Features: · Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
· 13 bidirectional I/O lines (max.)
· 1 interrupt input shared with an I/O line
· 8-bit programmable timer/event counter with overflow interrupt and 7-stage prescaler
· On-chip crystal and RC oscillator
· Watchdog Timer
· 1024x14 program memory for HT46R46/HT46C46
· 2048x14 program memory for HT46R47/HT46C47
· 64x8 data memory RAM
· Supports PFD for sound generation
· HALT function and wake-up feature reduce power consumption
· Up to 0.5's instruction cycle with 8MHz system clock at VDD=5V
· 4-level subroutine nesting for HT46R46/HT46C46
· 6-level subroutine nesting for HT46R47/HT46C47
· 4 channels 8-bit resolution A/D converter for HT46R46/HT46C46
· 4 channels 9-bit resolution A/D converter for HT46R47/HT46C47
· 1 channel 8-bit PWM output shared with an I/O line
· Bit manipulation instruction
· 14-bit table read instruction
· 63 powerful instructions
· All instructions in one or two machine cycles
· Low voltage reset function
· 18-pin DIP/SOP 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 HT46R46/HT46C46 and HT46R47/HT46C47 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 mask version HT46C47 are fully pin and functionally compatible with the OTP version HT46R46, HT46R47 device.
The HT46C46 advantages of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, 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, motor driving, industrial control, consumer products, subsystem controllers, etc.
HT46C46 Data Sheet
