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参数资料
| 型号： | TB2173FTG |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQCC44 |
| 封装： | 6 X 6 MM, 0.40 MM PITCH, PLASTIC, VQON-44 |
| 文件页数： | 3/19页 |
| 文件大小： | 252K |
| 代理商： | TB2173FTG |
TB2173FTG
2006-04-19
11
(5)
BST SW data: 1 bit (BST)
BST
Operation
0
Boost OFF
1
Boost ON
(6)
PW SW: 1 bit (PW SW)
PW SW can be controlled using either a command or port, with the following truth table:
Port
Command
Operation
0 (OFF)
0 (IC OFF)
0 (OFF)
1 (ON)
0 (IC OFF)
1 (ON)
0 (OFF)
0 (IC OFF)
1 (ON)
1 (IC ON)
(7)
MUTE SW: 1 bit (MUTE)
MUTE SW can be controlled using either a command or port, with the following truth table:
Port
Command
Operation
0 (OFF)
0 (MUTE OFF)
0 (OFF)
1 (ON)
1 (MUTE ON)
1 (ON)
0 (OFF)
1 (MUTE ON)
1 (ON)
1 (MUTE ON)
(8)
Power expansion: 1 bit (P1/P2)
P1/P2
Operation
0
Port Low
1
Port High
(9)
NONE
An invalid bit
(10) Strobe data (STB)
STB
Operation
0
No data write
1
Data write
(11) Initial command upon command reset
DATA1
Ach
Bch
D1
D2
D3
D4
D5
D6
AD
Initial value
1
0
DATA2
MODE
BST
PW SW
MUTE
P1
P2
Invalid
AD
Initial value
0
1
0
Bit 9 specifies the address.
The initial address selected upon a reset is DATA1.
Command data is maintained over a power cycle.
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