HT46RU67/HT46CU67
A/D Type 8-Bit MCU with LCD
Technical Document
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Tools Information
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FAQs
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Application Note
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HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM
HA0004E HT48 & HT46 MCU UART Software Implementation Method
HA0005E Controlling the I2C bus with the HT48 & HT46 MCU Series
HA0047E An PWM application example using the HT46 series of MCUs
HA0075E MCU Reset and Oscillator Circuits Application Note
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Features
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Operating voltage:
Watchdog Timer
f
f
SYS=4MHz: 2.2V~5.5V
SYS=8MHz: 3.3V~5.5V
Buzzer output function
Crystal, RC and 32768Hz crystal system oscillator
option
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32 bidirectional I/O lines
Two external interrupt inputs
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Power down and wake-up functions reduce power
consumption
Dual 16-bit programmable timer/event counters with
Programmable Frequency Divider, PFD, function
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16-level subroutine nesting
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Single 8-bit programmable timer/event counter with
source clock prescaler
8-channel 12-bit resolution A/D converter
4-channel PWM outputs shared with 4 I/O lines
SIO - Synchronous serial I/O - function
Bit manipulation instruction
47´3 or 46´4 segment LCD driver with logic
output option for SEG0~SEG23)
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32K´16 program memory
768´8 data memory RAM
16-bit table read instruction
Up to 0.5ms instruction cycle with 8MHz system clock
63 powerful instructions
Universal Asynchronous Receiver Transmitter
-UART
Instruction execution within 1 or 2 machine cycles
Low voltage reset/detector function
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PFD function for sound generation
Real Time Clock - RTC
52-pin QFP, 56-pin SSOP packages
100-pin QFP packages
8-bit RTC prescaler
General Description
The HT46RU67/HT46CU67 are 8-bit, high perfor-
mance, RISC architecture microcontroller devices spe-
cifically designed for A/D product applications that
interface directly to analog signals and which require an
LCD Interface. The HT46CU67, mask version device, is
fully pin and functionally compatible with its sister
HT46RU67 OTP device.
Converter, Pulse Width Modulation function, UART, se-
rial I/O interface, Power Down and Wake-up functions,
in addition to a flexible and configurable LCD interface
enhance the versatility of these devices to control a
wide range of applications requiring analog signal pro-
cessing and LCD interfacing, such as electronic meter-
ing, environmental monitoring, handheld measurement
tools, motor driving, etc. for both the industrial and home
appliance application areas.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, multi-channel A/D
Rev. 1.10
1
May 27, 2010