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Single-chip16-bit/32-bitmicrocontrollers; up to 512 kB flashwithISP/IAP,USB2.0full-speeddevice,10-bitADCandDAC
LQFP64Manufacturer:
Mfr.Part #:
LPC2146
Datasheet:
Package/Case:
LQFP64
RoHS:
EDA/CAD Models:
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General descriptionThe LPC2141/42/44/46/48 microcontrollers are based on a 16-bit/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, that combine microcontroller with embedded high-speed flash memory ranging from 32 kB to 512 kB. A 128-bit wide memory interface and a unique accelerator architecture enable 32-bit code execution at the maximum clock rate. For critical code size applications, the alternative 16-bit Thumb mode reduces code by more than 30 % with minimal performance penalty.Key features■ 16-bit/32-bit ARM7TDMI-S microcontroller in a tiny LQFP64 package.■ 8 kB to 40 kB of on-chip static RAM and 32 kB to 512 kB of on-chip flash memory. 128-bit wide interface/accelerator enables high-speed 60 MHz operation.■ In-System Programming/In-Application Programming (ISP/IAP) via on-chip boot loader software. Single flash sector or full chip erase in 400 ms and programming of 256 bytes in 1 ms.■ EmbeddedICE RT and Embedded Trace interfaces offer real-time debugging with the on-chip RealMonitor software and high-speed tracing of instruction execution.■ USB 2.0 Full-speed compliant device controller with 2 kB of endpoint RAM. In addition, the LPC2146/48 provides 8 kB of on-chip RAM accessible to USB by DMA.■ One or two (LPC2141/42 vs. LPC2144/46/48) 10-bit ADCs provide a total of 6/14 analog inputs, with conversion times as low as 2.44 µs per channel.■ Single 10-bit DAC provides variable analog output (LPC2142/44/46/48 only).■ Two 32-bit timers/external event counters (with four capture and four compare channels each), PWM unit (six outputs) and watchdog.■ Low power Real-Time Clock (RTC) with independent power and 32 kHz clock input.■ Multiple serial interfaces including two UARTs (16C550), two Fast I2C-bus (400 kbit/s), SPI and SSP with buffering and variable data length capabilities.■ Vectored Interrupt Controller (VIC) with configurable priorities and vector addresses.■ Up to 45 of 5 V tolerant fast general purpose I/O pins in a tiny LQFP64 package.■ Up to 21 external interrupt pins available.■ 60 MHz maximum CPU clock available from programmable on-chip PLL with settling time of 100 µs.■ On-chip integrated oscillator operates with an external crystal from 1 MHz to 25 MHz.■ Power saving modes include Idle and Power-down.■ Individual enable/disable of peripheral functions as well as peripheral clock scaling for additional power optimization.■ Processor wake-up from Power-down mode via external interrupt or BOD.■ Single power supply chip with POR and BOD circuits: ◆ CPU operating voltage range of 3.0 V to 3.6 V (3.3 V ± 10 %) with 5 V tolerant I/O pads.
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