Features
Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
fSYS=12MHz: 4.5V~5.5V
13 to 23 bidirectional I/O lines
External 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 function
PFD for audio frequency generation
Power down and wake-up functions to reduce power consumption
Up to 0.5us instruction cycle with 8MHz system clock at VDD=5V
4 or 6-level subroutine nesting
4 channels 8 or 9-bit resolution A/D converter
1 or 2 channel 8-bitPWMoutput shared with I/O lines
Bit manipulation instruction
Table read instructions
63 powerful instructions
All instructions executed in one or two machine cycles
Low voltage reset function
Flash program memory can be re-programmed up to 100,000 times in HT46F48E
EEPROM data memory can be re-programmed up to 1,000,000 times in HT46F48E
Flash program memory data retention > 10 years
EEPROM data memory data retention > 10 years
ICP (In-Circuit Programming) interface
Range of packaging types