Atmel AT91SAM9RL-EK, User Manual

Page: 22 / 36

AT91SAM9RL-EK Evaluation Board User Guide 4-1
6325A–ATARM–08-Jan-08
Section 4
Jumpers
4.1 Jumpers
Note: 1. These jumpers are provided for power consumption measurement use. By default, they are closed. To
use this feature, the user has to open the strap and insert an anmeter.
4.2 JTAG/ICE
Table 4-1. Jumpers Configuration
Designation Default Setting Feature
J2 Closed 3.3V Jumper
(1)
J3 Closed
Forces power on.
To use the software shutdown control, J3 must be opened. 3V battery
backup must be present.
J5 Closed VDDPLLB Jumper
(1)
J6 Closed VDDPLLA Jumper
(1)
J8 Closed VDDBU Jumper
(1)
J10 Closed VDDCORE Jumper
(1)
J11 1-2
BMS (Boot Mode Select)
1-2: Internal ROM
2-3: NCS0
J12 Closed Enables the use of the embedded NAND FLASH device (MN7)
J13 Closed Enables the use of the embedded SERIAL DATAFLASH device (MN8)
Table 4-2. JTAG/ICE Configuration
Designation Default Setting Feature
S1 Opened Selects ICE mode or JTAG mode
R11 Soldered Enables the ICE NTRST input
R13 Soldered Enables the ICE NRST input