AT91SAM9G45 datasheet(49/56 Pages) ATMEL

49 / 56 page

6438ES–ATARM–21-Jun-10

AT91SAM9G45

• Embedded 4-KByte dual-port RAM for endpoints

• Embedded 6 channels DMA controller

• Suspend/Resume logic

• Up to 2 or 3 banks for isochronous and bulk endpoints

• Seven endpoints:

– Endpoint 0: 64 bytes, 1 bank mode

– Endpoint 1 & 2: 1024 bytes, 2 banks mode, High Bandwidth, DMA

– Endpoint 3 & 4: 1024 bytes, 3 banks mode, DMA

– Endpoint 5 & 6: 1024 bytes, 3 banks mode, High Bandwidth, DMA

10.11 LCD Controller (LCDC)

• Single and Dual scan color and monochrome passive STN LCD panels supported

• Single scan active TFT LCD panels supported.

• 4-bit single scan, 8-bit single or dual scan, 16-bit dual scan STN interfaces supported

• Up to 24-bit single scan TFT interfaces supported

• Up to 16 gray levels for mono STN and up to 4096 colors for color STN displays

• 1, 2 bits per pixel (palletized), 4 bits per pixel (non-palletized) for mono STN

• 1, 2, 4, 8 bits per pixel (palletized), 16 bits per pixel (non-palletized) for color STN

• 1, 2, 4, 8 bits per pixel (palletized), 16, 24 bits per pixel (non-palletized) for TFT

• Single clock domain architecture

• Resolution supported up to 2048 x 2048

10.12 Touch Screen Analog-to-Digital Converter (TSADC)

• 8-channel ADC

• Support 4-wire resistive Touch Screen

• 10-bit 384 Ksamples/sec. Successive Approximation Register ADC

• -3/+3 LSB Integral Non Linearity, -2/+2 LSB Differential Non Linearity

• Integrated 8-to-1 multiplexer, offering eight independent 3.3V analog inputs

• External voltage reference for better accuracy on low voltage inputs

• Individual enable and disable of each channel

• Multiple trigger sources

– Hardware or software trigger

– External trigger pin

• Sleep Mode and conversion sequencer

– Automatic wakeup on trigger and back to sleep mode after conversions of all

enabled channels

10.13 Ethernet 10/100 MAC (EMAC)

• Compatibility with IEEE Standard 802.3

• 10 and 100 MBits per second data throughput capability

• Full- and half-duplex operations

AT91SAM9G45 Datasheet(PDF) 49 Page - ATMEL Corporation