In addition to the universal application, there are also special applications such as LED lighting, smart meters, flow measurements, pressure, or temperature sensing and medical equipment. Some of these devices need to work in outdoor or harsh environments, such as high temperature, humidity, and sunlight, very testing the stability of the product. Therefore, the stability is extremely important for the microcontroller of the product core device.
Renesa Electronics The RL78 / I1X series microcontroller is part of the RL78 microcontroller series with rich simulation integration and supports high temperature operation. RL78 / H1X is very suitable for special applications, and also applies to general applications in the mass market running in many harsh environments. The RL78 / H1X series is a rich real low-power microcontroller series integrated simulation and is suitable for health care applications.
RL78 / I1X / H1X product positioning
The RL78 / I1X and RL78 / H1X series microcontrollers are based on the Rissa Electronic RL78 CPU kernel. The RL78 / I1A series is a microcontroller with high resolution PWM output for precise dimming and LED lighting regulation. The RL78 / I1C series is a minimum power consumpant microcontroller dedicated to high-end smart meters; RL78 / I1D series applies to applications that require low power consumption and simulation integration, such as detectors and sensors; RL78 / I1E series is Configurable AFE, high-precision analog integrated microcontrollers; RL78 / H1D series is a sensor optimized microcontroller for medical devices and blood pressure monitoring. These product portfolios have low power, high temperature and high precision simulation integration, which is ideal for special application scenarios, which will be described below.
RL78 / I1A
The RL78 / I1A series microcontroller has a 64 MHz timer operation and an anti-shake function that implements a PWM output of a minimum of 0.98 NS resolution, supports precise dimming and coloring. The PFC control and protection functions can be implemented by hardware through the mating of the PWM timer and comparator / external interrupt input. The lowest current consumption during the LED and the power control is 3.3 mA, and the UART (DALI) standby is 0.23μA, which can reduce the power consumption of the system. It supports DALI / DMX512 Lighting Communication and Power Management Bus (PMBus), and system management bus (SMBUS) power communication. These microcontrollers can be used for LED lighting and digital power sources.
RL78 / I1C
The RL78 / I1C series microcontroller integrates high-precision intelligent metering function, such as 24-bit Delta-Sigma A / D operation, AES H / W integration, up to 256 kB flash, 32-bit Mac (Multiply and accumulation) function, RTC Provide a stand-alone power supply to enhance the battery pin (VBAT) function to achieve power off operation and hardware cross zero detection. The internal reference voltage of the high temperature coefficient increases stability. Its segment LCD driver supports 8-COM. Below is an internal block diagram of the RL78 / I1C series microcontroller.
The series microcontroller supports the Intelligent Meter International Standard (DLMS), and the current RL78 / I1B series microcontroller is used, for example, with industry-leading low-power and multi-piece peripheral function, which can be used to reduce the system. cost.
The RL78 / I1C series microcontroller provides seven versions, and on-chip storage capacity includes: 64KB (for low-end single-phase meter), 128 KB (for high-end single-phase meter) and 256 kb (used for three-phase meter); package The number of pins includes: 64 pin (meets space requirements), 80 pin (single-phase meter used in emerging countries, 100 pin (aimed to meet senior single-phase meter).
RL78 / I1D
The RL78 / I1D series microcontroller has enhanced simulation, such as operational amplifiers, 12-bit A / D converters, and window comparators. The MCU also supports very low power operations (124 UA @ 1 MHz) and high speed 4μs wake up. This series of microcontrollers can be used in human-machine interface, industrial equipment, health care and other applications.
RL78 / I1E
The RL78 / I1E series is an intelligent flexible analog microcontroller for industrial and medical sensing applications such as flow measurement, strain gauges, pressure or temperature sensing. With enhanced simulation, such as an amplifier with programmable gain, inverting, and non-reverse phase topology or OPAMPS, you can support a platform for different types of sensors. There is also a 24-bit Δ-σA / D and a separate 10-bit A / D module with a 12-bit D / A. The RL78 / I1E series microcontroller is small to 4 mm x 4 mm or 5 mm x 5 mm, thereby reducing the PCB footprint. The working temperature is as high as 125 ° C, making it the most ideal solution for harsh environments.
RL78 / H1D
The RL78 / H1D series microcontroller includes high-precision simulation, such as Delta-Sigma A / D converters, SAR A / D converters, programmable gain amplifiers, operational amplifiers, and 8-bit and 12-bit D / A converters. They also have a built-in LCD controller / drive that allows RL78 / H1D ideal for healthcare equipment, especially blood pressure gauges. Read more
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