Features; Cpu Feat�Res; Peripheral Feat�Res; Watchdog Timer Operation - Holtek HT46R003B Manual

HT46R003B
Cost-Effective A/D 8-bit OTP MCU

Features

CPU Features
• Operating voltage: f
• Up to 0.5μs instruction cycle with 8MHz system clock at V
• Power down and wake-up functions to reduce power consumption
• Two oscillators
Internal high speed RC – HIRC
♦
Internal 12kHz RC – LIRC
♦
• Fully integrated internal 8MHz oscillator requires no external components
• All instructions executed in one or two instruction cycles
• Table read instruction
• 63 powerful instructions
• 4-level subroutine nesting
• Bit manipulation instruction
Peripheral Features
• Program Memory: 1K×14
• RAM Data Memory: 64×8
• Watchdog Timer function
• Up to 14 bidirectional I/O lines
• 5-channel 12-bit A/D Converter
• 1-channel 8-bit PWM
• External interrupt pin shared with I/O pin
• One 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler
• Time-Base function
• Low voltage reset function
• Programmable Frequency Divider – PFD
• Package types: 16-pin NSOP/DIP
Rev. 1.00
= 8MHz: 2.3V~5.5V
SYS
5
=5V
DD
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