Samsung SCR3232 Block Diagram

n CD-ROM Block diagram

SPINDLE CONTTROL

TRACKING CONTROL

FOUSING CONTROL

B.L SPINDLE MOTOR
BRUSH SLED MOTOR
OPTICAL PICKUP
DRIVING MECHANISM

SLED CONTROL

LASER CONTROL

RF SIGNAL

EJECT MECHANISM
COMPACT DISC
DISC TURN TABLE

CLAMPING PULLEY

DISC ACCESS INDICATOR

EJECT BUTTON

HEADPHONE OUTPUT

PLAY BUTTON

SLED SERVO ERROR

SPINDLE SERVO ERROR

TRACKING SERVO ERROR

FOCUSING SERVO ERROR

RF

SIGNAL

OSC

33.86MHz

CERAMIC OSC

25.4MHz

CERAMIC OSC

EFM DEMODULATOR

CIRC DECODER

TC9450F

RF AMP. & APC

TA2119FN

SPINDLE DRIVER

BA6849FP

ACTURATOR

DRIVER

SERVO SWITCHER

SUB CODE QCH

20MHz

CERAMIC

OSC

SPINDLE KICK/BRAKE

SLED DRIVER

LOAD/EJECT

DRIVER

KA3012D

CPU

KS88C4400

SUB CODE

DATA

DATA

CONTROL

CD-ROM DECODER

LAYERED ERROR

CORRECTION

SUB CODE DECODER

DATA CONTROL

TC9466FA

PROM

AT27C512R

CONTROLLER SECTION

MAIN PCB

DRIVE SECTION

AUDIO SECTION

DIGITAL

OUT

(OPTION)

AUDIO

OUTPUT

MASTER/

SLAVE

HOST

CONTROLLER

5/12V POWER

4PIN CNPIN CONNECTOR4PIN CN

HEADPHONE

AMPLIFIER

3414A

11 12

1424

n Main Components Block Diagram and Pin Descriptions

• KS88C4400 MICROCONTROLLER

P0.2/A1080P0.3/A1179P0.4/A1278P0.5/A1377P0.6/A1476P0.7/A15

75

VDD1(int.)

74

P1.0/AD073P1.1/AD172P1.2/AD271P1.3/AD370P1.4/AD469P1.5/AD568P1.6/AD667P1.7/AD7

66EA65

1

P0.1/A9

2

P0.0/A8

3

P5.7

4

P5.6

5

P5.5

6

P5.4

7

P5.3

8

P5.2

9

P5.1

10

P5.0

11

V

DD2(ext.)

12

P2.7/TB

13

P2.6/TA

14

PM

15

DR

16

P2.3/DM

17

P2.2/DW

18

P2.1/DS

19

P2.0/AS

20

PxD

21

TxD

22

PWM1

23

PWM0

24

P3.0/TCCK/INT0

252627282930313233343536373839

40

P3.1/TDCK/INT1

P3.2/TCG/INT2

P3.3/TDG/INT3

P3.4

P3.5

P3.6/CAP

P3.7/WAIT

VSS2(ext.)

P4.0/INT4

P4.1/INT5

P4.2/INT6

P4.3/INT7

P4.4/INT8

P4.5/INT9

P4.6/INT10

P4.7/INT11

64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41

RESET
NC
NC
V

SS1(int.)

X

OUT

XIN
P6.0
P6.1
P6.2
P6.3
P6.4
P6.5
P6.6
P6.7
P7.7/ADC7
P7.6/ADC6
P7.5/ADC5
P7.4/ADC4
P7.3/ADC3
AV

SS

P7.2/ADC2
P7.1/ADC1
AV

REF

P7.0/ADC0

KS88C4400

80-QFP

(TOP VIEW)

EXTERNAL ADDRESS/DATA BUS

P0.0-P0.7

(A8-A15)

P1.0-P1.7

(AD0-AD7) P2.0-P2.7

PORT A PORT AD PORT C

(AS, DS, DW, DM, DR, PM)

SAM8 BUS

RESET

EA

P2.6
P2.7

X

IN

XOUT

PORT2

MAIN

OSC

TA
TB

TCCK
TDCK

TCG
TDG

TIMERS

A and B

TIMERS
C and D

SERIAL

PORT

RxD

TxD

AV

SS

AVREF

A/D

CONVERTER

ADC0/P7.0-

ADC7/P7.7

SAM8 BUS

V

DD1(INTERNAL)

VSS1(INTERNAL)
VDD2(EXTERNAL)
VSS2(EXTERNAL)

PWM/

CAPTURE

MODULE

PWM0 PWM1

CAPTURE
(P3.6)

