3. Jumper Settings
S1R72U06 Evaluation Board Manual
EPSON
3
(Rev.1.0)
3. Jumper Settings
The jumpers on the board are set as shown below. Items shown in gray are default settings.
3.1 Jumper
switches
No. Content
Setting
JP1
+5 V input source power supply switching
1-2
+5 V (CN1) input
2-3
VBUS (CN6) input
JP3
CVDD input source power supply switching
1-2
+5 V (JP1 selection)
2-3
+3.3 V (regulator output)
JP4
VRIN (U06 internal regulator input) source switching
1-2
+5 V (JP1 selection)
2-3
+3.3 V (regulator output)
JP5
VBUS_5V_IN input source switching
1-2
+5 V (JP1 selection)
2-3
External input (TP5)
JP16
VBUS output (CN7) switching
1-2
MAX8586 output
2-3
U06 internal VBUS-SW output
SW1 SPIxUART
1-2
UART mode
2-3
SPI mode
SW2 HOSTxDEVICE
1-2 DEVICE
mode
2-3
HOST mode
Open
-
SW3 WAKEUP
1-2 -
2-3
Wakeup trigger
Open
-
SW4 INIT_BAUD
1-2 300
bps
2-3
9600 bps
SW5
RESET SW
PUSH
Forced reset
-
Normal operation
Note:
If the CVDD level is a value above +1.8 V and below +5 V, remove the JP3 short pin and direct the
voltage to JP3 Pin 2. (+1.8 V to +5.0 V)
Note: If the VRIN level is a value above +3.3 V and below +5 V, remove the JP4 short pin and direct the voltage
to JP4 Pin 2. (+3.3 V to +5.0 V)
Note:
If the signal is low asserted when SW2 (HOSTxDEVICE) and SW3 (WAKEUP) are connected to the
main CPU via CN9, SW2 and SW3 should be left open or R62 and R63 removed.
Note: Refer to “10.1 Exterior view diagram” for the jumper switch layout.
Summary of Contents for S1R72U06
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