at78c1503 ATMEL Corporation, at78c1503 Datasheet - Page 3

• Manufacturer Part Number: at78c1503
• Description: Dvd/cd Read Channel
• Manufacturer: ATMEL Corporation

Figure 2. AT78C1503 Block Diagram
2054A–DVD–07/02
AGCHLD
FO1-CD
FO2-CD
TR1-CD
TR2-CD
FO1P/N
FO2P/N
TR1P/N
TR2P/N
AGCLZ
RFP/N
REXT
10/
11
4/5
6/7
8/9
16
17
18
19
13
98
94
2/3
93
P
TP1
(RF Sequencer)
92
N
Control
VREF
VGA
VGA
VGA
VGA
VGA
D/SE
D/SE
D/SE
D/SE
91
P
TP2
90
N
TEST
RFGEN
Selectable
Selectable
Sum of
MUX
Sum of
Buffer
Buffer
93
P
TP3
`
`
`
`
`
`
Slow Arithmetic
and Normalization
Push/Pull
Tracking
Focus Error
Mirror Detector
Wobble Detector
Land-groove
Detector
82
DTR2
N
REG9 <4 0>
FCDAC
EQUALIZER
7th ORDER
85
CONTROL
P
FILTER/
CAGC
TP4
AGC
100
Difference
84
Sum of
N
DIFFERENTIAL
BST1 / BST2
DETECTOR
TRACKING
REG 8
51
REGISTER
SERREG
SERIAL
VGA
53
AUTO
INV
52
127
/
DVD/CD Read Channel
Voltage
MUX
Control
AGC
FOCUS OK
RESTORE
SYNTHESIZER
FREQUENCY
DC
CONTROL
TRACK OK
CROSS
TRACK
MODE
ZERO
DATA
PLL
MUX
58
70
69
68
67
66
65
64
63
62
01
09
48
47
28
44
45
46
27
49
50
29
59
41
77
40
FREF
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
RCLK
IDFIELD
RDSZ
TOK
TZC
TE
WOBBLE
ID12
ID34
FE
FOK
MIRROR
SLOWSUM
RFDROP
RG
WG
PD
3