Configuration; Jtag/Ice Configuration; Ethernet Configuration - Atmel AT91SAM9G45-EKES User Manual

5.1

JTAG/ICE Configuration

Table 5-1. JTAG/ICE Configuration
Designation Default Setting
R84 Not populated
R85 Soldered
R86 Soldered
R87 Not populated
5.2

ETHERNET Configuration

RMII is the factory default mode.
To evaluate the MII mode, the user has to unsolder R92 and solder R93, R98 to R104, R107.
Two types of jumpers are used on the SAM9G45-EKES board:
2-pin jumpers with two possible settings:
– Fitted: the circuit is closed, and
– Not fitted: the circuit is open
3-pin jumpers with two possible positions, for which settings are presented in the following tables.
AT91SAM9G45-EKES User Guide
Feature
Disables the ICE NTRST input
Enables the ICE RTCK return. R87 must be opened
Enables the ICE NRST input
Disables TCK <-> RTCK local loop
Section 5

Configuration

5-1
6481B–ATARM–27-Nov-09