參數(shù)資料
型號(hào): UCB1400BE
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)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(yè)數(shù): 39/63頁(yè)
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
39 of 63
9397 750 09611
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
12.8 Extended Audio ID register (index 0x28)
The Extended Audio ID is a read-only register that identifies which extended audio
features are supported (in addition to the original AC ’97 features identified by
reading the Reset register at Index 0x00).
12.9 Extended Audio Status and Control register (index 0x2A)
Table 25:
Register address: 0x28; default: 0001
Bit
D15
Symbol
ID1
Bit
D7
Symbol
X
Extended Audio ID register
D14
ID0
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
VRA
Table 26:
Bit
D15 - D14
D13 - D1
D0
Description of Extended Audio ID register bits
Symbol
Type
ID1 - ID0
R
X
R
VRA
R
Description
Always ‘0’ (UCB1400 is a primary codec).
Reserved.
Always ‘1’ (Variable Rate PCM Audio supported).
Table 27:
Register address: 0x2A; default: 0000
Bit
D15
Symbol
X
Bit
D7
Symbol
X
Extended Audio Status and Control 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
VRA
Table 28:
Bit
D15 - D1
D0
Description of Extended Audio Status and Control register bits
Symbol
Type
Description
X
R
Reserved.
VRA
RW
1 enables Variable Rate Audio mode (sample rate
control registers and SLOTREQ signalling).
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