Zilog Z51F3221 Manual de usuario descargar pdf (Pagina 12)

UM025801-1112 Z51F3221 Development Board Description

Z51F3221 Development Kit

User Manual

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USB-to-UART interface: U7

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USB interface providing power and communication to the Board

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Power supply level that can be adjusted with potentiometer R20

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Overcurrent protection circuit on the Board: U6 and D6

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External source of reference voltage (2.5 V) for the on-chip ADC: VR1

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MCU current consumption measurement resistor R5 with test points J6 and J7

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Buzzer: U4

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8-digit, 14-segment LCD panel

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Test points, headers and prototype area with two footprints

If a short on the Board should occur, or if its attached component(s) require more than

500 mA, the overcurrent protection functionality will trigger the red LED D6 to illuminate.

Figure 4. Z51F3221 Development Board: Highlighted Components

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Zilog Z51F3221 Manual de usuario Pagina 12