描述 Description

The Kinetis K21 120 MHz MCU family targets cost-sensitive applications requiring low-power functionality.
Features hardware encryption and tamper detection
Includes a rich suite of analog, communication, timing and control peripherals to accommodate a wide range of requirements
Maximizes board space and enhances performance with minimum-length interconnections
Provides performance efficiency with industry-leading low power
Delivers significant BOM savings through smart on-chip integration
Shares the comprehensive enablement and scalability of the Kinetis portfolio
Please contact your local NXP representative to download the K21 Security Data sheet and Reference Manual documents (under NDA).

特性 Features

Ultra-Low-Power
? 10 low-power modes with power and clock gating for optimal peripheral activity and recovery times. Stop currents of <500 nA, run currents of <200 μA/MHz, 4 μs wake-up from Stop mode
? Full memory and analog operation down to 1.71 volts for extended battery life
? Low-leakage wake-up unit with up to eight internal modules and 16 pins as wake-up sources in low-leakage stop (LLS)/very low-leakage stop (VLLS) modes
? Low-power timer for continual system operation in reduced power state

應(yīng)用 Application

Networking
?Smart Metering Connectivity
Power & Energy
?Advanced Heat Meter
?Basic Heat Meter
Secure Transaction and Retail Payments
?Kiosk (No Image Recognition)
?Portable Electronic Point of Sale (ePOS) Terminals
?Stationary Electronic Point of Sale (ePOS) Terminals