HT45F23/HT45F43
8-Bit Flash MCU with Op Amps & Comparators
Features
CPU Features
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Operating voltage:
fSYS= 32768Hz: 2.2V~5.5V
fSYS= 4MHz: 2.2V~5.5V
fSYS= 8MHz: 3.3V~5.5V
fSYS= 12MHz: 4.5V~5.5V
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Up to 0.33ms instruction cycle with 12MHz system clock at VDD= 5V
TinyPower technology for low power operation
Power down and wake-up functions to reduce power consumption
Oscillator types:
- External Crystal - HXT
- External 32.768kHz Crystal - LXT
- External RC - ERC
- Internal RC - HIRC
- Internal 32kHz RC - LIRC
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Multi-mode operation: Normal, Slow, Idle and Sleep
Fully integrated internal 32kHz, 910kHz, 2MHz, 4MHz and 8MHz oscillator requires no external
components
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Externally supplied system clock option
All instructions executed in one or two machine Cycles
Table read instructions
63 powerful instructions
6-level subroutine nesting
Bit manipulation instruction
Peripheral Features
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Flash Program Memory: 2K´15
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RAM Data Memory: 128´8
EEPROM Data Memory: 64´8
Watchdog Timer function
Up to 22 bidirectional I/O lines
Software controlled 4-SCOM lines LCD COM driver with 1/2 bias
Multiple pin-shared external interrupts
Single 8-bit programmable Timer/Event Counter with overflow interrupt and Single 16-bit
programmable Timer/Event Counter with overflow interrupt function
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Dual Time-Base functions
Serial Interfaces Module - SIM for SPI or I2C
Dual Comparator functions (HT45F23/HT45F43) with tiny power consumption (HT45F43 only)
Dual Operational Amplifiers functions (HT45F23/HT45F43) with tiny power consumption
(HT45F43 only)
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Operational Amplifier output to internal two channel 12-bit ADC function
Up to 6 channel 12-bit ADC
Up to 2 channel 8-bit PWM
Rev. 1.20
7
September 15, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
