Holtek Semiconductor HT46R4A
The HT46R4A is a device from the Cost-Effective A/D Type Series of MCUs. The devices include an integrated multi-channel Analog to Digital Converter in addition to two Pulse Width Modulation outputs. The usual Holtek MCU features such as power down and wake-up functions, oscillator options, programmable frequency divider, etc.| Part No. | HT46R4A |
|---|---|
| Datasheet | HT46R4A Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Cost-Effective A/D Type 8-Bit MCU |
| Buy | Stock & Price |
FEATURES
● Operating voltage:● Up to 0.5ms instruction cycle with 8MHz system clock fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
● Max of 27 bidirectional I/O lines
● External interrupt input shared with I/O line
● Two 8-bit programmable Timer/Event Counters with at VDD=5V
● 6-level subroutine nesting
● 6 channel 9-bit resolution A/D converter
● Dual channel 8-bit PWM output shared with I/O lines
● Bit manipulation instruction
● Table read instructions
● 63 powerful instructions
● All instructions executed in one or two machine overflow interrupt
● Integrated crystal and RC oscillator
● Watchdog Timer
● 4096´15 program memory
● 192´8 data memory
● PFD for audio frequency generation
● Power down and wake-up functions to reduce power cycles
● Low voltage reset function
● 28-pin SKDIP/SOP, 32-pin DIP, 44-QFP package consumption
GENERAL DESCRIPTION
As an 8-bit high performance RISC architecture microcontroller, the device is designed especially for applications that interface directly to analog signals, such as those from sensors. combine to ensure user applications require a minimum of external components.
