Features: ` Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
` 20 bidirectional I/O lines (max.)
` Single interrupt input shared with an I/O line
` 8-bit programmable timer/event counter with overflow interrupt and 7-stage prescaler
` Integrated crystal and RC oscillator
` Watchdog Timer
` 2048X14 Program Memory capacity - HT46R32 4096X15 Program Memory capacity - HT46R34
` 88X8 Data Memory capacity - HT46R32 192X8 Data Memory capacity - HT46R34
` Integrated PFD function for sound generation
` Power-down and wake-up functions reduce power consumption
` Up to 0.5s instruction cycle with 8MHz system cloc at VDD=5V
` 6-level subroutine nesting
` 4 channel 12-bit resolution A/D converter
` Integrated single operational amplifier or comparator selectable via configuration option
` Dual 8-bit PWM outputs shared with I/O lines
` Bit manipulation instruction
` Full table read instruction
` 63 powerful instructions
` All instructions executed in one or two machine cycles
` Low voltage reset function
` 28-pin SKDIP/SOP/SSOP packagePinout
SpecificationsSupply Voltage ...........................VSS-0.3V to VSS+6.0V
Storage Temperature ............................-50 to 125
Input Voltage..............................VSS-0.3V to VDD+0.3V
Operating Temperature...........................-40 to 85
IOL Total ..............................................................150mA
IOH Total............................................................-100mA
Total Power Dissipation .....................................500mW
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.
DescriptionThe HT46R32 and HT46R34 are 8-bit, high performance, RISC architecture microcontroller devices. With their fully integrated A/D converter they are especially suitable for applications which interface to analog signals, such as those from sensors. The addition of an internal operational amplifier/comparator and PWM modulation functions further adds to the analog capability of these devices.
With the HT46R34 comprehensive features of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, multi-channel A/D Converter OP/Comparator, Pulse Width Modulation function, Power-down and wake-up functions etc, the application scope of these devices is broad and encompasses areas such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc.
HT46R34 Data Sheet
