HT48E50

Features:

· Operating voltage:
    f_SYS=4MHz: 2.2V~5.5V
    f_SYS=8MHz: 3.3V~5.5V
· Low voltage reset function
· 33 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
· On-chip crystal and RC oscillator
· Watchdog Timer
· 4096x15 program memory ROM (MTP)
· 256x8 data memory EEPROM
· 160x8 data memory RAM
· HALT function and wake-up feature reduce power consumption
· 6-level subroutine nesting
· Up to 0.5's instruction cycle with 8MHz system clock at V_DD=5V
· Bit manipulation instruction
· 15-bit table read instruction
· 63 powerful instructions
· 10⁶ erase/write cycles EEPROM data memory
· EEPROM data retention > 10 years
· All instructions in one or two machine cycles
· In system programming (ISP)
· 28-pin SKDIP/SOP, 48-pin SSOP package


Pinout




Specifications

Supply 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.

Description

The HT48E50 is an 8-bit high performance, RISC architecture microcontroller device specifically designed for multiple I/O control product applications.

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 HT48E50 to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc.