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UPD1961 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UPD1961NEC2000Yes

UPD1961** is a microcontroller manufactured by **NEC Electronics** (now part of Renesas Electronics).

The UPD1961 is a microcontroller manufactured by NEC Electronics (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

Manufacturer:

  • NEC Electronics (now part of Renesas Electronics)

Specifications:

  • Architecture: 8-bit microcontroller
  • CPU Core: NEC 78K0 series (78K/0 architecture)
  • Clock Speed: Up to 10 MHz
  • Program Memory (ROM): 16 KB (Mask ROM)
  • RAM: 512 bytes
  • I/O Ports: Multiple general-purpose I/O pins
  • Timers:
  • 16-bit timer/counter
  • Watchdog timer
  • Serial Communication:
  • UART (Serial Interface)
  • ADC (Analog-to-Digital Converter):
  • 8-bit ADC with multiple input channels
  • Operating Voltage: 2.7V to 5.5V
  • Package Type: DIP (Dual In-line Package), SOP (Small Outline Package)

Descriptions & Features:

  • Designed for embedded control applications.
  • Low-power consumption suitable for battery-operated devices.
  • On-chip oscillator for reduced external components.
  • Supports interrupt handling for real-time applications.
  • Used in consumer electronics, industrial control, and automotive applications.
  • Mask ROM variant (UPD1961) does not support reprogramming.

This microcontroller is now considered obsolete, but it was widely used in older embedded systems. For modern replacements, Renesas offers upgraded 78K0 series microcontrollers.

Would you like additional details on pin configurations or application notes?

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