AT91SAM9G20-EK Atmel, AT91SAM9G20-EK Datasheet - Page 23

• Manufacturer Part Number: AT91SAM9G20-EK
• Description: KIT EVAL FOR AT91SAM9G20 MCU
• Manufacturer: Atmel
• Type: MCUr

Specifications of AT91SAM9G20-EK

• Contents: Board, Cables, CD, Power Supply
• Processor To Be Evaluated: AT91SAM9G20
• Data Bus Width: 32 bit
• Interface Type: RS-232, Ethernet, USB
• Core: RISC
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: ARM926EJ-S
• Silicon Core Number: AT91SAM9G20
• Silicon Family Name: ARM
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM9G20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.1
AT91SAM9G20-EK Evaluation Board User Guide
Jumpers
Table 4-1. Jumpers Configuration
Note:
Designation
J2
J3
J6
J7
J9
J10
J12
J15
J33
J34
1. These jumpers are provided for power consumption measurement. By default, they are closed. To use
this feature, the user has to open the strap and insert an ampere meter.
Default Setting
Closed
Closed
Closed
Open
Closed
2-3
2-3
Closed
Closed
Closed
Closed
Feature
3.3V Jumper
Forces power on. To use the software shutdown control:
• J3 must be opened,
• 3V battery backup must be present,
• J10 jumper set in position 1-2
VDDPLL Jumper
Enables boot on the internal ROM
Enables boot on the NCS0
Slow Clock OSCSEL
1-2: Internal RC Oscillator
2-3: External Crystal Oscillator
VDDBU Jumper select
1-2: Lithium 3V Battery
2-3: 1.0V from VDDCORE
VDDCORE Jumper
Enables Ethernet Auto MDIX control
Serial DataFlash chip select enable
NAND Flash chip select enable
(1)
(1)
(1)
(1)
Configuration
6413C–ATARM–18-Feb-09
Section 4
4-1