Atmel Evaluation Kit AT91SAM9260-EK AT91SAM9260-EK 데이터 시트

6234C–ATARM–22-Mar-07

Table 4-2.  JTAG/ICE Configuration

S1

Opened

Disables the ICE NTRST input

S2

Opened

Selects ICE mode or JTAG mode (See Errata)

S3

Opened

Disables TCK <-> RTCK local loop. If S3 is closed, R13 
must be unsoldered.

R13

Soldered

Enables the ICE RTCK return. S3 must be opened

R14

Soldered

Enables the ICE NRST input

Table 4-3.  Microcontroller Clock Configuration

R18/R20

Soldered

Enables the use of 18.432MHz crystal. If external clock 
used, R18/R20 must be unsoldered and S4 closed.

S4

Opened

J9

Slow Clock Setting. See 

Table 4-4.  Memory Configuration

R31

R32

Soldered

Soldered

Enables MN7 Chip select access

Enables MN8 Chip select access

R36

R34

S6

Soldered

Soldered

Opened

Enables the use of NANDFlash (MN6x)

Enables the use of Ready Busy signalDisables write 
protect

R40

S5

Soldered

Opened

Enable the use of the Serial DataFlash (MN9)

Disables the write protect.

R46

R47

Soldered

Soldered

Enables SCL access

Enables SDA access