Features: · Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
· 24 bidirectional I/O lines
·Two external interrupt input
·One 8-bit and one 16-bit programmable timer/event counter with PFD (programmable frequency divider) function
·LCD driver with 33X3 or 32X4 segments (logical output option for SEG0~SEG15)
·4KX15 program memory
·192X8 data memory RAM
·Supports PFD for sound generation
·Real Time Clock (RTC)
·8-bit prescaler for RTC
·Watchdog Timer
·Buzzer output
·On-chip crystal, RC and 32768Hz crystal oscillator
·HALT function and wake-up feature reduce power consumption
·8-level subroutine nesting
·8 channels 10-bit resolution A/D converter
·4-channel 8-bit PWM output shared with 4 I/O lines
·Bit manipulation instruction
·16-bit table read instruction
·Up to 0.5's instruction cycle with 8MHz system clock
·63 powerful instructions
·All instructions in 1 or 2 machine cycles
·Low voltage reset/detector function
·56-pin SSOP, 100-pin QFP packagePinout
SpecificationsSupply Voltage .........................VSS-0.3V to VSS+6.0V
Input Voltage........................... VSS-0.3V to VDD+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.DescriptionThe HT46R64/HT46C64 are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for A/D product applications that interface directly to analog signals and which require LCD Interface. The mask version HT46C64 is fully pin and functionally compatible with the OTP version device.
The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, HALT and wake-up functions, in addition to a flexible and configurable LCD interface enhance the versatility of these devices HT46R64 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.
HT46R64 Data Sheet
