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  Holtek Semiconductor Electronic Components Datasheet  

HT48R52 Datasheet

(HT48R52 / HT48R53) I/O Type 8-Bit MCU

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HT48R52 pdf
HT48R52/HT48R53
I/O Type 8-Bit MCU
Technical Document
· Tools Information
· FAQs
· Application Note
- HA0002E Reading Larger than Usual MCU Tables
- HA0007E Using the MCU Look Up Table Instructions
- HA0011E HT48 & HT46 Keyboard Scan Program
- HA0019E Using the Watchdog Timer in the HT48 MCU Series
- HA0020E Using the Timer/Event Counter in the HT48 MCU Series
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Features
· Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
· Program memory:
HT48R52: 2k´14
HT48R53: 4k´15
· 88´8 data memory
· 40 bidirectional I/O lines
· One External interrupt input
· One Internal interrupt
· 8 bit programmable timer/event counter
· 4-level subroutine nesting
· Watchdog Timer (WDT)
· Buzzer output
· Low voltage reset (LVR)
General Description
These devices are 8-bit high performance, RISC archi-
tecture microcontroller specifically designed for multiple
I/O control product applications. The advantages of low
power consumption, I/O flexibility, timer functions, oscil-
lator options, HALT and wake-up functions, watchdog
· External RC and 32768Hz crystal oscillator
· Dual clock system offers three operating modes
- Normal mode: Both RC and 32768Hz clock active
- Slow mode: 32768Hz clock only
- Idle mode: Periodical wake-up by watchdog timer
overflow
· HALT function and wake-up feature reduce power
consumption
· 14-bit table read instructions for HT48R52
· 15-bit table read instructions for HT48R53
· 63 powerful instructions
· One instruction cycle: 4 system clock periods
· All instructions in 1 or 2 instruction cycles
· Bit manipulation instructions
· Up to 0.5ms instruction cycle with 8MHz system clock
· 52-pin QFP package
timer, buzzer driver, as well as low cost, enhance the
versatility of these devices to suit a wide range of appli-
cation possibilities such as industrial control, consumer
products, subsystem controllers, etc.
Rev. 1.20
1 December 6, 2005


  Holtek Semiconductor Electronic Components Datasheet  

HT48R52 Datasheet

(HT48R52 / HT48R53) I/O Type 8-Bit MCU

No Preview Available !

HT48R52 pdf
Block Diagram
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P ro g ra m
C o u n te r
S ta c k
S ta c k P o in te r
In te rru p t
C ir c u it
IN T C
A d d re s s D e c o d e r
P ro g ra m M e m o ry
L o o k u p T a b le
P o in te r
L o o k u p T a b le
R e g is te r
In s tr u c tio n
R e g is te r
M U X ACC
In s tr u c tio n
D ecoder
T im in g
G e n e ra to r
RC
O s c illa to r
A LU
S h ifte r
M e m o ry
P o in te r
M UX
A d d re s s D e c o d e r
P ro g ra m M e m o ry
R TC
O s c illa to r
W DT
O s c illa to r
R eset&
LV R
O SC1
O SC3
O SC4
R E S ,V D D
A V D D ,V S S
A V S S ,P V S S 0
PVSS1
HT48R52/HT48R53
W DT
C o u n te r
TM R
TM R C
M
U
X
M P r e s c a le r
U
X
fS Y S /4
M
U
X
fS Y S /4
R TC O SC
W DT O SC
PBC
P B 4~P B 7
P B 3 /T M R
P B P B 2 /IN T
P B 1 /B Z
P B 0 /B Z
PAC PO RT A
PA
P A 0~P A 7
PC PO RT C
P C 0~P C 7
PD PO RT D
P D 0~P D 7
PE PO RT E
P E 0~P E 7
Rev. 1.20
2 December 6, 2005


Part Number HT48R52
Description (HT48R52 / HT48R53) I/O Type 8-Bit MCU
Maker Holtek Semiconductor
Total Page 30 Pages
PDF Download
HT48R52 pdf
HT48R52 Datasheet PDF
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