參數(shù)資料
型號: HT82A822R_07
廠商: Holtek Semiconductor Inc.
英文描述: USB Audio MCU
中文描述: USB音頻控制器
文件頁數(shù): 20/39頁
文件大?。?/td> 288K
代理商: HT82A822R_07
HT82A822R
Rev. 1.10
20
June 29, 2007
Bank1~Bank4 audio data format (16 bit
8 bit)
15
14
13~2
1
0
Original 16 bit audio data (2 s complement)
15
13
12~9
8
7
Truncate 16 bit audio data to 8-bit
ModeSelect=0 (Spectrum, (R+L)/2)
ModeSelect=1 (L/R)
Result (dB)
USVC
Result (dB)
USVC
Result (dB)
USVC
Result (dB)
USVC
6
000_1100
2
111_1100
10
110_1100
24
101_1100
5.5
000_1011
2.5
111_1011
10.5
110_1011
25
101_1011
5
000_1010
3
111_1010
11
110_1010
26
101_1010
4.5
000_1001
3.5
111_1001
11.5
110_1001
27
101_1001
4
000_1000
4
111_1000
12
110_1000
28
101_1000
3.5
000_0111
4.5
111_0111
13
110_0111
29
101_0111
3
000_0110
5
111_0110
14
110_0110
30
101_0110
2.5
000_0101
5.5
111_0101
15
110_0101
31
101_0101
2
000_0100
6
111_0100
16
110_0100
32
101_0100
1.5
000_0011
6.5
111_0011
17
110_0011
1
000_0010
7
111_0010
18
110_0010
0.5
000_0001
7.5
111_0001
19
110_0001
0
000_0000
8
111_0000
20
110_0000
0.5
111_1111
8.5
110_1111
21
101_1111
1
111_1110
9
110_1110
22
101_1110
1.5
111_1101
9.5
110_1101
23
101_1101
Speaker mute control:
MUTE= 0: Mute speaker output.
MUTE= 1: Normal.
Registers
R/W
Power-on
Functions
FIFO0~
FIFO2
R/W
xxH
EPi accessing register (i = 0~2). When an endpoint is disabled, the corresponding
accessing register should be disabled.
USB Endpoint Accessing Registers Definitions
1 9 % ,
1 9 % ,
1 9 % ,
1 9 % ,
1 %
&
% ,
>
% ,
> 1
% ,
> 5
% ,
> 0
1
6 % !
# %
"
& %
&
% ,
>
% ,
> 1
% ,
> 5
% ,
> 0
1 9 % ,
F % !
# %
"
&
1 9 % ,
F % !
# %
"
&
1 9 % ,
F %
" %
"
&
1 9 % ,
F %
" %
"
&
1
6 %
" %
"
& %
&
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