WM9715LGEFLV 参数 Datasheet PDF下载

Production Data

WM9715L

NAME

DBVDD

XTLIN

XTLOUT

DGND1

SDATAOUT

BITCLK

DGND2

SDATAIN

DCVDD

SYNC

RESETB

WIPER / AUX4

TPVDD

X+/BR

Y+/TR

X-/TL

Y-/BL

TPGND

PCBEEP

PHONE

MIC1

MIC2

LINEINL

LINEINR

AVDD

AGND

VREF

MICBIAS

COMP1 / AUX1

COMP2 / AUX2

BMON / AUX3

CAP2

MONOOUT

SPKGND

LOUT2

ROUT2

OUT3

SPKVDD

HPOUTL

HPGND

HPOUTR

AGND2

HPVDD

DNC

GENIRQ

PENDOWN

ADCIRQ

SPDIF_OUT

TYPE

Supply

Digital Input

Digital Output

Supply

Digital Input

Digital Output

Supply

Digital Output

Supply

Digital Input

Digital Input

Analogue Input

Supply

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Supply

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 In / Out

Analogue Output

Supply

Analogue Output

Analogue Output

Analogue Output

Supply

Analogue Output

Supply

Analogue Output

Supply

Supply

Do not connect

Digital In / Out

Digital Output

Digital In / Out

Digital In / Out

Digital I/O Buffer Supply

Clock Crystal Connection 1 / External Clock Input

Clock Crystal Connection 2

Digital Ground (return path for both DCVDD and DBVDD)

Serial Data Output from Controller / Input to WM9715L

Serial Interface Clock Output to Controller

Digital Ground (return path for both DCVDD and DBVDD)

Serial Data Input to Controller / Output from WM9715L

Digital Core Supply

Serial Interface Synchronisation Pulse from Controller

Reset (asynchronous, active Low, resets all registers to their default)

Top Sheet Connection for 5-wire Touchpanels / Auxiliary ADC Input

Touchpanel Driver Supply

Touchpanel Connection: X+ (Right) for 4-wire / bottom right for 5-wire

Touchpanel Connection: Y+ (Top) for 4-wire / top right for 5-wire

Touchpanel Connection: X- (Left) for 4-wire / top left for 5-wire

Touchpanel Connection: Y- (Bottom) for 4-wire / bottom left for 5-wire

Touchpanel Driver Ground

Line Input to analogue audio mixers, typically used for beeps

Phone Input (RX)

Left Microphone or Microphone 1 Input

Right Microphone or Microphone 2 Input

Left Line Input

Right Line Input

Analogue Supply (feeds audio DACs, ADCs, PGAs, mic boost,

mixers)

Analogue Ground

Internal Reference Voltage (buffered CAP2)

Bias Voltage for Microphones (buffered CAP2

×

1.8)

Comparator 1 (dead battery alarm) / Auxiliary ADC Input 1

Comparator 2 (low battery alarm) / Auxiliary ADC Input 2

Battery Monitor Input / Auxiliary ADC Input 3

Internal Reference Voltage (normally AVDD/2, if not overdriven)

Mono Output, intended for Phone TX signal

Speaker Ground (feeds output buffers on pins 35 and 36)

Left Output 2 (Speaker, Line or Headphone)

Right Output 2 (Speaker, Line or Headphone)

Analogue Output 3 (from AUXDAC or headphone pseudo-ground)

Speaker Supply (feeds output buffers on pins 35 and 36)

Headphone Left Output

Headphone Ground (feeds output buffers on pins 37, 39, 41)

Headphone Right Output

Analogue Ground, Chip Substrate

Headphone Supply (feeds output buffers on pins 37, 39, 41)

Leave this pin unconnected

General IRQ (Interrupt Request) Output

Indicates that screen is being touched

AUXADC “data ready” interrupt; also determines power up status.

(See “Power Management” and “Applications” sections)

SPDIF Digital Audio Output

DESCRIPTION

PIN DESCRIPTION

PIN

1

2

3

4

5

6

7

8

9

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

Note:

It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB.

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PD Rev 4.0 December 2007

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