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UPD784938 Datasheet (PDF) - NEC

UPD784938 Datasheet PDF - NEC
Part # UPD784938
Download  UPD784938 Download

File Size   3243.17 Kbytes
Page   733 Pages
Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC
Description 16-Bit Single-Chip Microcontrollers

UPD784938 Datasheet (PDF)

Go To PDF Page Download Datasheet
UPD784938 Datasheet PDF - NEC

Part # UPD784938
Download  UPD784938 Click to download

File Size   3243.17 Kbytes
Page   733 Pages
Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC
Description 16-Bit Single-Chip Microcontrollers

UPD784938 Datasheet (HTML) - NEC

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UPD784938 Product details

GENERAL
The µPD784938 Subseries consists of 78K/IV Series products that combine a 78K/IV Series CPU core enabling mounting large-capacity memory and a IEBusTM (Inter Equipment BusTM) controller. The 78K/IV Series consists of 16-bit single-chip microcontrollers, and comes with a high-performance CPU that has various functions including a function to access 1-Mbyte memory spaces.

Features
• 78K/IV Series
• High-speed instruction execution
   • Minimum instruction execution time: 320 ns (@ 6.29-MHz operation)
                                                                160 ns (@ 12.58-MHz operation)
• Instruction set suitable for control applications
• Data memory expansion function (1-Mbyte memory space: 2 bank specification pointers)
• Interrupt controller (4-level priority system)
   • Vectored interrupt service/macro service/context switching
• Standby functions: HALT/STOP/IDLE modes
• Internal memory: • ROM
                                 Mask ROM: 256 Kbytes (µPD784938)
                                                     192 Kbytes (µPD784937)
                                                     128 Kbytes (µPD784936)
                                                     96 Kbytes (µPD784935)
                                 Flash memory: 256 Kbytes (µPD78F4938)
                               • RAM: 10,240 bytes (µPD784938, 78F4938)
                                            8,192 bytes (µPD784937)
                                            6,656 bytes (µPD784936)
                                            5,120 bytes (µPD784935)
• I/O pins: 80
   • Software programmable pull-up: 70 inputs
   • Direct LED drive capability: 24 outputs
   • Direct transistor drive capability: 8 outputs
   • N-ch open-drain: 4 outputs
• Serial interface
   • UART/IOE (3-wire serial I/O): 2 channels (with on-chip baud rate generator)
   • CSI (3-wire serial I/O): 2 channels
• Real-time output ports (combination with timer/counter allows independent control of 2-system stepping motors)
• A/D converter (8-bit resolution × 8 channels)
• PWM outputs (12-bit resolution × 2 channels)
• On-chip simple model with IEBus controller
• Watch timer (operation with main clock possible in the IDLE mode)
• Power-saving regulator
• High-performance timer/counter
   • Timer/event counter (16 bits) × 3 units
   • Timer (16 bits) × 1 unit
• Watchdog timer: 1 channel
• Clock output function: fCLK, fCLK/2, fCLK/4, fCLK/8, fCLK/16 can be selected
• On-chip ROM correction function




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About NEC


NEC Corporation is a Japanese multinational information technology and electronics company. The company was founded in 1899 and is headquartered in Tokyo, Japan. NEC provides a wide range of products and services including information technology, telecommunications, and electronics. Its portfolio includes computer hardware, software, and services, network solutions, display solutions, and enterprise servers and storage solutions.

NEC is known for its expertise in the field of information technology and its ability to deliver innovative and high-quality products and services. The company has operations and facilities in various countries across the world and has a strong presence in the Asia-Pacific region. NEC works closely with its customers to provide customized solutions that meet their specific requirements and needs.

In addition to its core business, NEC is also active in the fields of research and development, and is involved in various projects related to advanced technologies such as artificial intelligence, 5G networks, and the Internet of Things (IoT). NEC is committed to delivering sustainable solutions that support the development of society and improve the quality of life for people around the world.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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