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TI MSP430F161x family offer 5x RAM features

Posted: 24 Feb 2004 ?? ?Print Version ?Bookmark and Share

Keywords:texas instruments? ti? msp430f161x? ram? msp430?

Texas Instruments Inc. (TI) has introduced the MSP430F161x family, which offers 5 times more RAM while retaining the signal-chain-on-chip (SCoC) character of the MSP430 devices.

With the MSP430F161x devices, designers will be able to tackle tough low-power monitoring and control design challenges while supporting higher communication throughput.

Integrating up to 10kB of RAM with a 200KSps multichannel 12-bit ADC, two 12-bit DAC, two serial ports, an I?C peripheral, hardware multiplier, 10 PWM channels, and in-system programmable Flash combined with an autonomous three-channel direct memory access controller (DMA), designers can now implement a complete closed loop system in low-power measurement and communication applications.

The expanded DMA, with triggers from all peripherals, accelerates microcontroller unit (MCU)-based signal processing by providing configurable data transfer without CPU interaction. DMA transfer trigger sources can be completely transparent to the CPU, allowing precise transfer control between memory and internal and external hardware. The DMA also eliminates data transfer delays and overhead.

The MSP430F161x family features a standby current consumption of 1.9?A with a real-time-clock function active. For high-performance applications, an integrated digitally controlled oscillator or external high-speed crystal can be used to clock the system at 280?A/MIPs. Fast instruction execution, coupled with the MSP4304s CPU start-up from standby of <6?s, results in total power consumption up to 10 times lower than competitive devices.

The MSP430F161x devices are fully compatible with the MSP-FET430P140 toolkit, which includes a JTAG interface target board, Flash devices, and a complete integrated development environment including a debugger, assembler/linker and limited C-compiler. The FET supports real-time, in-system development, accessing the Flash device4s embedded emulation capability.

The devices are offered in a 64-pin QFP.





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