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The TI MSP430F676x1 polyphase metering SoCs are powerful highly integrated solutions for revenue meters that offer accuracy and low system cost with few external components. The F676x1 uses the low-power MSP430? CPU with a 32-bit multiplier to perform all energy calculations, metering applications such as tariff rate management, and communications with AMR or AMI modules. The F676x1 features TI’s 24-bit sigma-delta converter technology, which provides better than 0.5% accuracy. Family members include up to 128KB of flash and 8KB of RAM and an LCD controller with support for up to 320 segments.
The ultra-low-power nature of the F676x1 means that the system power supply can be minimized to reduce overall cost. Lowest standby power means that backup energy storage can be minimized, and critical data retained longer in case of a mains power failure. The F676x1 family executes the TI energy measurement software library, which calculates all relevant energy and power results. The energy measurement software library is available with the F676x1 at no cost. Industry standard development tools and hardware platforms are available to speed development of meters that meet all of the ANSI and IEC standards globally.
For complete module descriptions, see the MSP430F5xx and MSP430F6xx Family User’s Guide.
Core Processor CPUXV2
Operating Temperature -40℃ ~ 85℃ (TA)
Program Memory Type FLASH
RAM Size 4K x 8
Number of I/O 52
Peripherals Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, 3x24b Sigma Delta Converter
Mounting Type Surface Mount
Oscillator Type Internal
Supplier Device Package 80-LQFP (12x12)
Package / Case 80-LQFP
Core Size 16-Bit
Connectivity I2C, IrDA, SPI, UART/USART
Program Memory Size 64KB (64K x 8)
Data Converters A/D 8x10b
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
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