HT45F12
8-Bit Flash MCU with Op Amps & Comparators
Features
CPU Features
• Operating voltage:
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f
SYS
= 910kHz: 2.2V~5.5V
f
SYS
= 2MHz: 2.2V~5.5V
f
SYS
= 4MHz: 2.2V~5.5V
f
SYS
= 8MHz: 3.3V~5.5V
f
SYS
= 12MHz: 4.5V~5.5V
•
Tiny Power technology for low power operation
• Power down and wake-up functions to reduce power consumption
• Oscillator types:
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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
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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. 0.00
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HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
