參數(shù)資料
型號： KB9224
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： VIDEO-CD 2ND GENERATION
中文描述： 視頻-環(huán)糊精第二代
文件頁數(shù)： 4/55頁
文件大?。?/td> 450K
代理商： KB9224
VIDEO-CD 2ND GENERATION
KB9224
4
PIN DESCRIPTION
No.
Pin Name
I/O
Description
1
EQI
I
RF AGC & Eqaualize input pin
2
EQI2
I
RF AGC & Equalize input connect switch (controled by Flag)
3
RFI
I
EFM COMPARATOR input pin
4
ARF
O
RF AGC & EQ output pin.
5
ARF2
O
RF AGC & EQ output connect pin (controled by Falg)
6
CAGC
I
AGC_EQUALIZE LEVEL control pin, VCA input pin & NOISE eliminating CAP pin
7
GND
G
Ground (RF block)
8
MCP
I
Half-wave rectifier CAP pin for MIRROR output
9
DCB
I
DEFECT MAX DUTY limiting CAP pin
10
FRSH
I
FOCUS SEARCH generating & charge/discharge CAP pin
11
DCC1
O
DEFECT MIN DUTY generating DC eliminating CAP pin. (connected DCC1)
12
DCC2
I
DEFECT MIN DUTY generating DC eliminating CAP pin (connected DCC2)
13
FSET
I
FCOUS,TRACKING,SPINDLE PEAKING frequency compensation BIAS pin
14
VDDA
P
5V POWER pin for SERVO
15
ENBR
I
BIAS pin for ENVELOPE EFM-SLICE
16
ENC
I
RF ENVELOPE DC BIAS extract voltage input pin
17
ENVO
O
RF ENVELOPE output pin
18
ISET
I
FOCUS SERARCH,TRACKING JUMP, SLED KICK voltage generating BIAS pin
19
VREG
O
3.4 V REGULATOR output pin
20
WDCK
I
88.2KHz input pin from DSP
21
SMDP
I
SMDP input pin of DSP
22
SMON
I
SMON input pin of DSP
23
SMEF
I
External LPF time constant connection pin of CLV servo error signal
24
DEFECT
O
DEFECT output pin.
25
FLB
I
CAP pin for FOCUS LOOP rising low band
26
FS3
I
FOCUS LOOP’s high frequency gain adjustment pin
27
FGD
I
FOCUS LOOP’s high frequency gain adjustment pin
28
LOCK
I
SLED RUN AWAY preventing pin (L: Sled Off and Tracking Gain Up)
29
TRCNT
O
Track Count output pin
30
ISTAT
O
INTERNAL STATUS output pin
31
EFM
O
RFO SLICE EFM output pin (to DSP)
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