參數(shù)資料
型號: AS3543-ECTP
廠商: ams
文件頁數(shù): 73/92頁
文件大?。?/td> 0K
描述: IC CODEC AUDIO FRONT END 68CTBGA
標準包裝: 4,000
類型: 音頻編解碼器
應(yīng)用: 便攜式音頻,電話
安裝類型: 表面貼裝
封裝/外殼: 68-TFBGA
供應(yīng)商設(shè)備封裝: 68-CTBGA(6x6)
包裝: 帶卷 (TR)
www.austriamicrosystems.com
Revision 1.11
74 - 91
AS3543 3v2
Data Sheet - R e g i s t e r D e f i n i t i o n
Table 74. PLL Register
Name
Base
Default
PLL
2-wire serial
00h
Offset: 1Ah-7
PLL Register
This is an extended register and needs to be enabled by writing 111b to Reg. 1Ch first.
This register is reset at a AVDD27-POR.
Bit
Bit Name
Default
Access
Bit Description
7:4
OSR<3:0>
0000
R/W
Sets the oversampling rate when using the internal PLL
0x0: 128
0x1-0xF: n/a
3:2
VCO_MODE<1:0>
00
R/W
Selects the speed of the PLL VCO according to the audio
sampling frequency.
00: normal: 24-48kHz
01: low: 8-23kHz
10: high: 49-96kHz
11: n/a
1:0
PLL_MODE<1:0>
00
R/W
Selects the PLL mode and master clock frequency source
00: automatic
turns PLL on, PLL clock is used as master clock if freq(LRCK)
>8kHz and freq(MCLK)<32*freq(LRCK)
01: ON; turns PLL on, PLL clock is used as master clock
10: OFF; turns the PLL off, MCLK is used as master clock
11: auto_inv; like automatic but with inverted clock
Table 75. DCDC15 Register
Name
Base
Default
DCDC15
2-wire serial
00h
Offset: 1Bh-1
DCDC15 Register
This is an extended register and needs to be enabled by writing 001b to Reg. 1Ch first.
This register is reset at a AVDD27-POR.
Bit
Bit Name
Default
Access
Bit Description
7
DIM_UP_XDOWN
0
R/W
0: disables the step-up converter and dims it down
1: enables the step-up converter and dims it up
6:5
DIM_RATE<1:0>
00
R/W
Selects the dimming speed when enabling or disablilng the
DCDC15
00: 0ms
01: 300ms
10: 600ms
11: 1200ms
4
VFB_ON
0
R/W
0: current feedback selected via ISINK1 and ISINK2
1: voltage feedback selected, ISINK1 is sinking 50uA to define
the voltage via an external zener diode
3
ExtDim_ON
0
R/W
0: selects internal clock for dimming
1: selects external clock for dimming
2:0
-
000
n/a
ams
AG
Technical
content
still
valid
相關(guān)PDF資料
PDF描述
ASM2I9940LG-32LT IC CLK BUFFER 2:18 250MHZ 32LQFP
ASM3P2780AF-06OR IC FREQ MOD 4X EMI REDUCT 6TSOP
AT42QT1011-MAH IC SENSR TOUCH/PROX 1CH 8-UDFN
AT42QT2161-MMU IC TOUCH SENSOR 16KEY 28QFN
B300W35A102E1G IC PROCESSOR AUDIO 24BIT WLCSP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS35490FLF 制造商:TT Electronics / IRC 功能描述:AS35490FLF
AS35490HLF 制造商:TT Electronics / IRC 功能描述:AS35490HLF
AS35490JLF 制造商:TT Electronics / IRC 功能描述:AS35490JLF
AS35491FLF 制造商:TT Electronics / IRC 功能描述:AS35491FLF
AS35491HLF 制造商:TT Electronics / IRC 功能描述:AS35491HLF