HT66FM5240 SSOP20

 CPU Features

Operating Voltage: fSYS=32kHz ~ 20MHz: 4.5V~5.5V
Up to 0.2us instruction cycle with 20MHz system clock at VDD=5V
Power down and wake-up functions to reduce power consumption
Oscillators
— Internal 20MHz – HIRC
— Internal 32kHz – LIRC
Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
All instructions executed in one or two instruction cycles
Table read instructions
63 powerful instructions
8-level subroutine nesting
Bit manipulation instruction

Peripheral Features

Flash Program Memory: 4Kx16
RAM Data Memory: 256×8
True EEPROM Memory: 64×8
Watchdog Timer function
Up to 26 bidirectional I/O lines
Five pin-shared external interrupts
Two 16-bit Periodic Timer Module – 16-bit PTM
Two 10-bit Periodic Timer Module – 10-bit PTM
Single 16-bit CAPTM for motor protect
3-channel 10-bit PWM with comlementary outputs for BLDC application
8-channel 12-bit resolution A/D converter
UART interface
Time-Base function for generation of fixed time interrupt signal
Single operational Amplifier for current detection
Four comparators function – Comparator 0 has interrupt function
Single 8-bit D/A Converter
I2C interface
Low voltage reset function
Low voltage detect function
Package types: 20/28-pin SSOP