HOLTEK
HT48R30A-1
8-Bit I/O Type OTP MCU
 Features

Operating voltage:

 2048x14 program memory ROM
---fSYS=4MHz: 3.3V~5.5V 96x8 data memory RAM
---fSYS=8MHz: 4.5V~5.5V Buzzer driving pair and PFD supported
Low voltage reset function HALT function and wake-up feature reduce
25 bidirectional I/O lines (max.) ---power consumption
8-bit programmable timer/event counter 4-level subroutine nesting
---with overflow interrupt and 8-stage Up to 0.5us instruction cycle with 8MHz
---prescaler ---system clock at VDD=5V
On-chip external crystal, RC oscillator Bit manipulation instruction
---and internal RC oscillator 14-bit table read instruction
Watchdog Timer 63 powerful instructions
24/28-pin SKDIP/SOP-A package All instructions in one or two machine cycles
 General Description
The device is an 8-bit high performance RISC-like microcontroller designed for multiple I/O
product applications. The device is particularly suitable for use in products such as remote
controllers, fan/light controllers, washing machine controllers, scales, toys and various
subsystem controllers. A HALT feature is included to reduce power consumption.