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Configuration
5.4
Miscellaneous Configuration Items
N.P = not populated
P = populated
Table 5-3. Miscellaneous Configuration
Default
Designation
R34
R35
R36
R38
R63
R68
R75
R91,R92
R93,R94
R100, R103
to R105,
R108 to
R110, R112,
R114, C174,
C175, Y5
Y6, R184,
R186
TP1
TP2
TP3
TP4
Setting
N.P
P
P
P
N.P
N.P
N.P
N.P
Feature
JTAGSEL
Connect TSADVREF to VDDANA (may be used for specific filtering)
Connect GNDANA to GND (may be used for specific filtering)
Force TST pin to GND (chip is set in non-test mode = normal operation mode)
Write protect NAND Flash (mount a 0-ohm resistor to write-protect the NAND
Flash device)
Write protect serial DataFlash (mount a 0-ohm resistor to write-protect the serial
Flash device)
External clock Audio AC97 (mount a 0-ohm resistor to connect it)
ICE interface reset and clocking schemes (see Section 5.1 ”JTAG/ICE
Configuration” )
Ethernet interface, MII mode (see Section 5.2 ”ETHERNET Configuration” )
External 13 MHz oscillator (option) for the on-board video composite encoder
GND Test point
GND Test point
GND Test point
GND Test point
5.5
5.5.1
5.5.2
PIO Configuration
Peripheral Signals Multiplexing on I/O Lines
The AT91SAM9M10 product features 5 PIO controllers, PIOA, PIOB, PIOC, PIOD and PIOE, which mul-
tiplex the I/O lines of the peripheral set. Each PIO Controller controls up to 32 lines. Each line can be
assigned to one of two peripheral functions, A or B. The multiplexing tables in the following paragraphs
define how the I/O lines of peripherals A and B are multiplexed on the PIO Controllers.
Multiplexing on PIO Controller A (PIOA)
"R.Select" = connection selectable via an on-board resistor (default not populated)
AT91SAM9M10-G45-EK User Guide
5-3
6495B–ATARM–21-Apr-10
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