BH67F2142
Ultra-Low Voltage R to F LCD Flash MCU
General Information
The device is a Flash Memory type 8-bit high performance RISC architecture microcontroller specially designed for very low voltage especially one battery applications.
For memory features, the Flash Memory offers users the convenience of Flash Memory multi-programming features. Other memory includes an area of RAM Data Memory as well as an area of true EEPROM memory for storage of non-volatile data such as serial numbers, calibration data etc.
The advantages of low operating voltage, low power consumption, I/O flexibility, timer functions, oscillator options, R to F converter, LCD driver, Power down and wake-up functions, watchdog timer, as well as affordable feature, enhance the versatility of this device to suit for the one battery applications such as thermometer.
CPU Features
| Attribute | Value |
|---|---|
| Operating voltage | 1.1V~2.2V |
| Up to 31μs instruction cycle with 128kHz system clock | Available |
| Power down and wake-up functions to reduce power consumption | Available |
| Multi-mode operation | NORMAL, IDLE and SLEEP |
| Fully integrated 32/64/128kHz oscillators require no external components | Available |
| All instructions executed in 1~2 instruction cycles | Available |
| Table read instructions | Available |
| 61 powerful instructions | Available |
| 4-level subroutine nesting | Available |
| Bit manipulation instruction | Available |
Peripheral Features
| Attribute | Value |
|---|---|
| Flash Program Memory | 4K×16 |
| RAM Data Memory | 256×8 |
| True EEPROM Memory | 128×8 |
| Watchdog Timer function | Available |
| Up to 23 bidirectional I/O lines | Available |
| Two EL carrier output pins | Available |
| R to F converter | Available |
| 2 pin-shared external interrupts | Available |
| One Timer Module for time measurement, compare match output or PWM output function | Available |
| Dual Time Base functions for generation of fixed time interrupt signals | Available |
| LCD driver function |
|
| Low voltage detect function | Available |
| Package types | 32-pin QFN, 48-pin LQFP |
Resources
| Title | Date | File Size | Language | Download |
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