Holtek Semiconductor HT45R34
The HT45R34 is an 8-bit high performance, RISC architecture microcontroller device specifically designed for cost-effective multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, Power Down and wake-up functions, Watchdog Timer, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc. Each pin can be configured as a wake-up input via configuration options.| Part No. | HT45R34 |
|---|---|
| Datasheet | HT45R34 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | C/R to F Type 8-Bit OTP MCU |
| Buy | Stock & Price |
FEATURES
● Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V● 8 bidirectional I/O lines
● Two external interrupt inputs shared with I/O lines
● 8-bit programmable timer/event counter with
● Power Down and Wake-up function reduce power consumption
● Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V
● All instructions executed in one or two machine cycles
● 14-bit table read instruction
● Four-level subroutine nesting
● Bit manipulation instruction
● 63 powerful instructions
● Low voltage reset function
● 20-pin DIP/SOP packages overflow interrupt and 7-stage prescaler
● External RC oscillation converter
● On-chip crystal and RC oscillator
● Watchdog Timer
● Multi-pin capacitor/resistor sensor input
● 1024´14 program memory
● 88´8 data memory RAM 24-pin SKDIP/SOP packages
GENERAL DESCRIPTION
Rev. 1.20 1 October 15, 2007 HT45R34 Block Diagram P A 0 /IN T 0 P A 1 /IN T 1 In te rru p t C ir c u it IN T C S T A C K 0 P ro g ra m R O M P ro g ra m C o u n te r S T A C...
