HT45FH23A
HT45FH23A is Smoke Detector Flash MCU manufactured by Holtek Semiconductor.
Features
MCU CPU Features
- Operating voltage
- - f SYS= 32.768k Hz: 2.2V~5.5V
- - f SYS= 910k Hz: 2.2V~5.5V
- - f SYS= 2MHz: 2.2V~5.5V
- - f SYS= 4MHz: 2.2V~5.5V
- - f SYS= 8MHz: 3.3V~5.5V
- Tiny Power TM technology for low power operation
- Power down and wake-up functions to reduce power consumption
- Oscillator types
- - External Crystal
- HXT
- - External 32.768k Hz Crystal
- LXT
- - Internal RC
- HIRC
- - Internal 32k Hz RC
- LIRC
- - External Clock
- EC
- Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
- Fully integrated internal 910k Hz, 2MHz, 4MHz and 8MHz oscillator require no external ponents
- All instructions executed in one or two machine cycles
- Table read instructions
- 61 or 63 powerful instructions
- 6-level subroutine nesting
- Bit manipulation instruction
Rev. 1.00
November 14, 2017
HT45FH23A/HT45FH24A Smoke Detector Flash MCU with Power Line Transceiver
MCU Peripheral Features
- Flash Program Memory: 2K×15 ~ 4K×16
- RAM Data Memory: 128×8 ~ 192×8
- True EEPROM Data Memory: 64×8
- Up to 13 bidirectional I/O lines
- Watchdog Timer function
- Single pin-shared external interrupt
- Software controlled 4-S lines LCD driver with 1/2...
