WM9705SEFL/RV Wolfson Microelectronics, WM9705SEFL/RV Datasheet - Page 7

• Manufacturer Part Number: WM9705SEFL/RV
• Description: Audio CODECs STR AC'97 CODEC T/P Interface 48-pin
• Manufacturer: Wolfson Microelectronics

Specifications of WM9705SEFL/RV

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Conversion Rate: 48 KSPS
• Interface Type: AC97
• Resolution: 12 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN EP
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM9705
PIN DESCRIPTION
Note: It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB.
w
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
EAPD/BUSY
48 PIN QFN
SDATAOUT
MONOOUT
LINEOUTR
MASK/LRC
LINEOUTL
VREFOUT
SDATAIN
SPEN/I
AUXADC
HPOUTR
RESETB
PCBEEP
X+/AUXL
X-/AUXR
HPOUTL
PENDET
XTLOUT
LINEINR
Y+/VIDL
Y-/VIDR
LINEINL
BITCLK
PHONE
CDGND
HPGND
DGND1
DGND2
AGND1
PDRES
AGND2
DVDD1
DVDD2
AVDD1
AVDD2
CX3D1
CX3D2
BMON
SPDIF
XTLIN
SYNC
VREF
CAP2
MIC1
MIC2
CID0
CDR
CDL
2
S
48 PIN TQFP
EAPD/BUSY
SDATAOUT
MONOOUT
MASK/LRC
LINEOUTR
VREFOUT
LINEOUTL
SPEN/I
SDATAIN
HPOUTR
PCBEEP
X+/AUXL
AUXADC
PENDET
XTLOUT
RESETB
X-/AUXR
LINEINR
HPOUTL
Y+/VIDL
LINEINL
Y-/VIDR
CDGND
BITCLK
PHONE
HPGND
DVDD1
DGND1
DGND2
DVDD2
AGND1
PDRES
AGND2
AVDD1
AVDD2
CX3D1
CX3D2
BMON
SPDIF
XTLIN
SYNC
VREF
CAP2
MIC1
MIC2
CID0
CDR
CDL
2
S
Supply
Digital input
Digital output
Supply
Digital input
Digital output
Digital input
Supply
Digital output
Supply
Digital input
Digital input
Analogue input
Analogue input
Analogue I/O
Analogue I/O
Analogue I/O
Analogue I/O
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Supply
Supply
Analogue output
Analogue output
Analogue input
Analogue input
Analogue input
Analogue I/O
Analogue output
Analogue input
Analogue output
Analogue output
Analogue output
Supply
Analogue output
Supply
Analogue output
Supply
Digital bidir
Digital bidir
Digital input
Digital output
Digital output
Digital output
TYPE
Digital positive supply
Clock crystal connection or clock input (XTAL not used)
Clock crystal connection
Digital ground supply
Serial data input
Serial interface clock output to AC’97 controller
or input from AC'97 primary codec
Digital ground supply
Serial data output to AC’97 controller
Digital positive supply
Serial interface sync pulse from AC’97 controller
NOT reset input (active low, resets registers)
Mixer input, typically for PCBEEP signal (also input to AUX ADC)
PHONE input (also input to AUX ADC)
Pen X+ channel screen driver/input. (or AUXL mixer input)
Pen X- channel screen driver/input (or AUXR mixer input)
Pen Y+ channel screen driver/input (or VIDL mixer input)
Pen Y- channel screen driver/input (or VIDR mixer input)
Mixer input, typically for CD signal
CD input common mode reference (ground)
Mixer input, typically for CD signal
Mixer input with extra gain if required – also HSET detect input
Mixer input with extra gain if required
Mixer input, typically for LINE signal
Mixer input, typically for LINE signal
Analogue positive supply for screen drivers
Analogue ground supply for screen drivers
Internal reference (buffered CAP2)
Reference for microphones (buffered CAP2)
Pen Down Detect Pull-up external resistor connection
AUX signal input to digitiser ADC
Battery input to ADC
Reference input/output; pulls to midrail if not overdriven
Output pin for 3D difference signal
Input pin for 3D difference signal
Main analogue output for left channel
Main analogue output for right channel
Main mono output
Analogue positive supply
Left channel line level output (or headphone, or headset mic input)
Headphone ground supply
Right channel line level output (or headphone)
Analogue ground supply
MASK input signal to delay PEN conversions (or LRCLK output)
SPDIF hardware enable pin and I
Primary/Secondary ID select (internal pull-up) Hi = Primary
Pen Down Detection flag OR Headset detect output
External amplifier powerdown or BUSY output flag from Pen ADC
S/PDIF output
DESCRIPTION
2
S data output
PD Rev 4.5 July 2008
Production Data
7