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HT46R02M Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT46R02M Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 69 page  HT46R01M/HT46R02M HT48R01M/HT48R02M 1.5V Battery 8-Bit OTP MCU Rev. 1.00 1 December 18, 2009 General Description The 1.5V Battery MCUs are a series of 8-bit high perfor- mance, RISC architecture microcontrollers specifically designed for a wide range of applications. The usual Holtek microcontroller features of a 3V DC/DC con- verter low power consumption, I/O flexibility, timer func- tions, oscillator options, power down and wake-up functions, watchdog timer and low voltage reset, com- bine to provide devices with a huge range of functional options while still maintaining a high level of cost effec- tiveness. The fully integrated 3V DC/DC converter, which transforms 1.5V to 3V, provides the MCUs a sta- ble 3V power supply, opens up a huge range of new 1.5V application possibilities for these devices, some of which may include, consumer products, household ap- pliances subsystem controllers, etc. Features CPU Features · Operating voltage: 3.0V (Typ.) · Sleep mode and wake-up functions to reduce power consumption · Oscillator types: External high freuency Crystal -- HXT External RC -- ERC Internal RC -- HIRC External low frequency crystal -- LXT · Three operational modes: Normal, Slow, Sleep · Fully integrated internal 4MHz and 8MHz oscillator requires no external components · OTP Program Memory: 1K´15~2K´15 · RAM Data Memory: 96´8 · Watchdog Timer function · LIRC oscillator function for watchdog timer · All instructions executed in one or two instruction cycles · Table read instructions · 63 powerful instructions · 6-level subroutine nesting · Bit manipulation instruction · Low voltage reset function · 16-pin NSOP package Peripheral Features · 10 bidirectional I/O lines · 4 channel 12-bit ADC · 1 channel 8-bit PWM · External interrupt input shared with an I/O line · Two 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler · Time-Base function · Programmable Frequency Divider - PFD · Embedded 3V DC/DC Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note |
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