HT36M4 Holtek Semiconductor Inc., HT36M4 Datasheet - Page 15

• Manufacturer Part Number: HT36M4
• Description: Ht36m4 -- Music Synthesizer 8-bit Mcu
• Manufacturer: Holtek Semiconductor Inc.

16 Channel Wavetable Synthesizer
Note:
Rev. 1.10
30H~1FFH Data Memory (RAM)
Register
2B~2FH
Name
1DH
1EH
1FH
2AH
20H
21H
22H
23H
24H
25H
26H
27H
28H
29H
If the DAC circuit is not enabled, any DAH/DAL output is invalid. Writing a 1 to DAC bit is to enable DAC cir-
cuit and writing a 0 to DAC bit is to disable the DAC circuit.
DAC High Byte (No Default Value)
DAC Low Byte (No Default Value)
DAON=1: DAC ON
DANO=0: DAC OFF (Default)
SELW=1: DAC Data from Wavetable
SELW=0: DAC Data from MCU (Default)
Channel Number Select
High Byte Frequency Number
Low Byte Frequency Number
High Byte Start Address Selection
Low Byte Start Address Selection
Waveform Bit Selection
High Byte Repeat Number Selection
Low Byte Repeat Number Selection
Envelope Control Selection
Left/Right Volume Control
Right Volume Controller
Register Function
Wavetable Function Register Table
Input/Output Ports
DA15 DA14 DA13 DA12 DA11 DA10
15
WBS RE14 RE13 RE12 RE11 RE10
General Purpose Data Memory (Same As 8-bit MCU)
DA7
RE7
A_R
VR7
FR7
ST7
BL3
VM
B7
DA6
FR6
ST6
RE6
VR6
BL2
B6
FR
DA5
FR5
RE5
VR5
BL1
ST5
B5
DA4
RE4
VR4
BL0 FR11 FR10
FR4
ST4
B4
ST11 ST10
DA3
CH3 CH2
RE3
VR3
FR3
ST3
B3
DA2
FR2
RE2
VR2
ST2
B2
DAON
DA9
DA1
CH1
FR9
FR1
RE9
RE1
VR9
VR1
ST9
ST1
March 14, 2007
B1
HT36M4
SELW
Right
CH0
DA8
DA0
FR8
FR0
ST8
ST0
RE8
RE0
VR8
VR0
B0