HT46R52A Holtek Semiconductor, HT46R52A Datasheet

HT46R52A

Manufacturer Part Number

HT46R52A

Description

(HT46R51A / HT46R52A) A/D Type 8-Bit OTP MCU

Manufacturer

Holtek Semiconductor

Datasheet

1.HT46R52A.pdf (42 pages)

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Technical Document

Features

General Description

The HT46R51A/HT46R52A 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-

Rev. 1.00

Tools Information

FAQs

Application Note

Low-power fully static CMOS design

Operating voltage:

Program Memory:

1K 15 OTP (HT46R51A)

2K 15 OTP (HT46R52A)

Data memory:

96 8 RAM (HT46R51A)

128 8 RAM (HT46R52A)

A/D converter: 12bits 5Ch

External A/D converter reference voltage input pin

14 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

SYS

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

=4MHz: 2.2V~5.5V

=8MHz: 3.3V~5.5V

A/D Type 8-Bit OTP MCU

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.

HT46R51A/HT46R52A

On-chip crystal and RC oscillator

6-level subroutine nesting

Watchdog Timer

Low voltage reset function

HALT function

Up to 0.5 s instruction cycle with 8MHz system clock

at V

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

18-pin DIP, 20-pin SOP/SSOP package

=5V

August 24, 2006

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