HT68FB30 Datasheet, PDF (1/26 Pages) Holtek Semiconductor Inc – Enhanced I/O Flash Type 8-Bit MCU with EEPROM & USB Interface

HT68FB30/HT68FB40/HT68FB50/HT68FB60
Enhanced I/O Flash Type 8-Bit MCU
with EEPROM & USB Interface
Features
MCU Features
· Operating voltage:
f_SYS= 8MHz at 2.2V~5.5V
f_SYS= 12MHz at 2.7V~5.5V
f_SYS= 20MHz at 4.5V~5.5V
· Up to 0.2ms instruction cycle with 20MHz system
clock at V_DD=5V
· Power down and wake-up functions to reduce
power consumption
· Five oscillators
- External High Speed Xtal
- External 32.768kHz Xtal
- External RC
- Internal High Speed -- no ext. components
- Internal 32kHz -- no ext. components
· Multi-mode operation: NORMAL, SLOW, IDLE and
SLEEP
· Fully integrated internal 4MHz, 8MHz and 12MHz
oscillator requires no external components
· All instructions executed in one or two instruction
cycles
· Table read instructions
· 63 powerful instructions
· Up to 8 subroutine nesting levels
· Bit manipulation instruction
MCU Peripheral Features
· _{Flash Program Memory: 1K´14 ~ 12K´16}
· _{RAM Data Memory: 64´8 ~ 576´8}
· _{EEPROM Memory: 32´8 ~ 256´8}
· Watchdog Timer function
· Up to 39 bidirectional I/O lines
· Software controlled 4-SCOM lines LCD driver with
1/2 bias
· Multiple pin-shared external interrupts
· Multiple Timer Module for time measure, input
capture, compare match output, PWM output or
single pulse output functions
· Serial Interface Module -- SIM for SPI or I²C
· Dual Comparator functions
· Dual Time-Base functions for generation of fixed
time interrupt signal
· Low voltage reset function
· Low voltage detect function
SPI to USB chip Features
· Fully compliant with USB 2.0 Full-Speed
specification
· 6 endpoints (including endpoint 0)
· FIFO: 8, 8, 8, 64, 8, 64 for endpoint 0 ~ endpoint 5
respectively
· Suspend Mode and Remote Wake-up function
· Multiple USB interrupt generation sources: endpoint
access, suspend, resume and reset signals
· _{CMOS clock input with frequency of 6MHz/12MHz}
for the USB PLL clock
Rev. 1.10
1
June 4, 2010