HOLTEK
HT48C50-1
8-Bit I/O Type Mask MCU
 Features
Operating voltage:

 
---fSYS=4MHz: 2.2V~5.5V Watchdog Timer
---fSYS=8MHz: 4.5V~5.5V 4096x15 program memory ROM
Low voltage reset function 160x8 data memory RAM
35 bidirectional I/O lines (max.) Buzzer driving pair and PFD supported
1 interrupt input shared with an I/O line HALT function and wake-up feature reduce
8-bit programmable timer/event counter ---power consumption
---with overflow interrupt and 8-stage 6-level subroutine nesting
---prescaler Up to 0.5us instruction cycle with 8MHz
16-bit programmable timer/event counter ---system clock at VDD=5V
---and overflow interrupts Bit manipulation instruction
On-chip RC oscillator, external crystal 15-bit table read instruction
---and RC oscillator 63 powerful instructions
32768Hz crystal oscillator for timing All instructions in one or two machine cycles
---purposes only 28-pin SKDIP/SOP, 48-pin SSOP package
 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.