at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet

at91sam9g20-cu

Manufacturer Part Number

at91sam9g20-cu

Description

At91 Arm Thumb Microcontrollers

Manufacturer

ATMEL Corporation

Datasheet

1.AT91SAM9G20-CU.pdf (814 pages)

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Features

•

Incorporates the ARM926EJ-S

Additional Embedded Memories

External Bus Interface (EBI)

USB 2.0 Full Speed (12 Mbits per second) Device Port

USB 2.0 Full Speed (12 Mbits per second) Host and Double Port

Ethernet MAC 10/100 Base T

Image Sensor Interface

Bus Matrix

Fully-featured System Controller, including

Reset Controller (RSTC)

Clock Generator (CKGR)

Power Management Controller (PMC)

Advanced Interrupt Controller (AIC)

Debug Unit (DBGU)

– DSP Instruction Extensions, ARM Jazelle

– 32-KByte Data Cache, 32-KByte Instruction Cache, Write Buffer

– CPU Frequency 400 MHz

– Memory Management Unit

– EmbeddedICE

– One 64-KByte Internal ROM, Single-cycle Access at Maximum Matrix Speed

– Two 16-KByte Internal SRAM, Single-cycle Access at Maximum Matrix Speed

– Supports SDRAM, Static Memory, ECC-enabled NAND Flash and CompactFlash

– On-chip Transceiver, 2,432-byte Configurable Integrated DPRAM

– Single or Dual On-chip Transceivers

– Integrated FIFOs and Dedicated DMA Channels

– Media Independent Interface or Reduced Media Independent Interface

– 128-byte FIFOs and Dedicated DMA Channels for Receive and Transmit

– ITU-R BT. 601/656 External Interface, Programmable Frame Capture Rate

– 12-bit Data Interface for Support of High Sensibility Sensors

– SAV and EAV Synchronization, Preview Path with Scaler, YCbCr Format

– Six 32-bit-layer Matrix

– Boot Mode Select Option, Remap Command

– Reset Controller, Shutdown Controller

– Four 32-bit Battery Backup Registers for a Total of 16 Bytes

– Clock Generator and Power Management Controller

– Advanced Interrupt Controller and Debug Unit

– Periodic Interval Timer, Watchdog Timer and Real-time Timer

– Based on a Power-on Reset Cell, Reset Source Identification and Reset Output

– Selectable 32,768 Hz Low-power Oscillator or Internal Low Power RC Oscillator on

– 3 to 20 MHz On-chip Oscillator, One up to 800 MHz PLL and One up to 100 MHz PLL

– Very Slow Clock Operating Mode, Software Programmable Power Optimization

– Two Programmable External Clock Signals

– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources

– Three External Interrupt Sources and One Fast Interrupt Source, Spurious

– 2-wire UART and Support for Debug Communication Channel, Programmable ICE

– Mode for General Purpose 2-wire UART Serial Communication

Control

Battery Backup Power Supply, Providing a Permanent Slow Clock

Capabilities

Interrupt Protected

Access Prevention

™

, Debug Communication Channel Support

™

ARM

Thumb

Technology for Java

Processor

Acceleration

AT91 ARM

Thumb

Microcontrollers

AT91SAM9G20

Preliminary

6384B–ATARM–15-Dec-08

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