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  Holtek Semiconductor Electronic Components Datasheet  

HT46RS03E Datasheet

2K 8-Bit OTP MCU

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HT46RS03E pdf
HT46RS03/HT46RS03E/HT46RS03P/HT46RS03PE
2K 8-Bit OTP MCU with OPA & Comparator
Technical Document
· Tools Information
· FAQs
· Application Note
- HA0075E MCU Reset and Oscillator Circuits Application Note
Features
· Operating voltage:
fSYS= 4MHz: 2.2V~5.5V
fSYS= 8MHz: 3.3V~5.5V
fSYS= 16MHz: 4.5V~5.5V
· OTP Program Memory: 2K´15 ROM
· RAM Data Memory: 128´8 RAM
· 16 bidirectional I/O lines
· External interrupt input shared with an I/O line
· Single 8-bit programmable Timer/Event Counters
with overflow interrupt and 7-stage prescaler
· Single 16-bit programmable Timer/Event Counter
with overflow interrupt
· External crystal and RC oscillator
· Watchdog Timer function
· PFD for audio frequency generation
· Power down and wake-up functions to reduce power
consumption
· Up to 0.25ms instruction cycle with 16MHz system
clock at VDD= 5V
· 4-level subroutine nesting
· Bit manipulation instruction
· Table read instructions
· 63 powerful instructions
· All instructions executed in one or two machine
cycles
· Low voltage reset function
· Three integrated operational amplifiers
- one with programmable gain control
· Single comparator with interrupt function
· Embedded 5V LDO in HT46RS03P
· 128´8 EEPROM in HT46RS03E or HT46RS03PE
· Range of package types
General Description
These devices are 8-bit, high performance, RISC archi-
tecture microcontroller device specifically designed for
operational amplifier applications that can be used to in-
terface directly to ultrasonic transducers.
The advantages of low power consumption, I/O flexibil-
ity, programmable frequency divider, timer functions,
oscillator options, internal comparator, internal opera-
tional amplifiers, power-down and wake-up functions,
enhance the versatility of these devices to suit a wide
range of application possibilities such as remote control
appliances, car reversing systems, level meters, etc.
EEPROM memory is incorporated into HT46RS03E or
HT46RS03PE device, which is useful for applications
that require an area of non-volatile memory, perhaps to
store information such as calibration parameters, part
numbers etc. Most features are common to all devices,
however, they differ in the provision of an LDO and
EEPROM as well as package types.
Rev. 1.30
1 March 12, 2009


  Holtek Semiconductor Electronic Components Datasheet  

HT46RS03E Datasheet

2K 8-Bit OTP MCU

No Preview Available !

HT46RS03E pdf
HT46RS03/HT46RS03E/HT46RS03P/HT46RS03PE
Selection Table
Most features are common to all devices, the main feature distinguishing them are the inclusion of LDO and EEPROM
functions, as well as available package types. The following table summarises the main features of each device.
Part No.
HT46RS03
HT46RS03E
VDD
Program Data Memory
Timer Interrupt
Package
VIN Memory SRAM EEPROM I/O 8-bit 16-bit Ext. Int. LDO OPA CMP PFD Stack Types
16NSOP,
¾ 16/20DIP,
2.2V~
5.5V ¾
2K´15 128´8
16/20SSOP
16 1 1 1 3 ¾ 3 1 Ö 4
128´8
20SOP
16NSOP,
HT46RS03P
¾ 15
16/20DIP,
5.5V~
5.0V 24V 2K´15 128´8
16/20SSOP
1 1 13 Ö 3 1 Ö 4
HT46RS03PE
128´8 16
20/24SOP
Block Diagram
The following block diagram illustrates the main functional blocks.
O SC1 O SC2
R E S IN T
P A 0~P A 7
O SC
C ir c u it
8 - b it R IS C
M C U C o re
ROM
2K x15
RAM
128x8
P o rt A
P B 0~P B 7
P o rt B
EEPRO M
128x8
LD O
V DD
O PA1
R e g is te r
O PA1
A 1P A 1N
A 1E
O PA2
R e g is te r
O PA2
O PA3
R e g is te r
CNSEL
O PA3
COM P
R e g is te r
TM R 0
fS Y S
A 1E
TM R 1
fS Y S
fS Y S /4
COM P
M UX
8 - b it
T im e r 0
M UX
1 6 - b it
T im e r 1
A 2E A 3N
A 3E C N C P
CE
PFD 0
M UX
PFD 1
V IN
VO UT
V D D /V D D A
V S S /V S S A
PFD
Rev. 1.30
2 March 12, 2009


Part Number HT46RS03E
Description 2K 8-Bit OTP MCU
Maker Holtek Semiconductor
Total Page 30 Pages
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HT46RS03E pdf
HT46RS03E Datasheet PDF
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