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  Holtek Semiconductor Electronic Components Datasheet  

HT46R65 Datasheet

A/D with LCD Type 8-Bit MCU

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HT46R65 pdf
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HT46R65/HT46C65
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
· 24 bidirectional I/O lines
· Two external interrupt input
· Two 16-bit programmable timer/event counter with
PFD (programmable frequency divider) function
· LCD driver with 41´3 or 40´4 segments
(logical output option for SEG0~SEG23)
· 8K´16 program memory
· 384´8 data memory RAM
· Supports PFD for sound generation
· Real Time Clock (RTC)
· 8-bit prescaler for RTC
· Watchdog Timer
· Buzzer output
· On-chip crystal, RC and 32768Hz crystal oscillator
· HALT function and wake-up feature reduce power
consumption
· 16-level subroutine nesting
· 8 channels 10-bit resolution A/D converter
· 4-channel 8-bit 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
· All instructions in 1 or 2 machine cycles
· Low voltage reset/detector function
· 52-pin QFP, 56-pin SSOP, 100-pin QFP packages
General Description
The HT46R65/HT46C65 are 8-bit, high performance,
RISC architecture microcontroller devices specifically
designed for A/D product applications that interface di-
rectly to analog signals and which require LCD Inter-
face. The mask version HT46C65 is fully pin and
functionally compatible with the OTP version HT46R65
device.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, multi-channel A/D
Converter, Pulse Width Modulation function, HALT 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 re-
quiring analog signal processing and LCD interfacing,
such as electronic metering, environmental monitoring,
handheld measurement tools, motor driving, etc., for
both industrial and home appliance application areas.
Rev. 1.80
1 July 14, 2005


  Holtek Semiconductor Electronic Components Datasheet  

HT46R65 Datasheet

A/D with LCD Type 8-Bit MCU

No Preview Available !

HT46R65 pdf
Block Diagram
HT46R65/HT46C65
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
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
In s tr u c tio n
R e g is te r
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
MP
M
U
D ATA
M e m o ry
X
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
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
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
H A L T E N /D IS
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
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
C O M 0~
COM 2
C O M 3/
S E G 40
S E G 0~
S E G 39
L V D /L V R
Rev. 1.80
2 July 14, 2005


Part Number HT46R65
Description A/D with LCD Type 8-Bit MCU
Maker Holtek Semiconductor
Total Page 30 Pages
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