
RSK+RX71M
6. Configuration
R20UT3217EG0100 Rev. 1.00
Page 59 of 71
Jan 23, 2015
Reference
MCU Peripheral Selection
Destination Selection
Function
Fit
DNF
Interface
Function
USB0VBUS
Enables Self-powered.
R56
R60
J1
Enables Bus-powered.
R60
R56
J1
ILIM
Sets current limit as 0.7A.
R3
R21
U3.4
Sets current limit as 1.95A.
R21
R3
U3.4
VBUSA
Enables USBA OTG mode.
R52
J4.Open
U4.1
VBUS0, VBUSA
Connects VBUSA to J23.3
R221
R222
J23.3
Connects VBUS0 to J23.3
R222
R221
J23.3
Table 6-41: USB Option Links (2)
Table 6-42
below details the function of the option links associated with the USB Configuration.
Reference
Jumper Position
Explanation
Related Ref.
J1
Shorted Pin1-2
Enables USB0 Host mode.
-
Shorted Pin2-3
Enables USB0 Function mode.
R56, R60
All open
DO NOT SET
-
J2
Shorted Pin1-2
Connects USBA VBUS to EXT_CHG.
-
Shorted Pin2-3
Connects USBA VBUS to EXT_VBUS.
-
All open
Disconnects USBA VBUS from EXT_CHG and EXT_VBUS.
-
J4
Shorted Pin1-2
Enables USBA Host mode.
-
Shorted Pin2-3
Enables USBA Function mode.
J6
All open
Enables USBA OTG mode.
R52
J6
Shorted Pin1-2
Enables Bus-powered.
J4
Shorted Pin2-3
Enables Self-powered.
J4
All open
DO NOT SET
-
J23
Shorted Pin1-2
Enables external battery input.
-
Shorted Pin2-3
Enables VBUS input.
R221, R222
All open
Disables external battery input and VBUS input.
-
Table 6-42: USB Option Settings
Содержание RX71M
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