參數(shù)資料
型號: UCB1400BE
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Audio codec with touch screen controller and power management monitor
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 X 1.40 MM, PLASTIC, LQFP-48
文件頁數(shù): 37/63頁
文件大?。?/td> 674K
代理商: UCB1400BE
Philips Semiconductors
UCB1400
Audio codec with touch screen controller
and power management monitor
Product data
Rev. 02 — 21 June 2002
37 of 63
9397 750 09611
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
12.5 Record Gain register (index 0x1C)
12.6 General Purpose register (index 0x20)
The LPBK bit enables loopback of the ADC output to the DAC input without involving
the AC-link, allowing for full system performance measurements.
Table 19:
Register address: 0x1C; default: 8000
Bit
D15
Symbol
RM
Bit
D7
Symbol
X
Record Gain register
D14
X
D6
X
D13
X
D5
X
D12
X
D4
X
D11
GL3
D3
GR3
D10
GL2
D2
GR2
D9
GL1
D1
GR1
D8
GL0
D0
GR0
Table 20:
Bit
D15
D14 - D12
D11 - D8
Description of Master Volume register bits
Symbol
Type
RM
RW
X
R
GL3 - GL0
RW
Description
Master Record mute.
Reserved.
Left channel record gain in steps of 1.5 dB
(0000 = 0 dB; 1111 = 22.5 dB).
Reserved.
Right channel record gain in steps of 1.5 dB
(0000 = 0 dB; 1111 = 22.5 dB).
D7 - D4
D3 - D0
X
GR3 - GR0
R
RW
Table 21:
Register address: 0x20; default: 0000
Bit
D15
Symbol
X
Bit
D7
Symbol
LPBK
General Purpose register
D14
X
D6
X
D13
X
D5
X
D12
X
D4
X
D11
X
D3
X
D10
X
D2
X
D9
X
D1
X
D8
X
D0
X
Table 22:
Bit
D15 - D8
D7
Description of General Purpose register bits
Symbol
Type
X
R
LPBK
RW
Description
Reserved.
ADC/DAC loopback mode (ADC output to DAC
input).
Reserved.
D6 - D0
X
R
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