Holtek Semiconductor HT45R38
The HT45R38 is an 8-bit high performance, RISC architecture microcontroller device specifically designed for cost-effective multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, Power Down and wake-up functions, Watchdog Timer, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc. Each pin can be configured as a wake-up input by configuration code options.FEATURES
● Operating voltage:● 12 capacitor/resistor sensor input
● 4096´15 program memory
● 192´8 data memory RAM
● Power Down and Wake-up function reduce power fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
● 29 bidirectional I/O lines
● Two external interrupt inputs shared with I/O lines
● Single 8-bit programmable timer/event counter with consumption
● Up to 0.5ms instruction cycle with 8MHz system clock overflow interrupt and 7-stage prescaler
● One 8-bit programmable timer/event counter with at VDD=5V
● All instructions executed in one or two machine cy- overflow interrupt
● 5 channels 12-bit resolution A/D converter
● 2-channels 8-bit PWM output shared with 2 I/O lines
● One OPA
● External RC oscillation converter
● On-chip crystal and RC oscillator
● Watchdog Timer cles
● 15-bit table read instruction
● Six-level subroutine nesting
● Bit manipulation instruction
● 63 powerful instructions
● Low voltage reset function
● 52-pin QFP package
GENERAL DESCRIPTION
Rev. 1.00 1 December 13,...