HT45R38 Datasheet, PDF (1/49 Pages) Holtek Semiconductor Inc – C/R to F Type 8-Bit OTP MCU

HT45R38
C/R to F Type 8-Bit OTP MCU
Technical Document
· Tools Information
· FAQs
· Application Note
Features
· Operating voltage:
f_SYS=4MHz: 2.2V~5.5V
f_SYS=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
overflow interrupt and 7-stage prescaler
· One 8-bit programmable timer/event counter with
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
· 12 capacitor/resistor sensor input
· 4096´15 program memory
· 192´8 data memory RAM
· Power Down and Wake-up function reduce power
consumption
· Up to 0.5ms instruction cycle with 8MHz system clock
at V_DD=5V
· All instructions executed in one or two machine cy-
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
The HT45R38 is an 8-bit high performance, RISC archi-
tecture microcontroller device specifically designed for
cost-effective multiple I/O control product applications.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, Power Down and
wake-up functions, Watchdog Timer, enhance the ver-
satility of these devices to suit a wide range of applica-
tion possibilities such as industrial control, consumer
products, subsystem controllers, etc.
Rev. 1.00
1
December 13, 2006