AT91SAM7S64-AU

Product Summary

The AT91SAM7S64-AU is a serie of low pincount Flash microcontroller. The AT91SAM7S64-AU is based on the 32-bit ARM RISC processor. The AT91SAM7S64-AU features a high-speed Flash and an SRAM, a large set of peripherals, including a USB 2.0 device, and a complete set of system functions minimizing the number of external components. The device of the AT91SAM7S64-AU is an ideal migration path for 8-bit microcontroller users looking for additional performance and extended memory.

Parametrics

AT91SAM7S64-AU absolute maximum ratings: (1)Voltage and ADC Regulator Power Supply Input: 3.0 to 3.6V; (2)Voltage Regulator Output: 1.85V nominal; (3)Flash Power Supply: 3.0V to 3.6V; (4)I/O Lines Power Supply: 3.0V to 3.6V or 1.65V to 1.95V; (5)Core Power Supply: 1.65V to 1.95V; (6)PLL: 1.65V to 1.95V

Features

AT91SAM7S64-AU features: (1)Incorporates the ARM7TDMI ARM Thumb Processor; (2)Internal High-speed Flash; (3)Internal High-speed SRAM, Single-cycle Access at Maximum Speed; (4)Memory Controller (MC), Embedded Flash Controller, Abort Status and Misalignment Detection; (5)Reset Controller (RSTC), Based on Power-on Reset and Low-power Factory-calibrated Brown-out Detector; (6)Clock Generator (CKGR), Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL; (7)Power Management Controller (PMC), Software Power Optimization Capabilities, Including Slow Clock Mode (Down to 500 Hz) and Idle Mode; (8)Advanced Interrupt Controller (AIC), Individually Maskable, Eight-level Priority, Vectored Interrupt Sources; (9)Debug Unit (DBGU), 2-wire UART and Support for Debug Communication Channel interrupt, Programmable ICE Access Prevention; (10)Periodic Interval Timer (PIT), 20-bit Programmable Counter plus 12-bit Interval Counter; (11)Windowed Watchdog (WDT), 12-bit key-protected Programmable Counter; (12)Real-time Timer (RTT), 32-bit Free-running Counter with Alarm; (13)One Parallel Input/Output Controller (PIOA) ; (14)Eleven or Nine Peripheral DMA Controller (PDC) Channels; (15)One USB 2.0 Full Speed (12 Mbits per Second) Device Port ; (16)One Master/Slave Serial Peripheral Interface ; (17)One Four-channel 16-bit PWM Controller (PWMC); (18)One Two-wire Interface (TWI); (19)One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os; (20)SAM-BA Boot Assistant.

Diagrams