HT82A821R_07 HOLTEK [Holtek Semiconductor Inc], HT82A821R_07 Datasheet - Page 19

• Manufacturer Part Number: HT82A821R_07
• Description: USB Audio MCU
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Note: *USB definition: when host send a set Configuration , the Data pipe should send the DATA0 (about the Data
Speaker mute Control:
MUTE= 0: Mute Speaker output.
MUTE= 1: Normal.
Rev. 1.10
Registers
Result (dB)
FIFO0~
FIFO2
Bit No.
Bit No.
3~7
0~6
0
1
2
7
5.5
4.5
3.5
2.5
1.5
0.5
0.5
1.5
6
5
4
3
2
1
0
**Only need to set the data pipe as a input pile or output pile. The purpose of this function is to avoid the host
1
toggle) first. So, when Device received a set configuration setup command, user need to toggle this bit for
next data will send a Data0 first.
sent a abnormal IN or OUT token and make the endpoint disability.
DATATG*
SETIO1**
SETIO2**
USVC0~
USVC6
R/W
R/W
MUTE
Label
Label
000_1100
000_1011
000_1010
000_1001
000_1000
000_0111
000_0110
000_0101
000_0100
000_0011
000_0010
000_0001
000_0000
111_1111
111_1110
111_1101
USVC
SETIO Register, USB Endpoint 1~Endpoint 2 Set IN/OUT Pipe Register
Power-on
xxH
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Result (dB)
USB Endpoint Accessing Registers Definitions
EPi accessing register (i = 0~2). When an endpoint is disabled, the corresponding
accessing register should be disabled.
2.5
3.5
4.5
5.5
6.5
7.5
8.5
9.5
2
3
4
5
6
7
8
9
Power-on
Power-on
0
1
0
0
0
USB Speaker Volume Control
111_1100
111_1011
111_1010
111_1001
111_1000
111_0111
111_0110
111_0101
111_0100
111_0011
111_0010
111_0001
111_0000
110_1111
110_1110
110_1101
USVC
To toggle this bit, all the DATA token will send DATA0 first.
Set endpoint1 input or output pipe (1/0), default input pipe(1)
Set endpoint2 input or output pipe (1/0), default output pipe(0)
Reserved
Volume control Bit0~Bit6
Mute control, low active.
19
Result (dB)
10.5
11.5
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Functions
110_1100
110_1011
110_1010
110_1001
110_1000
110_0111
110_0110
110_0101
110_0100
110_0011
110_0010
110_0001
110_0000
101_1111
101_1110
101_1101
Functions
Functions
USVC
Result (dB)
24
25
26
27
28
29
30
31
32
HT82A821R
June 29, 2007
101_1100
101_1011
101_1010
101_1001
101_1000
101_0111
101_0110
101_0101
101_0100
USVC