HT46R14

` Operating voltage:
f<sub>SYS</sub>=4MHz: 2.2V~5.5V
f<sub>SYS</sub>=8MHz: 3.3V~5.5V
` 20 bidirectional I/O lines
` Two interrupt input shared with an I/O line
` Two 8-bit programmable timer/event counter with overflow interrupt and 7-stage prescaler
` Two 8-bit programmable pulse generator (PPG) output channels, with prescaler and 8-bit programmable timer counter, and supports active low or active high output
` On-chip crystal and RC oscillator
` Watchdog Timer
` 4096*15 program memory
` 192*8 data memory RAM
` Supports PFD for sound generation
` HALT function and wake-up feature reduce power consumption
` Up to 0.5s instruction cycle with 8MHz system clock at V_DD=5V
` 8-level subroutine nesting
` 8 channels 9-bit resolution A/D converter
` Two comparators with interrupt function
` Bit manipulation instruction
` 15-bit table read instruction
` 63 powerful instructions
` All instructions in one or two machine cycles
` Low voltage reset function
` 28-pin SKDIP/SOP 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 device HT46R14 are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors.

The HT46R14 advantages of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, multi-channel A/D Converter, HALT and wake-up functions, enhance the versatility of these devices to suit a wide range of A/D application possibilities such as sensor signal processing, etc.

The device HT46R14 provides two comparators and programmable pulse generator (PPG). It is particularly suitable for use in products such as induction cooker and home appliances.