Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
5
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
3.
Signal Description
gives details on the signal names classified by peripheral.
Table 3-1.
Signal Description List
Signal Name
Function
Type
Active Level
Clocks, Oscillators and PLLs
XIN
Main Oscillator Input
Input
XOUT
Main Oscillator Output
Output
XIN32
Slow Clock Oscillator Input
Input
XOUT32
Slow Clock Oscillator Output
Output
PCK0 - PCK1
Programmable Clock Output
Output
Shutdown, Wakeup Logic
SHDN
Shut-Down Control
Output
WKUP
Wake-Up Input
Input
ICE and JTAG
TCK
Test Clock
Input
TDI
Test Data In
Input
TDO
Test Data Out
Output
TMS
Test Mode Select
Input
JTAGSEL
JTAG Selection
Input
RTCK
Return Test Clock
Output
Reset/Test
NRST
Microcontroller Reset
I/O
Low
NTRST
Test Reset Signal
Input
BMS
Boot Mode Select
Input
Debug Unit - DBGU
DRXD
Debug Receive Data
Input
DTXD
Debug Transmit Data
Output
Advanced Interrupt Controller - AIC
IRQ
External Interrupt Input
Input
FIQ
Fast Interrupt Input
Input
PIO Controller - PIOA - PIOB - PIOC - PIOD
PA0 - PA31
Parallel IO Controller A
I/O
PB0 - PB18
Parallel IO Controller B
I/O
PC0 - PC31
Parallel IO Controller C
I/O
PD0 - PD21
Parallel IO Controller D
I/O