Holtek Semiconductor HT45F3420
The series of devices are dedicated for use in battery power control. They are Flash Memory type 8-bit high performance RISC architecture microcontrollers.| Part No. | HT45F3420 |
|---|---|
| Datasheet | HT45F3420 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Personal Care Flash MCU |
| Buy | Stock & Price |
FEATURES
CPUFEATURES
● Operating Voltage: ♦♦ fSYS=8MHz: 2.2V~5.5V● Up to 0.5μs instruction cycle with 8MHz system clock at VDD=5V
● Power down and wake-up functions to reduce power consumption
● Two Internal Oscillators – require no external components ♦♦ 8MHz High Speed Oscillator - HIRC ♦♦ 32 kHz Low Speed Oscillator - LIRC;
● Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
● All instructions executed in one or two instruction cycles
● Table read instructions
● 63 powerful instructions
● 4-level subroutine nesting
● Bit manipulation instruction Peripheral
FEATURES
● Flash Program Memory: 1K×14~2K×15● RAM Data Memory: 64×8~128×8
● True EEPROM Memory: 32×8~64×8
● Watchdog Timer function
● Up to 22 bidirectional I/O lines
● Programmable I/O port source current for LED driving applications - only for HT45F3430
● Software controlled 4-SCOM LCD driver with 1/2 bias - only for HT45F3430
● Up to two pin-shared external interrupt
● Two pins with integrated voltage divider circuit
● Time...
