Datasheet Summary
HT48R063B/064B/065B/066B Enhanced I/O Type 8-Bit OTP MCU
Note that the HT48R063B/064B/066B device, although mentioned in this datasheet, has already been phased out and is presently no longer available.
Features
CPU Features
- Operating voltage: fSYS= 4MHz: 2.2V~5.5V fSYS= 8MHz: 3.0V~5.5V fSYS= 12MHz: 4.5V~5.5V
- Up to 0.33ms instruction cycle with 12MHz system clock at VDD= 5V
- Oscillator types: External high freuency Crystal -- HXT External RC -- ERC Internal high frequency RC -- HIRC External low frequency crystal -- LXT
- Three operational modes: Normal, Slow, Sleep
- Fully integrated internal 4MHz, 8MHz and 12MHz os- cillator requires no external ponents
- Watchdog Timer function
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