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Densan DVE-R3900-20A (9328)
Densan DVE-R3900-20A (9328)
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Yaskawa JZNC-XPP02B
Yaskawa JZNC-XPP02B

Densan DVE-SH7032

Product Name​
Densan DVE-SH7032 Embedded Controller Board with Renesas SH7032 Microcontroller
Product Overview​
Densan DVE-SH7032 is an embedded industrial controller board centered on the Renesas SH7032 32-bit RISC microcontroller. The SH7032 is a ROMless SuperH-class device with on-chip RAM and integrated peripheral controllers. Board-level I/O assignment should be confirmed from the Densan manual; the microcontroller parameters below are defined by the Renesas SH7032 datasheet.
Category:
Description
Technical Specifications​
Microcontroller: Renesas SH7032, 32-bit internal RISC architecture, 16-bit external data bus, 22-bit address bus. Clock: up to 20 MHz at 5 V. Memory: 8 KB on-chip RAM, ROMless; external ROM, flash, SRAM, or DRAM supported through the bus controller. I/O lines: 40 configurable I/O lines plus 8 input-only lines. Package: 112-pin QFP. Supply: 4.5 V to 5.5 V, nominal 5 V.
Peripheral Functions​
Ten-bit 8-channel A/D converter. Five-channel 16-bit integrated timer unit with PWM and input-capture capability. Two serial communication interfaces with asynchronous and synchronous modes. Four-channel DMA controller. Interrupt controller with nine external interrupt pins, thirty-one internal sources, and sixteen priority levels. Bus state controller for external memory and DRAM refresh. Watchdog timer and user break controller.
Functional Features​
The board provides real-time control, analog data acquisition, serial communication, timer-based actuation, and external memory expansion for embedded industrial applications.
Application Scenarios​
Use in factory automation controllers, embedded instrumentation, motor and timer control subsystems, legacy Densan control replacements, and custom industrial microprocessor platforms requiring SuperH processing.
Performance Parameters​
Maximum CPU clock is 20 MHz at 5 V. A/D conversion uses 10-bit resolution across eight channels. Timers support PWM output, waveform generation, and capture measurement. Serial interfaces support full-duplex communication under programmed baud-rate settings.
Material Composition​
The board uses an FR-4 embedded PCB, 112-pin plastic QFP microcontroller, external memory devices, analog input conditioning components, serial transceivers, and tin- or gold-plated connectors.
Structural Characteristics​
The layout includes the SH7032 QFP device, external memory sockets or devices, analog input connectors, serial ports, timer and PWM output terminals, and a system bus or backplane interface according to the Densan mechanical design.
Working Principle​
The SH7032 fetches instructions from external or onboard program memory, executes RISC control code, acquires analog signals through the 10-bit A/D converter, manages timing and PWM through the timer unit, exchanges data through the serial interfaces, and coordinates external transfers using the DMAC and bus state controller.
Installation Requirements​
Provide a stable 5 V supply within 4.5 V to 5.5 V. Connect the board to the approved carrier, backplane, or wiring interface. Verify external memory configuration and interrupt assignments before software launch. Ensure clock source and reset circuit are correctly set.
Usage Precautions​
Handle the 112-pin QFP with anti-static precautions. Do not exceed 5.5 V supply or absolute maximum ratings. Avoid undefined external memory timing that can cause bus errors. Perform firmware validation after any configuration change.
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