AT91SAM9263 Datasheet, PDF (6/1029 Pages) ATMEL Corporation – Thumb Microcontrollers

Table 3-1. Signal Description List (Continued)
Signal Name
Function
Type
Active
Level
Embedded Trace Module - ETM
TSYNC
Trace Synchronization Signal
Output
TCLK
Trace Clock
Output
TPS0 - TPS2
Trace ARM Pipeline Status
Output
TPK0 - TPK15
Trace Packet Port
Output
Reset/Test
NRST
Microcontroller Reset
I/O
Low
TST
Test Mode Select
Input
BMS
Boot Mode Select
Input
Debug Unit - DBGU
DRXD
Debug Receive Data
Input
DTXD
Debug Transmit Data
Output
Advanced Interrupt Controller - AIC
IRQ0 - IRQ1
External Interrupt Inputs
Input
FIQ
Fast Interrupt Input
Input
PIO Controller - PIOA - PIOB - PIOC - PIOD - PIOE
PA0 - PA31
Parallel IO Controller A
I/O
PB0 - PB31
Parallel IO Controller B
I/O
PC0 - PC31
Parallel IO Controller C
I/O
PD0 - PD31
Parallel IO Controller D
I/O
PE0 - PE31
Parallel IO Controller E
I/O
Direct Memory Access Controller - DMA
DMARQ0-DMARQ3
DMA Requests
Input
External Bus Interface - EBI0 - EBI1
EBIx_D0 - EBIx_D31
Data Bus
I/O
EBIx_A0 - EBIx_A25
Address Bus
Output
EBIx_NWAIT
External Wait Signal
Input
Low
Static Memory Controller - SMC
EBI0_NCS0 - EBI0_NCS5,
EBI1_NCS0 - EBI1_NCS2
Chip Select Lines
Output
Low
EBIx_NWR0 -EBIx_NWR3 Write Signal
Output
Low
EBIx_NRD
Read Signal
Output
Low
EBIx_NWE
Write Enable
Output
Low
EBIx_NBS0 - EBIx_NBS3
Byte Mask Signal
Output
Low
CompactFlash Support
EBI0_CFCE1 - EBI0_CFCE2 CompactFlash Chip Enable
Output
Low
Comments
Pull-up resistor
Pull-down resistor
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
0 at reset
6 AT91SAM9263 Preliminary
6249B–ATARM–14-Dec-06