HT36M4 datasheet(15/24 Pages) HOLTEK

15 / 24 page

HT36M4

Rev. 1.10

March 14, 2007

16 Channel Wavetable Synthesizer

Name

1DH

DAC High Byte (No Default Value)

DA15 DA14 DA13 DA12 DA11 DA10

DA9

DA8

1EH

DAC Low Byte (No Default Value)

DA7

DA6

DA5

DA4

DA3

DA2

DA1

DA0

1FH

DAON=1: DAC ON

DANO=0: DAC OFF (Default)

SELW=1: DAC Data from Wavetable

SELW=0: DAC Data from MCU (Default)

¾¾¾¾¾¾

DAON

SELW

Right

20H

Channel Number Select

¾¾

CH3

CH2

CH1

CH0

21H

High Byte Frequency Number

BL3

BL2

BL1

BL0

FR11 FR10

FR9

FR8

22H

Low Byte Frequency Number

FR7

FR6

FR5

FR4

FR3

FR2

FR1

FR0

23H

High Byte Start Address Selection

¾¾¾¾

ST11 ST10

ST9

ST8

24H

Low Byte Start Address Selection

ST7

ST6

ST5

ST4

ST3

ST2

ST1

ST0

25H

Waveform Bit Selection

High Byte Repeat Number Selection

WBS RE14 RE13 RE12 RE11 RE10

RE9

RE8

26H

Low Byte Repeat Number Selection

RE7

RE6

RE5

RE4

RE3

RE2

RE1

RE0

27H

Envelope Control Selection

Left/Right Volume Control

A_R

¾¾¾¾¾

VR9

VR8

28H

29H

2AH

Right Volume Controller

VR7

VR6

VR5

VR4

VR3

VR2

VR1

VR0

2B~2FH

30H~1FFH

Data Memory (RAM)

General Purpose Data Memory (Same As 8-bit MCU)

Wavetable Function Register Table

Note:

If the DAC circuit is not enabled, any DAH/DAL output is invalid. Writing a

²1² to DAC bit is to enable DAC cir-

cuit and writing a

²0² to DAC bit is to disable the DAC circuit.

C K

D a t a B u s

W r i t e C o n t r o l R e g i s t e r

C h i p R e s e t

R e a d C o n t r o l R e g i s t e r

W r i t e I / O

R e a d I / O

S y s t e m W a k e - U p ( P A o n l y )

W e a k

P u l l - u p

P A 0 ~ P A 7

P B 0 ~ P B 7

M a s k O p t i o n

P C 0 ~ P C 7

P D 0 ~ P D 3

V D D

Input/Output Ports

HT36M4 Datasheet(PDF) 15 Page - Holtek Semiconductor Inc

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