TDA7522 datasheet(5/23 Pages) STMICROELECTRONICS

Part #	TDA7522

Description	Digital Servo & Decoder

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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TDA7522

33

TESTEN

I

Test enable signal (Active low)

34

SCK

I

IIC I/F clock signal

35

SDA

I/O

IIC I/F data

36

SCANEN

I

Scan enable (active high) or select DRAM outputs as TEST

outputs when TESTEN is inactive

37

KASEL

I/O

DAC polarity selection pin or ST7 GPIO PA0

38

KTEST

I/O

User test mode selection or ST7 GPIO PA1

39

KSEARCH

I/O

Gain change during search or ST7 GPIO PA3

40

MSTOP

I/O

interrupt request/stand-by pin or ST7 GPIO PC5

41

SLEDL

I/O

SLED limit switch or ST7 GPIO PC6

42

K_VER_HOR

I/O

Indication of vertical or horizontal operation

or ST7 GPIO PA4

43

WFCK

O

Write Frame clock for Subcode P-W output

44

EXCK

I

SBSO readout clock input

45

SBSO

O

Subcode P-W serial output

46

SCOR

O

Subcode sync output

47

DOUT

O

SPDIF Digital audio output

48

CS

I/O

ST7 GPIO PC4

49

SRQ

I/O

ST7 GPIO PC3

50

CORE_VDD_3

Vdd

Digital Power supply

51

CORE_VSS_3

Gnd

Digital Ground

52

DATAS

I/O

ST7 GPIO PC2

53

DATAM

I/O

ST7 GPIO PC1

54

CLK

I/O

ST7 GPIO PC0

55

DRS

I/O

Shock proof memory Read control

56

DWR

I/O

Shock proof memory Write control

57

CAS

I/O

Shock proof memory Column address select

58

RAS

I/O

Shock proof memory Row address select

59

DRA11

I/O

DRAM Address 11

60

DRA10

I/O

DRAM Address 10

61

DRA9

I/O

DRAM Address 9 or Mirror signal output

62

DRA8

I/O

DRAM Address 8 or TZC (Tracking Zero Cross) signal output

63

DRA7

I/O

DRAM Address 7 or FOK (Focus OK) signal output

64

DRA6

I/O

DRAM Address 6 or ST7 GPIO PB7 or PLLINF signal output

Pin Number

Name

Function

Description

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