPO port 1 LED (D2) connected
JU8
Open GPO port 1 LED (D2) disconnected
1-2* GPO port 0 LED (D1) connected
JU9
Open GPO port 0 LED (D1) disconnected
*Default position.
JUMPER SHUNT POSITION DESCRIPTION
1-2* Logic-supply voltage (V
L
= 3.3V)
2-3 Do not use
JU10
Open Apply V
L
supply on H1-9
*Default position.
Table 6. Power-Supply Source Selection
JUMPER SHUNT POSITION DESCRIPTION
1-2* EV kit-2 board powered by USB
2-3 Do not use
JU11
Open Apply 5V supply on JU11-2 and GND on JU11-3
*Default position.