Holtek Semiconductor HT48R502
The HT48R502 is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, Watchdog Timer, buzzer driver, as well as low cost, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc.| Part No. | HT48R502 |
|---|---|
| Datasheet | HT48R502 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | I/O Type 8-Bit OTP MCU |
| Buy | Stock & Price |
FEATURES
● Operating voltage:● 224´8 data memory RAM
● Buzzer driving pair and PFD supported
● HALT function and wake-up feature reduce power fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
● Low voltage reset function
● 56 bidirectional I/O lines (max.)
● 1 interrupt input
● 2´16-bit programmable timer/event counter and consumption
● 16-level subroutine nesting
● Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V
● Bit manipulation instruction
● 15-bit table read instruction
● 63 powerful instructions
● All instructions in one or two machine cycles
● 48-pin SSOP, 64-pin QFP package overflow interrupts
● On-chip RC oscillator, external crystal and RC oscil- lator
● 32768Hz crystal oscillator for timing purposes only
● Watchdog Timer
● 4096´15 program memory ROM
GENERAL DESCRIPTION
Rev. 1.00 1 September 27, 2006 HT48R502 Block Diagram T M R 1 C IN T T M R 1 L T M R 1 H M U X M U X fS T M R 1 Y S /4 In te rru p t C ir c u it S T A C K P ro g ra m R O M P ro g ra m C o u n te r IN...
