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The HT49C30-1 and the HT49C30L are 8-bit high performance single chip microcontrollers. The HT49R30A-1 is the OTP version of the HT49C30-1. Its single cycle instruction and two-stage pipeline architecture make it suitable for high speed applications. The devices are also suitable for use in multiple LCD low power applications such as scales, leisure products, high-level household appliances, hand held LCD products and batteries operated systems in particular.
HT49R30A-1 Maximum Ratings
Supply Voltage..................................VSS-0.3V to 5.5V* Supply Voltage ...............................VSS-0.3V to 2.2V** 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.
HT49R30A-1 Features
` Operating voltage: 2.2V~5.5V for HT49R30A-1/HT49C30-1 1.2V~2.2V for HT49C30L ` 6 input lines ` 8 bidirectional I/O lines ` Two external interrupt input ` One 8-bit programmable timer/event counter with PFD (programmable frequency divider) function ` LCD driver with 19x2, 19x3 or 18x4 segments ` 2Kx14 program memory ROM ` 96x8 data memory RAM ` 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 ` 4-level subroutine nesting ` Bit manipulation instruction ` 14-bit table read instruction ` Up to 0.5s instruction cycle with 8MHz system clock for HT49R30A-1/HT49C30-1 ` Up to 8s instruction cycle with 500kHz system clock for HT49C30L ` 63 powerful instructions ` All instructions in 1 or 2 machine cycles ` Low voltage reset/detector for HT49R30A-1/HT49C30-1 ` 48-pin SSOP package
HT49R30A-1 Connection Diagram
HT49R50 General Description
The HT49R50 is an 8-bit high performance single chip microcontroller. Its single cycle instruction and two-stage pipeline architecture make it suitable for high speed applications. The device is suited for use in multipleLCDlow power applications among which are calculators, clock timers, games, scales, leisure products, other hand held LCD products, and battery system in particular.
HT49R50 Maximum Ratings
Supply Voltage.......................VSS-0.3V to 5.5V Input Voltage ................VSS-0.3V to VDD+0.3V Storage Temperature.............. .-50 to 125 Operating Temperature ..............-25 to 70
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.
HT49R50 Features
` Operating voltage: - 2MHz: 3.0V~5.2V - 2MHz~4MHz: 4.5V~5.5V ` 8 input lines ` 12 bidirectional I/O lines ` Two external interrupt input ` Two 8-bit programmable timer/event counter with PFD (programmable frequency divider) function ` LCD driver with 33x3 or 32x4 segments ` 4Kx15 program memory EPROM ` 160x8 data memory RAM ` Real Time Clock (RTC) ` 8-bit prescaler for RTC ` Watchdog timer ` Buzzer output ` On-chip crystal and RC oscillator ` Halt function and wake-up feature reduce power consumption ` 6-level subroutine nesting ` Bit manipulation instruction ` 15-bit table read instruction ` Up to 1s instruction cycle with 4MHz system clock ` 63 powerful instructions ` All instructions in 1 or 2 machine cycles ` 80/100-pin QFP package