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HT37B90 Datasheet(PDF) 49 Page - Holtek Semiconductor Inc

Part # HT37B90
Description  HT37B90
PDF  80 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT37B90 Datasheet(HTML) 49 Page - Holtek Semiconductor Inc

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HT37B90/HT37B70/HT37B50/HT37B30
Rev.1.00
49
June22,2017
Name
Function
D7
D6
D5
D4
D3
D2
D1
D0
20H
Channelnumberselection(CHAN)
VM
FR
¾
¾
CH3
CH2
CH1
CH0
21H
Frequencynumberhighbyte(FreqNH)
BL3
BL2
BL1
BL0
FR11
FR10
FR9
FR8
22H
Frequencynumberlowbyte(FreqNL)
FR7
FR6
FR5
FR4
FR3
FR2
FR1
FR0
23H
Startaddresshighbyte(AddrH)
¾
ST14
ST13
ST12
ST11
ST10
ST9
ST8
24H
Startaddresslowbyte(AddrL)
ST7
ST6
ST5
ST4
ST3
ST2
ST1
ST0
25H
Repeatnumberhighbyte(RepH)
WBS
RE14 RE13 RE12 RE11 RE10
RE9
RE8
26H
Repeatnumberlowbyte(RepL)
RE7
RE6
RE5
RE4
RE3
RE2
RE1
RE0
27H
Controlregister(ENV)
A_R
¾
VL9
VL8
ENV1 ENV0
VR9
VR8
28H
¾
29H
Leftvolumecontrol(LVC)
VL7
VL6
VL5
VL4
VL3
VL2
VL1
VL0
2AH
Rightvolumecontrol(RVC)
VR7
VR6
VR5
VR4
VR3
VR2
VR1
VR0
Wavetable RegisterMemoryMap(20H~2AH)
ADPCM
AddressOffset
RegisterName
R/W
DefaultValue
Description
30H
ADR
W
xxxx xxxx
ADPCM DataRegister
31H
XSPL
W
00000000
Xn+SPInitialRegisterLowByte
32H
XSPH
W
00000000
Xn+SPInitialRegisterHighByte
33H
ADPC
R/W
00x0xx00
ADPCM Decodercontrolregister
34H
ADPS
R
00001111
ADPCM DecoderStatusRegister
HT-ADPCM DecoderRegisters
A D P S R e g i s t e r
b 0
b 7
A D R 0 _ E m p t y
A D R 1 _ E m p t y
W B R 0 _ E m p t y
W B R 1 _ E m p t y
V o i c e c h a n n e l 0 , A D P C M D a t a E m p t y F l a g
0 : n o n e m p t y
1 : e m p t y
V o i c e c h a n n e l 1 , A D P C M D a t a E m p t y F l a g
0 : n o n e m p t y
1 : e m p t y
V o i c e c h a n n e l 0 , W B R D a t a E m p t y F l a g
0 : n o n e m p t y
1 : e m p t y
V o i c e c h a n n e l 1 , W B R D a t a E m p t y F l a g
0 : n o n e m p t y
1 : e m p t y
N o t i m p l e m e n t e d , r e a d a s " 0 "
ADPS(34H) - ADPCM StatusRegister



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