Configuration; Configuration Jumpers And Straps - Atmel AT91SAM9263-EK User Manual

4.1

Configuration Jumpers and Straps

Table 4-1. Configuration Jumpers and Straps
Designation
J4-1
J4-2
J5-1
J5-2
J5-3
J5-4
J5.5
J5-6
J5-7
J16
J21
J29
R17
R18
R13
R15
R45
R46
R75
R79
R84
AT91SAM9263-EK Evaluation Board Rev. B User Guide
Default Setting
J2 Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Opened
Closed
Opened
Closed
Closed
Closed
S1 Opened
S2 Opened
S3 Opened
IN
IN
IN
IN
IN
IN
IN
IN
IN
Feature
Forces power on. To use the software shutdown control, J2 must be opened
and the battery backup inserted in its socket.
(1)
VDDBU jumper
(1)
VDDCORE jumper
(1)
VDDOSC jumper
(1)
VDDIOP0 jumper
(1)
VDDIOP1 jumper
(1)
VDDIOM0 jumper
(1)
VDDIOM1 jumper
Enables Boot on the internal ROM. Close to boot from NCS0.
Enables Boot on the NCS0
NTRST Ground
Enables 120 ohms CAN bus resistance termination
Enables Ethernet Auto MDIX control
NAND FLash chip select
Selects ICE or JTAG mode. (closed)
Disables NAND FLASH write protect
Disables 5V power supply on J24, J25 expansion connectors
Enables the ICE NTRST input
Enables the ICE NRST input
Enables the use of the Y1 crystal. If an external clock has to be used, R13
and R15 must be unsoldered and R16/J16 fitted.
Enables the use of the SERIAL EEPROM SCL (PB5)
Enables the use of the SERIAL EEPROM SDA (PB4)
Enables the use of the DBGU TXD signal (PC31)
Enables the use of the DBGU RXD signal (PC30)
Enables the use of the USB CNX detection (PA25)
Section 4

Configuration

4-1
6341B–ATARM–17-Sep-08