HT46R53 datasheet(1/42 Pages) HOLTEK

Part #	HT46R53

Description	A/D Type 8-Bit OTP MCU

PDF	42 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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HT46R53/HT46R54

A/D Type 8-Bit OTP MCU

Rev. 1.40

1

July 12, 2005

General Description

The HT46R53/HT46R54 are 8-bit high performance,

RISC architecture microcontroller devices specifically

designed for A/D applications that interface directly to

analog signals, such as those from sensors. The advan-

tages of low power consumption, I/O flexibility, timer

functions, oscillator options, multi-channel A/D con-

verter, Pulse Width Modulation function, HALT and

wake-up functions, watchdog timer, as well as low cost,

enhance the versatility of these devices to suit a wide

range of A/D application possibilities such as sensor

signal processing, chargers, motor driving, industrial

control, consumer products, subsystem controllers, etc.

Features

· Low-power fully static CMOS design

· Operating voltage:

fSYS=4MHz: 2.2V~5.5V

fSYS=8MHz: 3.3V~5.5V

· Program Memory:

2K

´14 OTP (HT46R53)

4K

´15 OTP (HT46R54)

· Data memory: 88´8 RAM

· A/D converter: 12bits´8Ch

External A/D converter reference voltage input pin

· 22 bidirectional I/O lines

· 1 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

· 6-level subroutine nesting

· Watchdog Timer

· Low voltage reset function

· HALT function

· Up to 0.5ms instruction cycle with 8MHz system clock

at VDD=5V

· 1-channel 8-bit PWM output shared with an I/O line

· PFD function

· Bit manipulation instruction

· Table read instruction

· 63 powerful instructions

· All instructions in one or two machine cycles

· 28-pin SKDIP/SOP package

Technical Document

· Tools Information

· FAQs

· Application Note

- HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM

- HA0004E HT48 & HT46 MCU UART Software Implementation Method

- HA0084E NiMH Battery Charger Demo Board - Using the HT46R52

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