HT46C23 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT46C23

A/D Type 8-Bit MCU

Holtek Semiconductor 

HT46R23/HT46C23

A/D Type 8-Bit MCU

Features

· Operating voltage:

fSYS=4MHz: 2.2V~5.5V

fSYS=8MHz: 3.3V~5.5V

· 23 bidirectional I/O lines (max.)

· 1 interrupt input shared with an I/O line

· 16-bit programmable timer/event counter with

overflow interrupt and 7-stage prescaler

· On-chip crystal and RC oscillator

· Watchdog Timer

· 4096´15 program memory

· 192´8 data memory RAM

· Supports PFD for sound generation

· HALT function and wake-up feature reduce power

consumption

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

at VDD=5V

· 8-level subroutine nesting

· 8 channels 10-bit resolution A/D converter

· 2-channel 8-bit PWM output shared with two I/O lines

· Bit manipulation instruction

· 15-bit table read instruction

· 63 powerful instructions

· All instructions in one or two machine cycles

· Low voltage reset function

· I2C Bus (slave mode)

· 24/28-pin SKDIP/SOP packages

General Description

The HT46R23/HT46C23 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 mask

version HT46C23 is fully pin and functionally compatible

with the OTP version HT46R23 device.

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, I2C interface, HALT and

wake-up functions, enhance the versatility of these de-

vices to suit a wide range of A/D application possibilities

such as sensor signal processing, motor driving, indus-

trial control, consumer products, subsystem controllers,

etc.

I2C is a trademark of Philips Semiconductors.

Rev. 1.60

1

May 3, 2004

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