Status
This product is Not Recommended for New Designs. Some versions may be
No Longer Available or being discontinued and subject to Last Time
Buy, after which new orders can not be placed.
Description
The 71M6521BE is a highly integrated SoC with an MPU core, flash, and LCD driver. Teridian's Single Converter Technology® with a 22-bit, delta-sigma ADC; four analog inputs; digital temperature compensation; precision voltage reference; battery voltage monitor; and 32-bit computation engine (CE) supports a wide range of residential metering applications with very few low-cost external components. A 32kHz crystal time-base for the entire system further reduces system cost. The IC supports 2-wire single-phase residential metering along with tamper-detection mechanisms.
Maximum design flexibility is provided by multiple UARTs, I²C, MICROWIRE™, up to 14 DIO pins, and in-system programmable flash memory, which can be updated with data or application code in operation.
A complete array of ICE and development tools, programming libraries, and reference designs enable rapid development and certification of AMR and prepay meters that comply with worldwide electricity metering standards.
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