HT48R063B Datasheet | Holtek Semiconductor

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 - LIRC oscillator function for watchdog timer - All instructions executed in one or two instruction cycles - Table read instructions - 63 powerful instructions - Up to 4-level subroutine nesting - Bit manipulation instruction - Low voltage reset function - Wide range of available package types Peripheral Features - Up to 26 bidirectional I/O lines - Software controlled 4-S lines LCD driver with 1/2 bias - External interrupt input shared with an I/O line - Up to two 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler - Time-Base function - Programmable Frequency Divider - PFD General Description The Enhanced I/O MCUs are a series of 8-bit high performance, RISC architecture microcontrollers specifically designed for a wide range of applications. The usual Holtek microcontroller Features of low power consumption, I/O flexibility, timer functions, oscillator options, power down and wake-up functions, watchdog timer and low voltage reset, bine to provide devices with a huge range of functional options while still main- taining a high level of cost...