Features: ` Operating voltage:
fSYS=4MHz: 3.3V~5.5V
fSYS=8MHz: 4.5V~5.5V
` Low voltage reset function
`35 bidirectional I/O lines (max.)
`1 interrupt input shared with an I/O line
`8-bit programmable timer/event counter with overflow interrupt and 8-stage prescaler
`16-bit programmable timer/event counter and overflow interrupts
`On-chip RC oscillator, external crystal and RC oscillator
`32768Hz crystal oscillator for timing purposes only
` Watchdog Timer
`4096x15 program memory ROM
`160x8 data memory RAM
`Buzzer driving pair and PFD supported
` HALT function and wake-up feature reduce power consumption
`6-level subroutine nesting
`Up to 0.5s instruction cycle with 8MHz system clock at VDD=5V
`Bit manipulation instruction
`15-bit table read instruction
`63 powerful instructions
`All instructions in one or two machine cycles
`28-pin SKDIP/SOP, 48-pin SSOP packagePinout
SpecificationsSupply Voltage ..............VSS-0.3V to VSS+5.5V
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 HT48R50A-1/HT48C50-1 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The mask version HT48C50-1 is fully pin and functionally compatible with the OTP version HT48R50A-1 device.
The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, watchdog timer, buzzer driver, as well as low cost, enhance the versatility of these devices HT48R50A-1 to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc.
This device HT48R50A-1 is an 8-bit high performance RISC-like microcontroller designed for multiple I/O product applications. It is particularly suitable for use in products such as remote controllers, fan/light controllers, washing machine controllers, scales, toys and various subsystem controllers. A HALT feature is included to reduce power consumption.
HT48R50A-1 Data Sheet
