參數(shù)資料
型號： WM9712LEFV
廠商： Wolfson Microelectronics
元件分類： 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
文件頁數(shù)： 68/78頁
文件大?。?/td> 689K
代理商： WM9712LEFV
WM9712L
Register 3Ah
controls the SPDIF output.
REG
ADDR
15
V
3Ah
Production Data
w
PD Rev 4.0 December 2003
68
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
0
Validity bit; ‘0’ indicates frame valid, ‘1’ indicates frame not
valid
Indicates that the WM9712L does not support double rate
SPDIF output (read-only)
Indicates that the WM9712L only supports 48kHz
sampling on the SPDIF output (read-only)
Generation level; programmed as required by user
Category code; programmed as required by user
Pre-emphasis; ‘0’ indicates no pre-emphasis, ‘1’ indicates
50/15us pre-emphasis
Copyright; ‘0’ indicates copyright is not asserted, ‘1’
indicates copyright
Non-audio; ‘0’ indicates data is PCM, ‘1’ indicates non-
PCM format (e.g. DD or DTS)
Professional; ‘0’ indicates consumer, ‘1’ indicates
professional
14
DRS
0
13:12
SPSR
10
11
10:4
3
L
CC
PRE
0
0000000
0
2
COPY
0
1
AUDIB
0
0
PRO
0
Digital Audio
(SPDIF)
Output
Register 4Ch to 54h
control the GPIO pins and virtual GPIO signals.
REG
ADDR
4Ch
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
all 1 (all inputs)
except unused
bits
all 1
Controls GPIO configuration as inputs or as outputs (note:
virtual GPIOs can only be inputs)
4Eh
Controls GPIO polarity (actual polarity depends on register
4Ch AND register 4Eh)
Makes GPIO signals sticky
Enables wake-up for each GPIO signal
GPIO pin status (read from inputs, write ‘0’ to clear sticky bits)
50h
52h
54h
all 0 (not sticky)
all 0 (OFF)
= status of GPIO
inputs
15
14
13
12
11
10-6
5
4
3
2
1
Controls Comparator 1 signal (virtual GPIO)
Controls Comparator 2 signal (virtual GPIO)
Controls Pen-Down Detector signal (virtual GPIO)
Controls ADA signal (virtual GPIO)
Controls Thermal sensor signal (virtual GPIO)
Unused
Controls GPIO5 (pin 48)
Controls GPIO4 (pin 47)
Controls GPIO3 (pin 46)
Controls GPIO2 (pin 45)
Controls GPIO1 (pin 44)
please
refer to
the
register
map
GPIO and
Interrupt
Control
Register 56h
controls the use of GPIO pins for non-GPIO functions.
REG
ADDR
5
GE5
1 (GPIO)
4
GE4
1 (GPIO)
3
GE3
1 (GPIO)
2
GE2
1 (GPIO)
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Selects between GPIO5 and SPDIF_OUT function for pin 48
Selects between GPIO4 and ADA/MASK functionS for pin 47
Selects between GPIO3 and PENDOWN function for pin 46
Selects between GPIO2 and IRQ function for pin 45
56h
GPIO and
Interrupt
Control
相關(guān)PDF資料
PDF描述
WM9712LSEFL AC97 Audio and Touchpanel CODEC
WM9712LSEFT AC97 Audio and Touchpanel CODEC
WM9712LSEFV AC97 Audio and Touchpanel CODEC
WME128K8-XXX 128Kx8 CMOS MONOLITHIC EEPROM, SMD 5962-96796
WME128K8 128Kx8 CMOS Monolithic EEPROM(128Kx8 CMOS單片EEPROM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM9712LGEFL/RV 功能描述:接口—CODEC STR AC’97 CODEC TP 48-pin TQFP RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型: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
WM9712LGEFL/V 功能描述:接口—CODEC Stereo AC’97 CODEC T/P Interface RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型: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
WM9712LSEFL 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LSEFL/RV 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LSEFL/V 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
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