P6.0-P6.7

1040-BYTE

REGISTER FILE

16-KB ROM

SAM8 CPU

PORT I/O & INTERRUPT

CONTROL

PORT 3

PORT 4

PORT 5

PORT 6

P5.4-P5.7

P5.0-P5.3

P4.0-P4.7

P3.0-P3.7

4 4 4 4

4

4

25

MICOM PIN DESCRIPTIONS

PIN NAME FUNCTION PIN NAME FUNCTION

1 A9 ADDRESS LINE 41 TEST_P1 PRODUCTION TEST PIN 0
2 A8 ADDRESS LINE 42 AVref CVCC
3 /XCE MICOM INTERFACE CHIP ENABLE 43 TEST_P2 PRODUCTION TEST PIN 1
4 /XCM MICOM INTERFACE FIRST WORD ENABLE 44 TEST_P3 PRODUCTION TEST PIN2
5 /XRD MICOM INTERFACE READ SIGNAL 45 Avss GROUND
6 /XWR MICOM INTERFACE WRITE SIGNAL 46 NC NO CONNECTION
7 BUS3 MICOM INTERFACE DATA INPUT/OUTPUT SIGNAL 47 FVO NOT USE
8 BUS2 MICOM INTERFACE DATA INPUT/OUTPUT SIGNAL 48 UBL UNBALLACE DISC CHECK
9 BUS1 MICOM INTERFACE DATA INPUT/OUTPUT SIGNAL 49 /EJECT EJECT KEY INPUT
10 BUS0 MICOM INTERFACE DATA INPUT/OUTPUT SIGNAL 50 /PLAY PLAY KEY INPUT
11 VDD2 VCC 51 NC NO CONNECTION
12 NC NO CONNECTION 52 NC NO CONNECTION
13 NC NO CONNECTION CVCC 53 NC NO CONNECTION
14 /CE FLASH CHIP ENABLE 54 NC NO CONNECTION
15 /URO TC 9466 IC READ 55 XRST DSP RESET
16 /UCS TC 9466 IC CHIP SELECT 56 LED_BUSY BUSY LED
17 /UWR TC 9466 IC WRITE 57 EMPHA EMPHASIS CONTROL
18 NC NO CONNECTION 58 NC NO CONNECTION
19 CLK TC 9466 IC INTERRUPT 59 XIN RESONATOR CLOCK IN
20 NC NO CONNECTION 60 XOUT RESONATOR CLOCK OUT
21 NC NO CONNECTION 61 Vss1 GROUND
22 NC NO CONNECTION 62 NC NO CONNECTION
23 NC NO CONNECTION 63 NC NO CONNECTION
24 FLAGA TRACK ZERO CROSS CHECK 64 RESET MICOM RESET
25 FLAGC FOCUS OK CHECK 65 VCC VCC
26 GFS NOT USE 66 A7 ADDRESS LINE AND DATA PORT
27 SPM_DIR SPINDLE KICK/BRAKE 67 A6 ADDRESS LINE AND DATA PORT
28 NC NO CONNECTION 68 A5 ADDRESS LINE AND DATA PORT
29 DRV_MUTE KA3012 MUTE 69 A4 ADDRESS LINE AND DATA PORT
30 FG SPINDLE FG INPUT 70 A3 ADDRESS LINE AND DATA PORT
31 SPM_DIR SPM-DIR 71 A2 ADDRESS LINE AND DATA PORT
32 VSS GROUND 72 A1 ADDRESS LINE AND DATA PORT
33 NC NO CONNECTION 73 A0 ADDRESS LINE AND DATA PORT
34 D_INT ROM DECODER INTERRUPT 74 VDD VCC
35 CLOSE TRAY CLOSE SIGNAL 75 A15 ADDRESS LINE
36 OPEN TRAY OPEN SIGNAL 76 A14 ADDRESS LINE
37 NC NO CONNECTION 77 A13 ADDRESS LINE
38 MON SPINDLE MOTOR ON/OFF 78 A12 ADDRESS LINE
39 NC NO CONNECTION 79 A11 ADDRESS LINE
40 SCOR SUB CODE SYNC INTERRUPT 80 A10 ADDRESS LINE

1626

• TC9466F QFP PIN DIAGRAM

TOP VIEW

SBSY

SFSY

SBDI

CLCK
SBOK

C2PI

LRCK

DAI

BCKI

VSS

XI

XO

VDD
MD0

MD1
MD2

MD3
MD4

MD5
MD6

MD7
VSS
MA0

MA1
MA2

ASCK
ADA
DASP
VSS
HCS3
HCS1
HA2
HA0
PDIAG
HA1
VSS
IOCS16
INTRQ
HDAK
CSEL
VSS
IORDY
HRD

HWR
HDRQ
VSS
HD15
HD0
HD14

HD1

ACK

ALRCK

VSS

VDD

TEST3

TEST2

TB14

TB13

TB12

TB11

TB10

TB9

VPB

TB8

TB7

TB6

TB5

TB4

TB3

TB2

TBST1

TBST0

VSS

VDD

VDD

MA3

MA4

MA5

MRD

MWR

MCE

MINT

CKSTP

RST

VDD

HD7

HD8

HD6

HD9

VSS

HD5

HD10

HD4

HD11

VSS

HD3

HD12

HD2

HD13

VSS

75 74 73 72 71 70 696867 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

123 456789101112131415161718192021222324 25

76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100

50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26

4

4

32
16
8

16
16

16

8

16

32

8

8

8

6

3

8

13417

3

32

2

16

2

5

8

16 3 2 9

Buffer
DRAM 1Mbit

CD-Mecha

BCKI,LRCK
DAI,C2PI

SBDI,SBOK
SBSY,SFSY

CLCK

ACK

ABCK,ALRCK
ADA

Audio

ASYC

CD-IF

EDC

Da

C2P

HEDda

HSYC

BSYC

SUB-IF

SBDa

SBQDa

BD[15:0]

BWU,BWL

BOE

RAS,CAS

BA[8:0]

Buffer Address

ECC

M-FIFO

(8B)

H-FIFO

(32B)

DRIVER

H Interrupt

M Interrupt

(H-IF)

(M-IF)

Address

Clock

MICOM

CSEL

PDIAG,
DASP

IORDY
HDRQ
HDAK

IOCS16
HD[15:0]

HRD,HWR
HC33,HCS1

HA[2:0]
INTRQ

CKSTP

RST

GND

VDD

TEST[3:0]

TB[14:2]

MD[7:0]

MA[5:0]

MINT

MWR,MRD

MCE

DAC

XI XO

• TC9466F FUNCTIONAL BLOCK DIAGRAM