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HT56R67 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

Part # HT56R67
Description  TinyPower A/D Type with LCD 8-Bit OTP MCU
Download  104 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT56R67 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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HT56R67/HT56R668/HT56R678
TinyPowerTM A/D Type with LCD 8-Bit OTP MCU
Rev. 1.10
1
September 14, 2009
General Description
These TinyPower
TM A/D Type with LCD 8-bit high perfor-
mance RISC architecture microcontrollers are specifi-
cally, designed for applications that interface directly to
analog signals and which require an LCD or LED inter-
face. The devices include an integrated multi-channel An-
alog to Digital Converter, Pulse Width Modulation outputs
and an LCD/LED driver.
With their fully integrated SPI and I
2C functions, design-
ers are provided with a means of easy communication
with external peripheral hardware. The benefits of inte-
grated A/D, LCD, and PWM functions, in addition to low
power consumption, high performance, I/O flexibility
and low-cost, provides the device with the versatility for
a wide range of products in the home appliance and in-
dustrial application areas. Some of these products
could include electronic metering, environmental moni-
toring, handheld instruments, electronically controlled
tools, motor driving in addition to many others.
The unique Holtek TinyPower technology also gives the
devices extremely low current consumption characteris-
tics, an extremely important consideration in the present
trend for low power battery powered applications. The
usual Holtek MCU features such as power down and
wake-up functions, oscillator options, programmable
frequency divider, etc. combine to ensure user applica-
tions require a minimum of external components.
Features
· Operating voltage:
fSYS=100kHz: 2.2V~5.5V
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.0V~5.5V
fSYS=12MHz: 4.5V~5.5V
· Operating current:
fSYS=1MHz at 3V, 170
mA, typ.
· OTP Program Memory: 16K´16 ~ 32K´16
· RAM Data Memory: 2304´8
· 24 to 32 bidirectional I/O lines
· TinyPower technology for low power operation
· Three pin-shared external interrupts lines
· Multiple programmable Timer/Event Counters
with overflow interrupt and 7-stage prescaler
· External Crystal, RC and 32768 XTAL oscillators
· Fully integrated RC 32kHz oscillator
· Externally supplied system clock option
· Watchdog Timer function
· PFD/Buzzer for audio frequency generation
· Dual Serial Interfaces: SPI and I2C
· LCD and LED driver function
· 4 operating modes: normal, slow, idle and sleep
· 8-channel 12-bit resolution A/D converter
· 4-channel 12-bit PWM outputs
· Low voltage reset function: 2.1V, 3.15V, 4.2V
· Low voltage detect function: 2.2V, 3.3V, 4.4V
· Bit manipulation instruction
· Table read instructions
· 63 powerful instructions
· Up to 0.33ms instruction cycle with 12MHz system
clock at VDD=5V
· Multiple level subroutine nesting
· All instructions executed in one or two machine
cycles
· Power down and wake-up functions to reduce power
consumption
· Wide range of available package types
Technical Document
· Application Note
- HA0075E MCU Reset and Oscillator Circuits Application Note


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