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Atmel Electronic Components Datasheet

AT91SAM7S161 Datasheet

(AT91SAM7Sxxx) low pincount Flash microcontroller

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AT91SAM7S161 pdf
Features
Incorporates the ARM7TDMI® ARM® Thumb® Processor
– High-performance 32-bit RISC Architecture
– High-density 16-bit Instruction Set
– Leader in MIPS/Watt
– EmbeddedICEIn-circuit Emulation, Debug Communication Channel Support
Internal High-speed Flash
– 512 Kbytes (AT91SAM7S512) Organized in Two Contiguous Banks of 1024 Pages
of 256 Bytes (Dual Plane)
– 256 Kbytes (AT91SAM7S256) Organized in 1024 Pages of 256 Bytes (Single Plane)
– 128 Kbytes (AT91SAM7S128) Organized in 512 Pages of 256 Bytes (Single Plane)
– 64 Kbytes (AT91SAM7S64) Organized in 512 Pages of 128 Bytes (Single Plane)
www.DataSheet4U32.coKmbytes (AT91SAM7S321/32) Organized in 256 Pages of 128 Bytes (Single Plane)
– 16Kbytes (AT91SAM7S161/16 Organized in 256 Pages of 64 Bytes (Single Plane)
– Single Cycle Access at Up to 30 MHz in Worst Case Conditions
– Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed
– Page Programming Time: 6 ms, Including Page Auto-erase, Full Erase Time: 15 ms
– 10,000 Write Cycles, 10-year Data Retention Capability, Sector Lock Capabilities,
Flash Security Bit
– Fast Flash Programming Interface for High Volume Production
Internal High-speed SRAM, Single-cycle Access at Maximum Speed
– 64 Kbytes (AT91SAM7S512/256)
– 32 Kbytes (AT91SAM7S128)
– 16 Kbytes (AT91SAM7S64)
– 8 Kbytes (AT91SAM7S321/32)
– 4 Kbytes (AT91SAM7S161/16)
Memory Controller (MC)
– Embedded Flash Controller, Abort Status and Misalignment Detection
Reset Controller (RSTC)
– Based on Power-on Reset and Low-power Factory-calibrated Brown-out Detector
– Provides External Reset Signal Shaping and Reset Source Status
Clock Generator (CKGR)
– Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL
Power Management Controller (PMC)
– Software Power Optimization Capabilities, Including Slow Clock Mode (Down to
500 Hz) and Idle Mode
– Three Programmable External Clock Signals
Advanced Interrupt Controller (AIC)
– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
– Two (AT91SAM7S512/256/128/64/321/161) or One (AT91SAM7S32/16) External
Interrupt Source(s) and One Fast Interrupt Source, Spurious Interrupt Protected
Debug Unit (DBGU)
– 2-wire UART and Support for Debug Communication Channel interrupt,
Programmable ICE Access Prevention
Periodic Interval Timer (PIT)
– 20-bit Programmable Counter plus 12-bit Interval Counter
Windowed Watchdog (WDT)
– 12-bit key-protected Programmable Counter
– Provides Reset or Interrupt Signals to the System
– Counter May Be Stopped While the Processor is in Debug State or in Idle Mode
AT91 ARM
Thumb-based
Microcontrollers
AT91SAM7S512
AT91SAM7S256
AT91SAM7S128
AT91SAM7S64
AT91SAM7S321
AT91SAM7S32
AT91SAM7S161
AT91SAM7S16
Summary
NOTE: This is a summary document.
The complete document is available on
the Atmel website at www.atmel.com.
6175FS–ATARM–03-Dec-07


Atmel Electronic Components Datasheet

AT91SAM7S161 Datasheet

(AT91SAM7Sxxx) low pincount Flash microcontroller

No Preview Available !

AT91SAM7S161 pdf
Real-time Timer (RTT)
– 32-bit Free-running Counter with Alarm
– Runs Off the Internal RC Oscillator
One Parallel Input/Output Controller (PIOA)
– Thirty-two (AT91SAM7S512/256/128/64/321/161) or twenty-one (AT91SAM7S32/16) Programmable I/O Lines Multiplexed
with up to Two Peripheral I/Os
– Input Change Interrupt Capability on Each I/O Line
– Individually Programmable Open-drain, Pull-up resistor and Synchronous Output
Eleven (AT91SAM7S512/256/128/64/321/161) or Nine (AT91SAM7S32/16) Peripheral DMA Controller (PDC) Channels
One USB 2.0 Full Speed (12 Mbits per Second) Device Port (Except for the AT91SAM7S32/16).
– On-chip Transceiver, 328-byte Configurable Integrated FIFOs
One Synchronous Serial Controller (SSC)
www.DataSheet4UIn.cdoempendent Clock and Frame Sync Signals for Each Receiver and Transmitter
– I²S Analog Interface Support, Time Division Multiplex Support
– High-speed Continuous Data Stream Capabilities with 32-bit Data Transfer
Two (AT91SAM7S512/256/128/64/321/161) or One (AT91SAM7S32/16) Universal Synchronous/Asynchronous Receiver
Transmitters (USART)
– Individual Baud Rate Generator, IrDA® Infrared Modulation/Demodulation
– Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support
– Full Modem Line Support on USART1 (AT91SAM7S512/256/128/64/321/161)
One Master/Slave Serial Peripheral Interface (SPI)
– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects
One Three-channel 16-bit Timer/Counter (TC)
– Three External Clock Input and Two Multi-purpose I/O Pins per Channel (AT91SAM7S512/256/128/64/321/161)
– One External Clock Input and Two Multi-purpose I/O Pins for the first Two Channels Only (AT91SAM7S32/16)
– Double PWM Generation, Capture/Waveform Mode, Up/Down Capability
One Four-channel 16-bit PWM Controller (PWMC)
One Two-wire Interface (TWI)
– Master Mode Support Only, All Two-wire Atmel EEPROMs and I2C Compatible Devices Supported
(AT91SAM7S512/256/128/64/321/32)
– Master, Multi-Master and Slave Mode Support, All Two-wire Atmel EEPROMs and I2C Compatible Devices Supported
(AT91SAM7S161/16)
One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os
SAM-BABoot Assistant
– Default Boot program
– Interface with SAM-BA Graphic User Interface
IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins
5V-tolerant I/Os, including Four High-current Drive I/O lines, Up to 16 mA Each (AT91SAM7S161/16 I/Os Not 5V-tolerant)
Power Supplies
– Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External Components
– 3.3V or 1.8V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash Power Supply
– 1.8V VDDCORE Core Power Supply with Brown-out Detector
Fully Static Operation: Up to 55 MHz at 1.65V and 85°C Worst Case Conditions
Available in 64-lead LQFP Green or 64-pad QFN Green Package (AT91SAM7S512/256/128/64/321/161) and 48-lead LQFP Green
or 48-pad QFN Green Package (AT91SAM7S32/16)
2 AT91SAM7S Series Summary
6175FS–ATARM–03-Dec-07


Part Number AT91SAM7S161
Description (AT91SAM7Sxxx) low pincount Flash microcontroller
Maker ATMEL Corporation
Total Page 30 Pages
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