KB9224 Просмотр технического описания (PDF) - Samsung

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KB9224

VIDEO-CD 2ND GENERATION

Samsung 

VIDEO-CD 2ND GENERATION

KB9224

PIN DESCRIPTION

No. Pin Name

1

EQI

2

EQI2

3

RFI

4

ARF

5

ARF2

6

CAGC

7

GND

8

MCP

9

DCB

10 FRSH

11 DCC1

12 DCC2

13 FSET

14 VDDA

15 ENBR

16 ENC

17 ENVO

18 ISET

19 VREG

20 WDCK

21 SMDP

22 SMON

23 SMEF

24 DEFECT

25 FLB

26 FS3

27 FGD

28 LOCK

29 TRCNT

30 ISTAT

31 EFM

I/O

Description

I RF AGC & Eqaualize input pin

I RF AGC & Equalize input connect switch (controled by Flag)

I EFM COMPARATOR input pin

O RF AGC & EQ output pin.

O RF AGC & EQ output connect pin (controled by Falg)

I AGC_EQUALIZE LEVEL control pin, VCA input pin & NOISE eliminating CAP pin

G Ground (RF block)

I Half-wave rectifier CAP pin for MIRROR output

I DEFECT MAX DUTY limiting CAP pin

I FOCUS SEARCH generating & charge/discharge CAP pin

O DEFECT MIN DUTY generating DC eliminating CAP pin. (connected DCC1)

I DEFECT MIN DUTY generating DC eliminating CAP pin (connected DCC2)

I FCOUS,TRACKING,SPINDLE PEAKING frequency compensation BIAS pin

P 5V POWER pin for SERVO

I BIAS pin for ENVELOPE EFM-SLICE

I RF ENVELOPE DC BIAS extract voltage input pin

O RF ENVELOPE output pin

I FOCUS SERARCH,TRACKING JUMP, SLED KICK voltage generating BIAS pin

O 3.4 V REGULATOR output pin

I 88.2KHz input pin from DSP

I SMDP input pin of DSP

I SMON input pin of DSP

I External LPF time constant connection pin of CLV servo error signal

O DEFECT output pin.

I CAP pin for FOCUS LOOP rising low band

I FOCUS LOOPs’ high frequency gain adjustment pin

I FOCUS LOOPs’ high frequency gain adjustment pin

I SLED RUN AWAY preventing pin (L: Sled Off and Tracking Gain Up)

O Track Count output pin

O INTERNAL STATUS output pin

O RFO SLICE EFM output pin (to DSP)

4

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