HT48R02N Holtek Semiconductor, HT48R02N Datasheet
HT48R02N
Manufacturer Part Number
HT48R02N
Description
(HT4xR0xx) Small Package 8-Bit OTP MCU
Manufacturer
Holtek Semiconductor
Datasheet
1.HT48R02N.pdf
(71 pages)
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Technical Document
Features
CPU Features
General Description
The Small Package MCUs are a series of 8-bit high per-
formance, RISC architecture microcontrollers specifi-
cally designed for a wide range of applications. The
usual Holtek microcontroller features of low power con-
sumption, I/O flexibility, timer functions, oscillator op-
tions, power down and wake-up functions, watchdog
timer and low voltage reset, combine to provide devices
with a huge range of functional options while still main-
Rev.1.00
Application Note
Operating voltage:
f
f
f
Up to 0.33 s instruction cycle with 12MHz system
clock at V
Sleep mode and wake-up functions to reduce
power consumption
Oscillator types:
External high freuency Crystal -- HXT
External RC -- ERC
Internal RC -- HIRC
External low frequency crystal -- LXT
Three operational modes: Normal, Slow, Sleep
Fully integrated internal 4MHz, 8MHz and 12MHz
oscillator requires no external components
OTP Program Memory: 1K 15 ~ 2K 15
RAM Data Memory: 96 8
Watchdog Timer function
SYS
SYS
SYS
HA0075E MCU Reset and Oscillator Circuits Application Note
= 4MHz: 2.2V~5.5V
= 8MHz: 3.0V~5.5V
= 12MHz: 4.5V~5.5V
DD
= 5V
Small Package 8-Bit OTP MCU
1
HT46R01B/02B/01N/02N
HT48R01B/02B/01N/02N
Peripheral Features
taining a high level of cost effectiveness. The fully inte-
grated system oscillator HIRC, which requires no
external components and which has three frequency
selections, opens up a huge range of new application
possibilities for these devices, some of which may in-
clude industrial control, consumer products, household
appliances subsystem controllers, etc.
LIRC oscillator function for watchdog timer
All instructions executed in one or two instruction
cycles
Table read instructions
63 powerful instructions
6-level subroutine nesting
Bit manipulation instruction
Low voltage reset function
10-pin MSOP, 16-pin NSOP package types
Up to 10 bidirectional I/O lines
4 channel 12-bit ADC
1 channel 8-bit PWM
External interrupt input shared with an I/O line
Two 8-bit programmable Timer/Event
Counter with overflow interrupt and prescaler
Time-Base function
Programmable Frequency Divider - PFD
December 15, 2009
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