A solar heating system can provide an additional source of water heating to supplement a central heating system. The solar control unit's function is to optimize the transfer of solar heated hot water, monitoring of the temperature of the water system, and control the associated valves and pumps. The required functions and performance capabilities vary depending on the scale of the system.
Renesas' comprehensive lineup of low-end 8-bit to high-end 32-bit microcontrollers provides solutions to meet your application needs.
System Block Diagram
|System control||MCU||78K0/Kx2||8-bit AllFlash microcontroller: wealth of on-chip peripheral functions such as a reset circuit and on-chip oscillator; low power consumption, 30 to 80 pins|
|78K0R/Kx3, Kx3-L||16-bit AllFlash microcontroller: wealth of on-chip peripheral functions such as a reset circuit and on-chip oscillator; efficient CPU core, 44 to 144 pins|
|78K0S/Kx1+||8-bit AllFlash microcontroller: wealth of on-chip peripheral functions such as a reset circuit and on-chip oscillator, 10 to 30 pins|
|M16C/63 Group, |
|Timer, 5 V operation, 16-bit CPU|
|R8C Family||Timer, 5 V operation, and small package|
|SuperH RISC engine Family||CPU cores for a wide range of applications and functions and have many products available, various peripheral functions|
|V850ES/Hx3||32-bit AllFlash microcontrollers, 3.5 to 5.5 V operating voltage, a variety of on-chip peripheral functions, 64 to 144 pins|
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