HT46R32/HT46R34
A/D Type 8-Bit OTP MCU with OPA
Technical Document
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Tools Information
FAQs
Application Note
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HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM
HA0049E Read and Write Control of the HT1380
HA0051E Li Battery Charger Demo Board - Using the HT46R47
HA0052E Microcontroller Application - Battery Charger
HA0083E Li Battery Charger Demo Board - Using the HT46R46
Features
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Operating voltage:
Up to 0.5ms instruction cycle with 8MHz system clock
at VDD=5V
f
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SYS=4MHz: 2.2V~5.5V
SYS=8MHz: 3.3V~5.5V
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6-level subroutine nesting
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20 bidirectional I/O lines (max.)
4 channel 12-bit resolution A/D converter
Single interrupt input shared with an I/O line
Integrated single operational amplifier or comparator
selectable via configuration option
8-bit programmable timer/event counter with overflow
interrupt and 7-stage prescaler
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Dual 8-bit PWM outputs shared with I/O lines
Bit manipulation instruction
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Integrated crystal and RC oscillator
Watchdog Timer
Full table read instruction
2048´14 Program Memory capacity - HT46R32
4096´15 Program Memory capacity - HT46R34
63 powerful instructions
All instructions executed in one or two machine
cycles
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88´8 Data Memory capacity - HT46R32
192´8 Data Memory capacity - HT46R34
Integrated PFD function for sound generation
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Low voltage reset function
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28-pin SKDIP/SOP/SSOP package
Power-down and wake-up functions reduce power
consumption
General Description
The HT46R32 and HT46R34 are 8-bit, high perfor-
mance, RISC architecture microcontroller devices. With
their fully integrated A/D converter they are especially
suitable for applications which interface to analog sig-
nals, such as those from sensors. The addition of an in-
ternal operational amplifier/comparator and PWM
modulation functions further adds to the analog capabil-
ity of these devices.
With the comprehensive features of low power con-
sumption, I/O flexibility, programmable frequency di-
vider, timer functions, oscillator options, multi-channel
A/D Converter OP/Comparator, Pulse Width Modula-
tion function, Power-down and wake-up functions etc,
the application scope of these devices is broad and en-
compasses areas such as sensor signal processing,
motor driving, industrial control, consumer products,
subsystem controllers, etc.
Rev. 1.11
1
January 21, 2009