Jumper Pins - Epson S1R72V18 Manual

4. Jumper Pins

4. Jumper Pins
The jumpers on the board are set as shown below. Items shaded in gray are factory default settings.
JP4 to JP15 are soldered jumpers and normally do not require alteration.
No.
JP1 +5 V output selection from CN1 to Main CPU
Interface power supply voltage selection with
JP2
Main CPU
MAX8586 (IC2) automatic restart function
JP4
selection
(See Maxim data sheet for details.)
MAX8586 (IC3) automatic restart function
JP5
selection
(See Maxim data sheet for details.)
USB Port1 host VBUS output 122[µF] layout
JP6
selection
JP7-JP9 Current consumption measurement jumper
JP11-JP12 (Normally use shorted)
USB Port1 host VBUS output 122[µF]
JP10
capacitor discharge resistor selection
JP13 CN2 USB port function selection
USB Port0 host VBUS output 122[µF] layout
JP14
selection
USB Port0 host VBUS output 122[µF]
JP15
capacitor discharge resistor selection
Note: JP3 does not exist.
4
Details
EPSON
Setting
(Details in gray are factory default settings.)
1-2 CN1: A4,B4,A5,B5 = +5V
2-3 CN1: A4,B4,A5,B5 = 0V
1-2: IOVDD = 3.3V
2-3: IOVDD = 1.8V
1-2: MAX8586-ENRESET pin = High
1-3: MAX8586-ENRESET pin = Low
1-2: MAX8586-ENRESET pin = High
1-3: MAX8586-ENRESET pin = Low
1-2: Located at MAX8586(IC3)-OUT pin
1-3: Located at MAX8586(IC3)-IN pin
Short Normal
Open Not permited
Short With discharge resistor
Open Without discharge resistor
Short Uses CN2 as USB port 0 device/host
Open Uses CN2 as USB port 0 device
1-2: Located at MAX8586(IC2)-OUT pin
1-3: Located at MAX8586(IC2)-IN pin
Short With discharge resistor
Open Without discharge resistor
S1R72V18 Evaluation Board Manual
(Rev.1.01)