HT45F23A
HT45F23A is 8-Bit Flash MCU manufactured by Holtek Semiconductor.
Features
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
- External RC
- ERC
- Internal RC
- HIRC
- Internal 32k Hz RC
- LIRC
- External Clock
- EC
- Multi-mode operation: Normal, Slow, Idle and Sleep
- Fully integrated internal 32k Hz, 910k Hz, 2MHz, 4MHz and 8MHz oscillator requires no external ponents
- Externally supplied system clock option
- All instructions executed in one or two machine cycles
- Table read instructions
- 61 or 63 powerful instructions
- 6-level subroutine nesting
- Bit manipulation instruction
Peripheral Features
- Flash Program Memory: 2K×15~4K×16
- RAM Data Memory: 128×8~192×8
- True EEPROM Memory: 64×8
- Up to 26 bidirectional I/O lines
- Watchdog Timer function
- Software controlled 4-S lines LCD driver with 1/2 bias
- Multiple pin-shared external interrupts
- Single 8-bit programmable Timer/Event Counter with overflow interrupt and Single 16-bit programmable Timer/Event Counter with overflow interrupt...
