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HT48R068B Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
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HT48R068B Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
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6 / 121 page  HT48R068B/HT48R069B Enhanced I/O Type 8-bit OTP MCU P�elimina�� HT48R068B/HT48R069B Enhanced I/O Type 8-bit OTP MCU P�elimina�� Rev 1.00 iv �e���a�� 1�� �011 Rev 1.00 1 �e���a�� 1�� �011 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 0.33μs instruction cycle with 12MHz system clock at VDD= 5V ● Idle/Sleep mode and wake-up functions to reduce power consumption ● Oscillator types: External high frequency Crystal – HXT External RC – ERC Internal RC – HIRC External low frequency crystal – LXT ● Four operational modes: Normal, Slow, Idle, Sleep ● Fully integrated internal 4MHz, 8MHz and 12MHz oscillator requires no external components ● 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 8-level subroutine nesting ● Bit manipulation instruction ● Low voltage reset function ● Low voltage detect function ● Wide range of available package types Peripheral Features ● Up to 62 bidirectional I/O lines ● Up to 4 channel 8-bit PWM ● Single channel 12-bit DAC ● Serial Interfaces Module with Dual SPI and I2C interfaces ● Single Serial SPI Interface ● Software controlled 4-SCOM lines LCD COM driver with 1/2 bias ● External interrupt input shared with an I/O line ● Two 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler ● Single 16-bit programmable Timer/Event Counter with overflow interrupt ● Time-Base function ● Programmable Frequency Divider – PFD |
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