HT46R71D

· Operating voltage:
f_SYS=4MHz: 2.2V~5.5V
· 10 bidirectional I/O lines and two ADC input
· One external interrupt input shard with an I/O lines
· One 8-bit and one 16-bit programmable timer/event counter with overflow interrupt a 7-stage pre-scalar
· LCD driver with 103 segments
· 2K×14 program memory
· 32×8 data memory RAM
· Single differential input channel dual slope Analog to Digital Converter with Operational Amplifier.
· Watchdog Timer
· Buzzer output
· Internal 12kHz RC oscillator
· RC oscillator
· HALT function and wake-up feature reduce power consumption
· Voltage regulator (3.3V) and charge pump
· Embeded voltage reference generator (1.5V)
· 4-level subroutine nesting
· Bit manipulation instruction
· 14-bit table read instruction
· Up to 1s instruction cycle with 4MHz system clock
· 63 powerful instructions
· All instructions in 1 or 2 machine cycles
· Low voltage reset/detector function
· 48-pin SSOP package

Supply Voltage ...........................V_SS-0.3V to V_SS+6.0V
Input Voltage..............................V_SS-0.3V to V_DD+0.3V
Storage Temperature ............................-50 to 125
Operating Temperature...........................-40 to 85

Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

The HT46R71D is an 8-bit, high performance, RISC architecture microcontroller device specifically designed for A/D product applications that interface directly to analog signals and which require an LCD Interface.

The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, multi-channel A/D Converter, LCD display, HALT and wake-up functions, in addition to a flexible and configurable LCD interface enhance the versatility of these devices HT46R71D to control a wide range of applications requiring analog signal processing and LCD interfacing, such as electronic metering, environmental monitoring, handheld measurement tools, motor driving, etc., for both industrial and home appliance application areas.