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Configuration Straps
4-2
AT91SAM9261-EK Evaluation Board User Guide
6198C–ATARM–15-Dec-06
Note:
1. These jumpers are provided for measuring power consumption. By default, they are
closed. To use this feature, the user has to open the strap and insert an ammeter.
S7-S8
S9
Closed
Enables the use of 18.432 MHz crystal. If external clock used,
S7-S8 must be opened and S9 closed.
Opened
S10
Closed
Enables the use of SDRAM (NCS1_SDCS)
S12
Opened
Disables Serial DataFlash write protect.
S13
Closed
Disables NAND FLASH write protect.
S14
Closed
Enables the use of interrupt ETHERNET MAC (PC11_FIQ).
S15
Closed
Enables the use of ETHERNET MAC (NCS2).
S16
Opened
Disables the use of NWAIT ETHERNET MAC signal
(PC2_NWAIT)
S19
Closed
Enables the use of the User LED DS7 (PA14)
S20
Closed
Enables the use of the User LED DS8 (PA13)
S21
Closed
Enables the use of the DBGU RXD signal (PA9)
S22
Closed
Enables the use of the USB CNX detection (PB29)
S23
Closed
Enables the use of AUDIO DAC INTERFACE (NPCS03)
S24
Closed
Enables the use of TOUCH SCEEN CONTROLLER (NPCS02)
S25
Closed
Enables the use of TOUCH SCEEN CONTROLLER BUSY
signal (PA11)
S26
Closed
Enables the use of TOUCH SCEEN CONTROLLER PENIRQ
(PC2_IRQ0)
TP1
N.A
3.3V Test point.
TP2
N.A
GND Test point.
TP3
N.A
1.2V Test point.
TP4
N.A
GND Test point.
TP63
N.A
0 to 3.3V analog user's input
TP64
N.A
0 to 3.3V analog user's input
TP65
N.A
AGND of TP63
TP66
N.A
AGND of TP64
Table 4-1. Configuration Jumpers and Straps
Designation
Default
Setting
Feature
Содержание AT91SAM9261-EK
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Страница 34: ...Errata 6 2 AT91SAM9261 EK Evaluation Board User Guide 6198C ATARM 15 Dec 06...
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