參數(shù)資料
型號: TWL1110GQER
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA80
封裝: PLASTIC, BGA-80
文件頁數(shù): 21/40頁
文件大小: 564K
代理商: TWL1110GQER
TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
28
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
register power-up defaults
REG
BITS
REG
07
06
05
04
03
02
01
00
Power control (1)
00
1
0
1
0
Power control (2)
00
1
0
1
0
1
Mode control
01
0
1
0
TXPGA
02
0
1
0
RXPGA
03
1
0
1
0
High DTMF
04
0
Low DTMF
05
0
AUX
06
0
1. Value when PWRUPSEL = 0
2. Value when PWRUPSEL = 1
register map
Table 9. Power Control Register: Address (00) HEX
BIT NUMBER
DEFINITIONS
7
6
5
4
3210
DEFINITIONS
1
0
1
0
Default setting PWRUPSEL = 0
1
0
1
1011
Default setting PWRUPSEL = 1
X
0
Reference system, power down
X
1
Reference system, power up
X
1
X
EAR AMP1 selected, EAR AMP2 power down
X
0
X
EAR AMP2 selected, EAR AMP1 power down
X
0
X
Receive channel enabled
X
0
X
1
X
Receive channel muted
X
1
X
1
X
0
Receive channel, power down
X
1
X
Micbias enable
X
0
X
Micbias disable
X
1
XXXX
MIC1 selected
X
0
XXXX
MIC2 selected
X
0
X
XXXX
Transmit channel enabled
X
1
0
X
XXXX
Transmit channel muted
X
1
X
XXXX
Transmit channel power down
0
X
XXXX
Sidetone enabled
1
X
Sidetone muted
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