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  Holtek Semiconductor Electronic Components Datasheet  

HT46RU25 Datasheet

A/D Type 8-Bit MCU

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HT46RU25 pdf
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HT46RU25/HT46CU25
A/D Type 8-Bit MCU
Technical Document
· Tools Information
· FAQs
· Application Note
- HA0004E HT48 & HT46 MCU UART Software Implementation Method
- HA0005E Controlling the I2C bus with the HT48 & HT46 MCU Series
- HA0013E HT48 & HT46 LCM Interface Design
- 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
· System clock (fSYS): 400kHz~8MHz, 32.768kHz
· 48 bidirectional I/O lines (max.)
· One interrupt input shared with an I/O line
· One 8-bit and two 16-bit programmable timer/event
counter with prescaler and PFD (programmable
frequency divider) function and overflow interrupt
· 16K´16 program memory in two banks (Bank 0, 1)
· 576´8 (192´3) data memory RAM
(address from 040H~0FFH, bank 0~2)
· On-chip crystal and RC oscillator
· Watchdog Timer
· Supports PFD for sound generation
· Real Time Clock (RTC) with 8-bit prescaler
· HALT function and wake-up feature reduce power
consumption
· Up to 0.5ms instruction cycle with 8MHz system clock
at VDD=5V
· 16-level subroutine nesting
· 8-channels 12-bit resolution A/D converter
· 4-channels (6+2)/(7+1)-bit PWM output shared with
four I/O lines
· Universal Asynchronous Receiver Transmitter
(UART)
· Bit manipulation instruction
· 16-bit table read instruction
· 63 powerful instructions
· All instructions in one or two machine cycles
· Low voltage reset function
· I2C Bus (slave mode)
· 48/56-pin SSOP package
General Description
The HT46RU25/HT46CU25 are 8-bit, high perfor-
mance, RISC architecture microcontroller devices spe-
cifically designed for A/D applications that interface
directly to analog signals, such as those from sensors.
The mask version HT46CU25 is fully pin and function-
ally compatible with the OTP version HT46RU25 de-
vice.
The advantages of low power consumption, I/O flexibil-
ity, programmable frequency divider, timer functions,
oscillator options, multi-channel A/D Converter, Pulse
Width Modulation function, UART function, I2C inter-
face, HALT and wake-up functions, enhance the versa-
tility of these devices to suit a wide range of A/D
application possibilities such as sensor signal process-
ing, motor driving, industrial control, consumer prod-
ucts, subsystem controllers, etc.
The HT46CU25 is under development and will be avail-
able soon.
I2C is a trademark of Philips Semiconductors.
Rev. 1.00
1
July 10, 2006


  Holtek Semiconductor Electronic Components Datasheet  

HT46RU25 Datasheet

A/D Type 8-Bit MCU

No Preview Available !

HT46RU25 pdf
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Block Diagram
HT46RU25/HT46CU25
TM R 2C
TM R 2
M
P r e s c a le r
fS Y S
U
X TM R 2
P ro g ra m
EPRO M
In s tr u c tio n
R e g is te r
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
MP M
U
X
BP
D ATA
M e m o ry
TM R 0C
TM R 0
PFD 0
TM R 1C
TM R 1
PFD 1
W DT
T im e
B ase
R TC
M
P r e s c a le r
fS Y S
U
X TM R 0
M TM R 1
U
X fS Y S /4
fS Y S /4
M
U
W DT O SC
X
W DT O SC
O SC3
O SC4
In s tr u c tio n
D ecoder
T im in g
G e n e ra to r
O SC2
O SC4
O SC1
RES
VDD
VSS
O SC3
M UX
A LU
S h ifte r
ACC
PA5
STATU S
H A L T E N /D IS
LV R
P G C P o rt G
PG
P F C P o rt F
PF
PW M
P D C P o rt D
PD
U A R T B us
P C C P o rt C
PC
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
I2 C B u s
S la v e M o d e
P G 0~P G 7
P F0~P F7
P D 0 /P W M 0 ~ P D 3 /P W M 3
P D 4~P D 7
P C 0 /T X
P C 1 /R X
P C 2~P C 5
P C 6 /O S C 3
P C 7 /O S C 4
P B 0 /A N 0 ~ P B 7 /A N 7
P A 0~P A 2
P A 3 /P F D
PA4
P A 5 /IN T
P A 6 /S D A
P A 7 /S C L
Rev. 1.00
2 July 10, 2006


Part Number HT46RU25
Description A/D Type 8-Bit MCU
Maker Holtek Semiconductor
Total Page 30 Pages
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