Gas Meter
详情介绍
Overview
Renesas’ RL78/L1x Series and RL78/G1x Series of MCUs are famous in low power consumption. They also incorporate a highly reliable watchdog timer (WDT) and an on-chip oscillator circuits with minimal susceptibility to oscillation errors, in order to increase the fail-safe functionality of the MCU. These MCUs are suitable for the development of gas meters demanding stable operation with a high level of reliability.
System Block Diagram
Recommended Products
| Block | Semiconductor device | Recommended products | Features, etc. |
|---|---|---|---|
| Main controller | MCU | RL78/G1x | |
| RL78/L1x | 32 MHz, 16-bit, True low power, On-chip LCD controller/driver |
||
| Sensor | Analog front end | Smart Analog IC101 | 16-bit delta-sigma A/D converter + Built-in PGIA |
| Smart Analog IC300 | Low voltage configurable amplifier Configurable amplifier: 3 channels Operating voltage: 2.2 to 3.6 V (low-voltage product) |
||
| Smart Analog IC500 | Configurable amplifier Configurable amplifier: 3 channels Operating voltage: 3.0 to 5.5 V |
||
| I/O section | MOS FET | μPA26xx Series μPA28xx Series |
2×2mm package 3×3mm package |
| µPA263x | Low voltage (1.8 V) drive, HUSON2020 |
Related Application Notes/Sample Code
| Title | Document No. |
|---|---|
| Power MOS FET application note | REJ05G0001-0200 |