Epson S5U13U11 User Manual page 8

S1D13U11 Display Controller
JP2 - Power Supply Select for the S5U13U11 Evaluation Board
JP2 can be used to select the S5U13U11 power supply.
When the jumper is at position 1-2, VBUS 5V input is selected. The external power supply is not needed.
When the jumper is at position 2-3, external DC5V input is selected. The external power supply is needed.
The supply current of VBUS is specified as a maximum 500mA in the USB specification.
JP3 - VBUS Input Signal Select
JP3 can be used to select the signal of the S1U13U11 VBUS input pin.
When the jumper is at position 1-2, VBUS input is selected.
When the jumper is at position 2-3, external DC5V input is selected.
JP4 - Power-on Reset Source Select
JP4 can be used to select the source of the power-on reset circuit.
When the jumper is at position 1-2, VBUS input is selected.
When the jumper is at position 2-3, external DC5V input is selected.
Figure 3-1: Configuration Jumper Locations (JP1, JP2, JP3, JP4)
8 EPSON S5U13U11 Evaluation Board User Manual (Rev. 1.1)