Microchip AT91SAM9XE512B-QU, 32bit ARM Microcontroller, AT91, 180MHz, 32 kB Flash, 208-Pin PQFP

A member of the Microchip SAM9XE series of microcontrollers based on the high-performance 32-bit ARM926EJ processor. It operates at a maximum speed of 160MHz and features 512KB of flash and 16KB of SRAM.

 CKGR
Selectable 32768Hz Low-power Oscillator or Internal Low Power RC Oscillator on Battery Backup Power
Supply, Providing a Permanent Slow Clock
3 to 20MHz On-chip Oscillator, One Up to 240MHz PLL and One Up to 100MHz PLL
 PMC
Very Slow Clock Operating Mode, Software Programmable Power Optimization Capabilities
Two Programmable External Clock Signals
 AIC
Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
Three External Interrupt Sources and One Fast Interrupt Source, Spurious Interrupt Protected
 DBGU
2-wire UART and support for Debug Communication Channel, Programmable

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