HT45R15B
1.1
Features
Operating voltage :
f
SYS
=4M Hz:2.2V~5.5V
f
SYS
=8M Hz:3.3V~5.5V
22 bidirectional I/O lines (max.)
One external interrupt input pin shared with an I/O line
Build-in de-bounce circuit for external interrupt
De-bounce time is selected by software options
Three 8-bit programmable timer/event counters
Timer 0 can be configured to count synchronism pulse number or measure synchronism pulse
high or low period
Timer 1 can be configured to implement PPG non-retrigger function
Watchdog Timer /Oscillator stop detection
4096 x 15 program memory ROM
208 x 8 data memory RAM
HALT function and wake-up feature reduce power consumption
Up to 0.5μs instruction cycle with 8MHz system clock at V
DD
=5V
8-level subroutine nesting
12 channels 12-bit resolution A/D converter
9-bit programmable pulse generator
Support pulse width limit
Two PPG preload registers
Support non-retrigger control
Support active high or low output (by configuration option)
4 comparators, 1 OPA (input voltage offset adjustable by software)
Support peripheral clock output, PWM output
I C Bus (Slave Mode)
Bit manipulation instruction
63 powerful instructions
All instructions in one or two machine cycles
Low voltage reset /low voltage detector function
Partial lock
24 -pin SKDIP/ 20-pin DIP/ 16-pin DIP, NSOP package
2
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permission of HOLTEK.
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
