at91sam7l128 ATMEL Corporation, at91sam7l128 Datasheet - Page 2

• Manufacturer Part Number: at91sam7l128
• Description: At91 Arm Thumb-based Microcontroller
• Manufacturer: ATMEL Corporation

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Advanced Interrupt Controller (AIC)
Debug Unit (DBGU)
Periodic Interval Timer (PIT)
Windowed Watchdog (WDT)
Real-time Clock (RTC)
Three Parallel Input/Output Controllers (PIOA, PIOB, PIOC)
Eleven Peripheral DMA Controller (PDC) Channels
One Segment LCD Controller
Two Universal Synchronous/Asynchronous Receiver Transmitters (USART)
One Master/Slave Serial Peripheral Interface (SPI)
One Three-channel 16-bit Timer/Counter (TC)
One Four-channel 16-bit PWM Controller (PWMC)
One Two-wire Interface (TWI)
One 4-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os
SAM-BA
IEEE
Four High-current Drive I/O lines, Up to 4 mA Each
Power Supplies
Fully Static Operation: Up to 36 MHz at 85°C, Worst Case Conditions
Available in a 128-lead LQFP Green and a 144-ball LFBGA Green Package
– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
– Two External Interrupt Sources and One Fast Interrupt Source, Spurious Interrupt Protected
– Two-wire UART and Support for Debug Communication Channel interrupt, Programmable ICE Access Prevention
– 20-bit Programmable Counter plus 12-bit Interval Counter
– 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
– Two Hundred Year Calendar with Alarm
– Runs Off the Internal RC or Crystal Oscillator
– Eighty 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
– Display Capacity of Forty Segments and Ten Common Terminals
– Software Selectable LCD Output Voltage (Contrast)
– Individual Baud Rate Generator, IrDA
– Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support
– Manchester Encoder/Decoder
– Full Modem Line Support on USART1
– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects
– Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel
– Double PWM Generation, Capture/Waveform Mode, Up/Down Capability
– Master, Multi-Master and Slave Mode Support, All Atmel
– General Call Supported in Slave Mode
– Default Boot Program
– Interface with SAM-BA Graphic User Interface
– In Application Programming Function (IAP)
– Embedded 1.8V Regulator, Drawing up to 60 mA for the Core with Programmable Output Voltage
– Single Supply 1.8V - 3.6V
®
1149.1 JTAG Boundary Scan on All Digital Pins
AT91SAM7L128/64 Preliminary
®
Boot Assistant
®
Infrared Modulation/Demodulation
®
Two-wire EEPROMs and I
2
C compatible Devices Supported
6257AS–ATARM–28-Feb-08