Holtek Semiconductor HT45R22E
The device is an 8-bit high performance, RISC architecture microcontrollers specifically designed for operational amplifier applications. The usual Holtek microcontroller features of low power consumption, I/O flexibility, timer functions, oscillator options, internal comparator, internal operational amplifiers, power down and wake-up functions, watchdog timer and low voltage reset, combine to provide the device with a wide range of functional options while still maintaining a high level of cost effectiveness.| Part No. | HT45R22E |
|---|---|
| Datasheet | HT45R22E Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Remote Type 8-bit OTP MCU |
| Buy | Stock & Price |
FEATURES
CPUFEATURES
● Operating voltage:● Table read instructions
● 63 powerful instructions
● 4-level subroutine nesting
● Bit manipulation instruction
● Low voltage reset function
● 20/24-pin SOP package types fSYS= 4MHz: 2.2V~3.6V
● Program Memory: 4K´15
● Data Memory: 128´8
● Embedded 1024´8 EEPROM
● Up to 1ms instruction cycle with 4MHz system clock at VDD= 3V
● Idle/Sleep mode and wake-up functions to reduce Peripheral
FEATURES
● Up to 22 bidirectional I/O lines● Software controlled 4-SCOM lines LCD COM driver power consumption
● Oscillator types: with 1/2 bias
● External interrupt input shared with an I/O line
● Two 8-bit programmable Timer/Event Counter with External high freuency Crystal -- HXT External RC -- ERC Internal high frequency RC -- HIRC External low frequency crystal -- LXT Internal low frequency RC -- LIRC
● Four operational modes: Normal, Slow, Idle, Sleep
● Fully integrated internal 4095kHz oscillator requires overflow interrupt and prescaler
● Time-Base func...
