HT46R46_08 Datasheet, PDF (1/77 Pages) Holtek Semiconductor Inc – Cost-Effective A/D Type 8-Bit MCU

HT46R46/C46/R47/C47/R48A/C48A/R49
Cost-Effective A/D Type 8-Bit MCU
Technical Document
· Tools Information
· FAQs
· Application Note
- 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
- HA0075E MCU Reset and Oscillator Circuits Application Note
- HA0083E Li Battery Charger Demo Board - Using the HT46R46
Features
· Operating voltage:
f_SYS=4MHz: 2.2V~5.5V
f_SYS=8MHz: 3.3V~5.5V
· 13 to 23 bidirectional I/O lines
· External interrupt input shared with an I/O line
· 8-bit programmable Timer/Event Counter with over-
flow interrupt and 7-stage prescaler
· On-chip crystal and RC oscillator
· Watchdog Timer function
· PFD for audio frequency generation
· Power down and wake-up functions to reduce power
consumption
· Up to 0.5ms instruction cycle with 8MHz system clock
at V_DD=5V
· 4 or 6-level subroutine nesting
· 4 channels 8 or 9-bit resolution A/D converter
· 1 or 2 channel 8-bit PWM output shared with I/O lines
· Bit manipulation instruction
· Table read instructions
· 63 powerful instructions
· All instructions executed in one or two machine
cycles
· Low voltage reset function
· Range of packaging types
General Description
The Cost-Effective A/D Type MCU Devices are a series
of 8-bit high performance RISC architecture
microcontrollers, designed especially for applications
that interface directly to analog signals, such as those
from sensors. All devices include an integrated
multi-channel Analog to Digital Converter in addition to
one or two Pulse Width Modulation outputs. The usual
Holtek MCU features such as power down and wake-up
functions, oscillator options, programmable frequency
divider, etc. combine to ensure user applications require
a minimum of external components.
The benefits of integrated A/D and PWM functions, in
addition to low power consumption, high performance,
I/O flexibility and low-cost, provide these devices with
the versatility to suit a wide range of application possibil-
ities such as sensor signal processing, motor driving, in-
dustrial control, consumer products, subsystem
controllers, etc. Many features are common to all de-
vices, however, they differ in areas such as I/O pin
count, Program Memory capacity, A/D resolution, stack
capacity and package types.
Rev. 1.30
1
June 5, 2008