HT46R46-H
Cost-Effective A/D Type 8-Bit OTP MCU
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
HA0009E HT48 & HT46 MCU I/O Port Application - Rolling LED Light Display
HA0049E Read and Write Control of the HT1380
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
f
SYS=4MHz: VLVR~5.5V with LVR enabled
SYS=8MHz: 3.3V~5.5V with LVR disabled
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4-level subroutine nesting
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13 bidirectional I/O lines (max.)
4 channels 8-bit resolution A/D converter
1 channel 8-bit PWM output shared with an I/O line
Bit manipulation instruction
1 interrupt input shared with an I/O line
8-bit programmable timer/event counter with overflow
interrupt and 7-stage prescaler
14-bit table read instruction
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On-chip crystal and RC oscillator
Watchdog Timer
63 powerful instructions
All instructions in one or two machine cycles
Low voltage reset function
1024´14 program memory
64´8 data memory RAM
18-pin DIP/SOP package
Supports PFD for sound generation
HALT function and wake-up feature reduce power
consumption
General Description
The HT46R46-H are 8-bit, high performance, RISC ar-
chitecture microcontroller devices specifically designed
for A/D applications that interface directly to analog sig-
nals, such as those from sensors.
tions, enhance the versatility of these devices to suit a
wide range of A/D application possibilities such as sen-
sor signal processing, motor driving, industrial control,
consumer products, subsystem controllers, etc.
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, HALT and wake-up func-
The higher operating voltage range and higher operat-
ing temperature range of -40°C to +125°C for the
HT46R46-H make this series suitable for automotive
applications as well.
Rev. 1.40
1
March 1, 2006