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HT46R23 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT46R23 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 42 page  HT46R23 8-Bit OTP Microcontroller I2C is a trademark of Philips Semiconductors. Rev. 1.30 1 August 17, 2001 General Description The device is an 8-bit high performance RISC-like microcontroller designed for multiple I/O product appli- cations. It is particularly suitable for use in products such as washing machine controllers and home appli- ances. A HALT feature is included to reduce power con- sumption. The program and option memories can be electrically programmed, making this microcontroller suitable for product development applications. Features · Operating voltage: fSYS=4MHz: 3.3V~5.5V fSYS=8MHz: 4.5V~5.5V · 23 bidirectional I/O lines (max.) · 1 interrupt input shared with an I/O line · 16-bit programmable timer/event counter with overflow interrupt and 7-stage prescaler · On-chip crystal and RC oscillator · Watchdog Timer · 4096´15 program memory PROM · 192´8 data memory RAM · Supports PFD for sound generation · HALT function and wake-up feature reduce power consumption · Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V · 8-level subroutine nesting · 8 channels 10-bit resolution (9-bit accuracy) A/D con- verter · 2-channel (6+2)/(7+1)-bit PWM output shared with two I/O lines · Bit manipulation instruction · 15-bit table read instruction · 63 powerful instructions · All instructions in one or two machine cycles · Low voltage reset function · I2C BUS (slave mode) · 24/28-pin SKDIP/SOP package |
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