Datasheet

10
6289CS–ATARM–28-May-09
AT91SAM9R64/RL64
AC97 Controller - AC97C
AC97RX AC97 Receive Signal Input Not present on AT91SAM9R64.
AC97TX AC97 Transmit Signal Output Not present on AT91SAM9R64.
AC97FS AC97 Frame Synchronization Signal Output Not present on AT91SAM9R64.
AC97CK AC97 Clock signal Input Not present on AT91SAM9R64.
Timer/Counter - TC
TCLKx TC Channel x External Clock Input Input TCLK1 not present on AT91SAM9R64.
TIOAx TC Channel x I/O Line A I/O TIOA1, TIOA2 not present on AT91SAM9R64.
TIOBx TC Channel x I/O Line B I/O TIOB1, TIOB2 not present on AT91SAM9R64.
Pulse Width Modulation Controller- PWMC
PMWx Pulse Width Modulation Output Output PWM2 not present on AT91SAM9R64.
Serial Peripheral Interface - SPI
MISO Master In Slave Out I/O
MOSI Master Out Slave In I/O
SPCK SPI Serial Clock I/O
NPCS0 SPI Peripheral Chip Select 0 I/O Low
NPCS1 - NPCS3 SPI Peripheral Chip Select Output Low NPCS2, NPCS3 not present on AT91SAM9R64.
Two-Wire Interface - TWIx
TWDx TWIx Two-wire Serial Data I/O TWD1 not present on AT91SAM9R64.
TWCKx TWIx Two-wire Serial Clock I/O TWCK1 not present on AT91SAM9R64.
Touch Screen Analog-to-Digital Converter
GPAD0-GPAD5 Analog Inputs Analog GPAD4, GPAD5 not present on AT91SAM9R64.
AD0X
P
Touch Panel Right side Analog Multiplexed with AD0
AD1X
M
Touch Panel Left side Analog Multiplexed with AD1
AD2Y
P
Touch Panel Top side Analog Multiplexed with AD2
AD3Y
M
Touch Panel Bottom side Analog
Multiplexed with AD3. Not present on
AT91SAM9R64.
TSADTRG ADC Trigger Input
TSADVREF ADC Reference Analog
LCD Controller - LCDC
LCDD0 - LCDD23 LCD Data Bus Output Not present on AT91SAM9R64.
LCDVSYNC LCD Vertical Synchronization Output Not present on AT91SAM9R64.
LCDHSYNC LCD Horizontal Synchronization Output Not present on AT91SAM9R64.
LCDDOTCK LCD Dot Clock Output Not present on AT91SAM9R64.
LCDDEN LCD Data Enable Output Not present on AT91SAM9R64.
LCDCC LCD Contrast Control Output Not present on AT91SAM9R64.
LCDPWR LCD panel Power enable control Output Not present on AT91SAM9R64.
LCDMOD LCD Modulation signal Output Not present on AT91SAM9R64.
Table 3-1. Signal Description List (Continued)
Signal Name Function Type
Active
Level Comments