HT46F49E Datasheet | Holtek Semiconductor

Features - Operating voltage: f SYS=4MHz: 2.2V~5.5V f SYS=8MHz: 3.3V~5.5V f SYS=12MHz: 4.5V~5.5V - 13 to 23 bidirectional I/O lines - External interrupt input shared with an I/O line - 8-bit programmable Timer/Event Counter with over- flow interrupt and 7-stage prescaler - On-chip crystal and RC oscillator - Watchdog Timer function - PFD for audio frequency generation - Power down and wake-up functions to reduce power consumption - Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V - 4 or 6-level subroutine nesting - 4 channels 8 or 9-bit resolution A/D converter - 1 or 2 channel 8-bit PWM output shared with I/O lines - Bit manipulation instruction - Table read instructions - 63 powerful instructions - All instructions executed in one or two machine cycles - Low voltage reset function - Flash program memory can be re-programmed up to 10,000 times - True EEPROM data memory can be re-programmed up to 100,000 times - Flash program memory data retention > 10 years - True EEPROM data memory data retention > 10 years - ISP (In-System Programming) interface - Range of packaging types General Description The Cost-Effective A/D Flash Type MCU with true EEPROM Devices are a series of 8-bit high performance RISC architecture microcontrollers, designed especially for applications that interface directly to analog signals, such as those from sensors. All devices include an integrated multi-channel Analog to Digital Converter in addition to one or two Pulse Width Modulation outputs. The usual Holtek MCU features such as power down and wake-up functions, oscillator options, programmable frequency divider, etc. bine to ensure user applications require a minimum of external ponents. The benefits of integrated A/D and PWM functions, in addition to low power consumption, high performance, I/O flexibility and low-cost, provide these devices with the versatility to suit a wide range of application possibilities such as sensor signal processing, motor driving, industrial...