Features: · Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
· Low voltage reset function
· 56 bidirectional I/O lines (max.)
1 interrupt input shared with an I/O line
· 2×16-bit programmable timer/event counter with overflow interrupt
· On-chip crystal and RC oscillator
· Watchdog Timer
· 100,000 erase/write cycles Flash program memory
· 819216 program memory ROM (Flash)
· 2568 data memory EEPROM
· 2248 data memory RAM
· HALT function and wake-up feature reduce power consumption
· 16-level subroutine nesting
· Up to 0.5s instruction cycle with 8MHz system clock at VDD=5V
· Bit manipulation instruction
· 16-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)
· 48-pin SSOP, 64-pin QFP packagePinout
SpecificationsSupply Voltage ..........................VSS-0.3V to VSS+6.0V
Storage Temperature ...........................-50 to 125
Input Voltage.............................VSS-0.3V to VDD+0.3V
Operating Temperature...........................-40 to 85
IOL Total ............................................................150mA
IOH Total...........................................................-100mA
Total Power Dissipation .....................................500mW
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 HT48F70E 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 HT48F70E to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc.
HT48F70E Data Sheet
