Features; Cpu Feat�Res - Holtek HT68F Series Manual

Features

CPU Features
• Operating Voltage:
f =8MHz: 2.2V~5.5V
♦
SYS
f =12MHz: 2.7V~5.5V
♦
SYS
f =20MHz: 4.5V~5.5V
♦
SYS
• Up to 0.2μs instruction cycle with 20MHz system clock at V
• Power down and wake-up functions to reduce power consumption
• Five oscillators:
External Crystal -- HXT
♦
External 32.768kHz Crystal -- LXT
♦
External RC -- ERC
♦
Internal RC -- HIRC
♦
Internal 32kHz RC -- LIRC
♦
• Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
• Fully integrated internal 4MHz, 8MHz and 12MHz oscillator requires no external components
• All instructions executed in one or two instruction cycles
• Table read instructions
• 63 powerful instructions
• Up to 12-level subroutine nesting
• Bit manipulation instruction
Rev. 2.10
HT68F20/HT68F30/HT68F40/HT68F50/HT68F60
HT68FU30/HT68FU40/HT68FU50/HT68FU60
Enhanced I/O Flash Type 8-Bit MCU with EEPROM
8
=5V
DD
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