|
AT91SAM7L128PRE Datasheet, PDF (1/564 Pages) ATMEL Corporation – numberHigh-performance 32-bit RISC Architecture | |||
|
Features
⢠Incorporates the ARM7TDMI® ARM® Thumb® Processor
â High-performance 32-bit RISC Architecture
â High-density 16-bit Instruction Set
â Leader in MIPS/Watt
â EmbeddedICE⢠In-circuit Emulation, Debug Communication Channel Support
⢠Internal High-speed Flash
â 128 Kbytes (AT91SAM7L128), Organized in 512 Pages of 256 Bytes Single Plane
â 64 Kbytes (AT91SAM7L64), Organized In 256 Pages of 256 Bytes Single Plane
â Single Cycle Access at Up to 15 MHz in Worst Case Conditions
â 128-bit Read Access
â Page Programming Time: 4.6 ms, Including Page Auto Erase, Full Erase Time: 10 ms
â 10,000 Write Cycles, 10-year Data Retention Capability, Sector Lock Capabilities,
Flash Security Bit
â Fast Flash Programming Interface for High Volume Production
⢠Internal High-speed SRAM, Single-cycle Access at Maximum Speed
â 6 Kbytes
⢠2 Kbytes Directly on Main Supply That Can Be Used as Backup SRAM
⢠4 Kbytes in the Core
⢠Memory Controller (MC)
â Enhanced Embedded Flash Controller, Abort Status and Misalignment Detection
⢠Enhanced Embedded Flash Controller (EEFC)
â Interface of the Flash Block with the 32-bit Internal Bus
â Increases Performance in ARM and Thumb Mode with 128-bit Wide Memory
Interface
⢠Reset Controller (RSTC)
â Based on Zero-power Power-on Reset and Fully Programmble Brownout Detector
â Provides External Reset Signal Shaping and Reset Source Status
⢠Clock Generator (CKGR)
â Low-power 32 kHz RC Oscillator, 32 kHz On-chip Oscillator, 2 MHz Fast RC
Oscillator and one PLL
⢠Supply Controller (SUPC)
â Minimizes Device Power Consumption
â Manages the Different Supplies On Chip
â Supports Multiple Wake-up Sources
⢠Power Management Controller (PMC)
â Software Power Optimization Capabilities, Including Active and Four Low Power
Modes:
⢠Idle Mode: No Processor Clock
⢠Wait Mode: No Processor Clock, Voltage Regulator Output at Minimum
⢠Backup Mode: Voltage Regulator and Processor Switched Off
⢠Off (Power Down) Mode: Entire Chip Shut Down Except for Force Wake Up Pin
(FWUP) that Re-activates the Device. 100 nA Current Consumption.
⢠In Active Mode, Dynamic Power Consumption <30 mA at 36 MHz
â Three Programmable External Clock Signals
â Handles Fast Start Up
AT91 ARM
Thumb-based
Microcontroller
AT91SAM7L128
AT91SAM7L64
Preliminary
.
6257AâATARMâ20-Feb-08
|
▷ |