HT37B70 datasheet(1/80 Pages) HOLTEK

Part #	HT37B70

Description	HT37B90

PDF	80 Pages

Scroll/Zoom	100%

Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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HT37B90/HT37B70/HT37B50/HT37B30

8-ChannelMusicSynthesizer8-Bit MCU MCU

Note that the HT37B70/HT37B50/HT37B30 devices, although mentioned in this

datasheet, have already been phased out and are presently no longer available.

SelectionTable

Most features are common to all devices, the main feature distinguishing them are Program Memory capacity, I/O

count, A/D resolution, DAC output, R2F input and package types. The following table summarizes the main features of

eachdevice.

PartNo.

VDD

Channel

OSC

Program

ROM

RAM

I/O

D/A

Power

AMP

CR/F

ADC

IIS

UART

SPI

Package

Types

HT37B30

2.4V~

5.5V

14+2

12.8

MHz

64K

´16

640

´8

32

2ch-

Stereo

Ö

8

12-bit

´8

¾

80LQFP

HT37B50

128K

´16

32

2ch-

Stereo

Ö

8

¾

80LQFP

HT37B70

3.0V~

5.5V

256K

´16

40

2ch-

Stereo

Ö

8

Ö

80LQFP

HT37B90

512K

´16 1280´8

40

2ch-

Stereo

Ö

8

Ö

100LQFP

Rev.1.00

1

June22,2017

Features

· Operatingvoltage:

2.4V~5.5VforHT37B50/30

3.0V~5.5VforHT37B90/70

· Operatingfrequency:12.8MHz

· Oscillationmodesfortheoscillatorclock

fOSC:crystal(12.8MHz)

1-pinRCoscillationtyp.12.8MHz

· Built-in8-bit MCU (HT-8)with640´8or

1280

´8(HT37B90)bitsRAM

· Built-in64K´16-bitsto512K´16-bitsROMfor

program/datashared

· Two8bittimerandone16bittimer

· Watchdogtimer

· Power-down and Wake-up features for power saving

operation

· 16-bit table read instructions for any bank/page read

· Support32to40bidirectionalI/Olines

· Integrated2-chstereo16-bit DAC converter

· 12-levelsubroutinenesting

· Integratedpoweramplifier

· Integrated8-channel12-bitA/Dconverter

· 16channelpolyphonicsynthesizer

· Lowvoltagereset(Tolerance ±5%)

· Externalinterrupt INT

· External2Timerclockinput

· 8touchswitchinput

· ADPCM decoder

· IIS functionforHT37B90/70

· UART functionforHT37B90/70

· SPI functionforHT37B90/70

· Bitmanipulationinstructions

· 63powerfulinstructions

· Allinstructionsin1or2machinecycles

GeneralDescription

The device is an 8-bit high performance RISC architec-

ture microcontroller specifically designed for various

Music and ADPCM applications. It provides an 8-bit

MCU and 16-channel wavetable synthesizer. It has a in-

tegrated 8-bit micro controller which controls the syn-

thesizer to generate the melody by setting the special

register. A Power-down function is included to reduce

powerconsumption.

Similar Part No. - HT37B70

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Hotchip Technology Co.,...	HT3786D	292Kb / 5P	Li-ion Battery Charger Ver1.0
Holtek Semiconductor In...	HT37A20	709Kb / 85P	8-Channel Music Synthesizer MCU
	HT37A30	709Kb / 85P	8-Channel Music Synthesizer MCU
	HT37A40	709Kb / 85P	8-Channel Music Synthesizer MCU
	HT37A50	709Kb / 85P	8-Channel Music Synthesizer MCU

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