HT45F12
8-Bit Flash MCU with Op Amps & Comparators
Features
CPU Features
• Operating voltage:
♦♦ fSYS = 910kHz: 2.2V~5.5V
♦♦ fSYS = 2MHz: 2.2V~5.5V
♦♦ fSYS = 4MHz: 2.2V~5.5V
♦♦ fSYS = 8MHz: 3.3V~5.5V
♦♦ fSYS = 12MHz: 4.5V~5.5V
• Tiny Power technology for low power operation
• Power down and wake-up functions to reduce power consumption
• Oscillator types:
♦♦ External Crystal – HXT
♦♦ External RC – ERC
♦♦ Internal RC – HIRC
♦♦ Internal 32kHz RC – LIRC
• Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
• Fully integrated internal 32kHz, 910kHz, 2MHz, 4MHz and 8MHz oscillator requires no external
components
• All instructions executed in one or two instruction cycles
• Table read instructions
• 63 powerful instructions
• 4-level subroutine nesting
• Bit manipulation instruction
Peripheral Features
♦♦ Flash Program Memory:1K×15
♦♦ RAM data memory:64×8
♦♦ EEPROM Memory:32×8
♦♦ Watchdog Timer function
♦♦ Up to 18 bidirectional I/O lines
♦♦ Multiple pin-shared external interrupts
♦♦ Single 8-bit programmable Timer/Event Counter with overflow interrupt
♦♦ Dual Time-Base functions
♦♦ Dual Comparator functions
♦♦ Dual Operational Amplifiers functions
♦♦ PFD/Buzzer for audio frequency generation
♦♦ Internal 2.4V/3.3V LDO
♦♦ Low voltage reset function
♦♦ Package: 16-pin NSOP, 20-pin SSOP
Rev. 1.20
6
February 27, 2013