參數(shù)資料
型號(hào)： WM9712LSEFV
廠(chǎng)商： Wolfson Microelectronics
元件分類(lèi)： Codec
英文描述： AC97 Audio and Touchpanel CODEC
中文描述： AC97音頻編解碼器和觸摸屏
文件頁(yè)數(shù)： 70/78頁(yè)
文件大?。?/td> 689K
代理商： WM9712LSEFV
WM9712L
Register 64h
controls the input signal of the auxiliary DAC.
REG
ADDR
15
XSLE
64h
Production Data
w
PD Rev 4.0 December 2003
70
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
0
Selects input for AUXDAC. 0=from AUXDACVAL (for DC
signals), 1=from AC-Link slot (for AC signals)
Selects input slot for AUXDAC (with XSLE=1)
AUXDAC Digital Input for AUXDAC (with XSLE=0). 000h=
minimum, FFFh=full-scale
14:12
11:0
AUXDACSLT
AUXDACVAL
000 (Slot 5)
000000000
Auxiliary DAC
Registers 76h, 78h
and 7Ah
control the touchpanel interface.
REG
ADDR
15
POLL
14:12
ADCSEL
11
COO
10
CTC
9:8
CR
7:4
DEL
3
SLEN
2:0
SLT
15:14
PRP
78h
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
0
000 (none)
0 (OFF)
0 (polling)
00 (93.75Hz)
0000 (20.8
μ
s)
1
10
00
Writing “1” starts a measurement (this bit resets itself)
Selects measurement type
Enables co-ordinate mode
Enables continuous conversions
Controls conversion rate in continuous mode
Controls touchpanel settling time
Enables slot readback of touchpanel data
Selects time slot for readback of touchpanel data
Selects mode of operation. 00=OFF, 01=pen detect with
wake-up, 10=pen detect without wake-up, 11=running
Selects wake-up mode. 0=AC-Link only, 1=AC-Link and
WM9712L auto-wake-up
Selects 4-wire or 5-wire touchpanel
Selects when touchpanel measurements take place.
0=always, 1=only when pen is down
Controls data readback from register 7Ah. 0=overwrite old
data with new, 1=wait until old data has been read
Controls current used for pressure measurement. 1=400
μ
A
Controls MASK feature
Controls internal pull-up resistor for pen-down detection
Indicates pen status.
Indicates measurement type
Returns data from touchpanel / AUXADC
76h
13
RPR
0
12
11
45W
PDEN
0 (4-wire)
0 (always)
9
WAIT
0
8
7:6
5:0
15
14:12
11:0
PIL
MSK
RPU
PNDN
ADCSRC
ADCD
0 (200
μ
A)
00 (OFF)
000001 (64k
)
0 (pen up)
000 (none)
000h
7Ah
read
only
Touchpanel
Interface
Register 7Ch and 7Eh
are read-only registers that indicate to the driver that the codec is a WM9712L.
REG
ADDR
15:8
F7:0
57h
ASCII character “W” for Wolfson
7Ch
7:0
S7:0
4Dh
ASCII character “M”
15:8
T7:0
4Ch
ASCII character “L”
7Eh
7:0
REV7:0
12h
12 for WM9712L
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Intel’s AC’97
Component
Specification,
Revision 2.2,
page 50
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM9713 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:AC 97 AUDIO + TOUCHPANEL CODEC
WM9713-6123-FL48-M 功能描述:接口—CODEC WM9713EVM MINI EVAL RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM9713-6123-FL48-M-S 功能描述:接口—CODEC WM9713EVM FULL EVAL SYSTEM RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM9713CLGEFL/RV 功能描述:接口—CODEC Stereo AC’97 CODEC, T/P INTERFACE RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM9713CLGEFL/V 功能描述:接口—CODEC Stereo AC’97 CODEC, T/P INTERFACE RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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