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  Holtek Semiconductor Electronic Components Datasheet  

HT46CU66 Datasheet

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HT46RU66/HT46CU66
A/D with LCD Type 8-Bit MCU
Technical Document
· Tools Information
· FAQs
· Application Note
- HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM
- HA0004E HT48 & HT46 MCU UART Software Implementation Method
- HA0005E Controlling the I2C bus with the HT48 & HT46 MCU Series
- HA0047E An PWM application example using the HT46 series of MCUs
Features
· Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
· 32 bidirectional I/O lines
· Two external interrupt inputs
· Two 16-bit programmable timer/event counters with
Programmable Frequency Divider, PFD, function
· One 8-bit programmable timer/event counter with
source clock prescaler
· 47´3 or 46´4 segment LCD driver with logic
output option for SEG0~SEG23)
· 16K´16 program memory
· 576´8 data memory RAM
· Universal Asynchronous Receiver Transmitter
(UART)
· PFD function for sound generation
· Real Time Clock - RTC
· 8-bit RTC prescaler
· Watchdog Timer
· Buzzer output function
· Crystal, RC and 32768Hz crystal system oscillator
option
· Power down and wake-up functions reduce power
consumption
· 16-level subroutine nesting
· 8-channel 12-bit resolution A/D converter
· 4-channel PWM output shared with 4 I/O lines
· Bit manipulation instruction
· 16-bit table read instruction
· Up to 0.5ms instruction cycle with 8MHz system clock
· 63 powerful instructions
· Instruction execution within 1 or 2 machine cycles
· Low voltage reset/detector function
· 52-pin QFP, 56-pin SSOP, 100-pin QFP packages
General Description
The HT46RU66/HT46CU66 are 8-bit, high perfor-
mance, RISC architecture microcontroller devices spe-
cifically designed for A/D product applications that
interface directly to analog signals and which require an
LCD Interface. The HT46CU66 mask version device, is
fully pin and functionally compatible with its sister
HT46RU66 OTP device.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, multi-channel A/D
Converter, Pulse Width Modulation function, Power
Down and Wake-up functions, in addition to a flexible
and configurable LCD interface enhance the versatility
of these devices to control a wide range of applications
requiring analog signal processing and LCD interfacing,
such as electronic metering, environmental monitoring,
handheld measurement tools, motor driving, etc. for
both the industrial and home appliance application ar-
eas.
The HT46CU66 is under development and will be avail-
able soon.
Rev. 1.00
1 July 10, 2006


  Holtek Semiconductor Electronic Components Datasheet  

HT46CU66 Datasheet

A/D

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HT46CU66 pdf
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Block Diagram
HT46RU66/HT46CU66
P ro g ra m
EPRO M
P ro g ra m
C o u n te r
STAC K
In te rru p t
C ir c u it
IN T C
In s tr u c tio n
R e g is te r
MP
M
U
D ATA
M e m o ry
X
In s tr u c tio n
D ecoder
T im in g
G e n e r a tio n
O SC2
O SC4
O SC1
RES
VDD
VSS
O SC3
M UX
A LU
S h ifte r
STATU S
BP
ACC
LC D
M e m o ry
L C D D r iv e r
C O M 0~
COM 2
C O M 3/
S E G 46
S E G 0~
S E G 45
E N /D IS H A L T
L V D /L V R
TM R 2C
TM R 2
M
P r e s c a le r
fS Y S
U
X TM R 2
TM R 0C
TM R 0
PFD 0
TM R 1C
TM R 1
PFD 1
M
U
X
M
U
X
P r e s c a le r
P D 6 /T M R 0
P D 7 /T M R 1
fS Y S /4
32768H z
fS Y S
R TC
W DT
T im e B a s e
fS Y S /4
M
U R TC O SC
X
W DT O SC
O SC3
O SC4
PW M
P D C P o rt D
PD
P D 0 /P W M 0 ~ P D 3 /P W M 3
P D 4 /IN T 0
P D 5 /IN T 1
P D 6 /T M R 0
P D 7 /T M R 1
UART
PCC
PC
P o rt C
P C 0 /T M R 2
P C 1~P C 5
P C 6 /T X
P C 7 /R X
8 -C h a n n e l
A /D C o n v e rte r
P B C P o rt B
PB
P A C P o rt A
PA
P B 0 /A N 0 ~ P B 7 /A N 7
P A 0 /B Z
P A 1 /B Z
PA2
P A 3 /P F D
P A 4~P A 7
Rev. 1.00
2 July 10, 2006


Part Number HT46CU66
Description A/D
Maker Holtek Semiconductor
Total Page 30 Pages
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